A method and device for controlling brightness uniformity of optical fiber light source
By building a digital analog model and adjusting the parameters of the fiber light source in real time, the problem of changes in the output end of the fiber light source affecting the coupling performance is solved, and brightness uniformity and system stability are improved.
Patent Information
- Application Number
- CN202510014124.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2045-01-06
AI Technical Summary
In the prior art, the output end changes of each group of optical fiber units in the optical fiber light source will affect the optical fiber coupling performance, resulting in the impedance of optimal lighting effect.
By constructing a digital simulation model of light source and a target digital simulation model, analyzing the theoretical working parameters of the fiber light source, debugging the parameters of each group of fiber light source optical fiber units, collecting device conditions in real time, correcting model parameters, and optimizing the light source output to achieve uniform illumination.
The brightness uniformization of the fiber light source to the illumination target is achieved, the stability and accuracy of the system are improved, and it is suitable for application scenarios with high requirements for light source uniformity.
Smart Images

Figure CN119403024B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of optical fiber light source brightness control, and in particular to a method and device for controlling brightness uniformity of an optical fiber light source. Background Art
[0002] The fiber optic light source can be composed of one or more groups of fiber optic units. When the fiber optic light source is composed of multiple groups of fiber optic units, an output module can be set to control the position and orientation of the output ends of each group of fiber optic units, so that the light source illumination effect of each group of fiber optic units can be accurately controlled. This parallel illumination control method can enable the fiber optic light source to provide the most adaptable form of uniform brightness light source for illumination targets of any shape.
[0003] However, in this control method, as the output end of the optical fiber unit changes, the coupling optical fiber between the output end of the optical fiber unit and the excitation light source will produce a certain degree of deformation. This deformation poses a risk of affecting the optical fiber coupling performance. When the coupling performance of the optical fiber unit is affected by the deformation, the lighting effect of the optical fiber light source will not be optimal. Summary of the invention
[0004] The object of the present invention is to provide a method and device for controlling brightness uniformity of an optical fiber light source, aiming to solve the problem in the prior art that changes in the output ends of each group of optical fiber units in an optical fiber light source affect the optical fiber coupling performance.
[0005] The present invention is implemented in this way. In a first aspect, the present invention provides a brightness uniformity control method for an optical fiber light source, comprising:
[0006] Obtain device information of an optical fiber light source composed of a plurality of groups of optical fiber units, and digitally simulate the optical fiber light source according to the device information to obtain a corresponding digital simulation model of the light source; wherein the digital simulation model of the light source includes simulation models of each group of optical fiber units and an output module simulation model, the optical fiber unit simulation model is used to perform digital simulation feedback on the optical fiber unit, the optical fiber unit includes an excitation light source, a coupling optical fiber and an output end, the output module simulation model is used to perform digital simulation feedback on the output module in the optical fiber light source, and the output module is used to perform position control on the output end of each group of optical fiber units;
[0007] Acquire target information of the target to be illuminated by the optical fiber light source, and digitally simulate the target according to the target information to obtain a corresponding target digital simulation model; wherein the target digital simulation model includes an object simulation part and a light source positioning part, the object simulation part is used to digitally simulate the target body of the illuminated target, and the light source positioning part is used to digitally simulate the relative position relationship between the target body of the illuminated target and the optical fiber light source;
[0008] Performing parameter analysis on the irradiation operation of the optical fiber light source according to the target digital simulation model and the light source digital simulation model to obtain theoretical operating parameters of the optical fiber light source corresponding to the irradiation target; wherein the theoretical operating parameters include the luminescence parameters and coupling parameters of each group of optical fiber units, and the position and orientation of the output end of each group of optical fiber units controlled by the output module;
[0009] Debugging parameters of each group of optical fiber units in the optical fiber light source according to the theoretical working parameters to start the optical fiber light source to perform brightness uniformity illumination on the illumination target;
[0010] Real-time acquisition of device status of the optical fiber light source is performed to obtain parameter execution status characteristics of each group of optical fiber units in the optical fiber light source, and model parameter correction is performed on the digital simulation model of the light source according to the parameter execution status characteristics;
[0011] The illumination working parameters of the target digital simulation model are analyzed by using the digital simulation model of the light source after model parameter correction to obtain the working correction parameters of the optical fiber light source, and the parameters of the optical fiber light source are debugged according to the working correction parameters to optimize the brightness uniformity illumination work of the optical fiber light source on the illumination target.
[0012] In a second aspect, the present invention provides a brightness uniformity control device for an optical fiber light source, which is used to implement a brightness uniformity control method for an optical fiber light source as described in any one of the first aspects.
[0013] The present invention provides a method for controlling brightness uniformity of an optical fiber light source, which has the following beneficial effects:
[0014] The present invention constructs a light source digital simulation model and a target digital simulation model, combines and analyzes to obtain theoretical working parameters of the light source, adjusts each group of optical fiber units of the optical fiber light source according to the theoretical parameters, starts brightness uniformization irradiation, collects the operating conditions of each unit of the light source in real time, corrects the digital model and updates the parameters, optimizes the light source output, and realizes brightness uniformity of the light source to the target through precise digital simulation and real-time adjustment. The light source parameters are automatically adjusted by utilizing the model correction and feedback mechanism, and the system stability and accuracy are improved. The present invention is suitable for application scenarios such as medical treatment and laser processing that have high requirements for light source uniformity, and solves the problem in the prior art that changes in the output ends of each group of optical fiber units in the optical fiber light source affect the optical fiber coupling performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the steps of a brightness uniformity control method of an optical fiber light source provided by an embodiment of the present invention. DETAILED DESCRIPTION
[0016] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0017] The implementation of the present invention is described in detail below in conjunction with specific embodiments.
[0018] Reference Figure 1 As shown, a preferred embodiment of the present invention is provided.
[0019] In a first aspect, the present invention provides a method for controlling brightness uniformity of an optical fiber light source, comprising:
[0020] S1: Obtain device information of a fiber optic light source composed of multiple groups of fiber optic units, and digitally simulate the fiber optic light source according to the device information to obtain a corresponding digital simulation model of the light source; wherein the digital simulation model of the light source includes simulation models of each group of fiber optic units and an output module simulation model, the fiber optic unit simulation model is used to perform digital simulation feedback on the fiber optic unit, the fiber optic unit includes an excitation light source, a coupling fiber and an output end, the output module simulation model is used to perform digital simulation feedback on the output module in the fiber optic light source, and the output module is used to perform position control on the output end of each group of fiber optic units;
[0021] S2: Acquire target information of the target to be illuminated by the optical fiber light source, and digitally simulate the illuminated target according to the target information to obtain a corresponding target digital simulation model; wherein the target digital simulation model includes an object simulation part and a light source positioning part, the object simulation part is used to digitally simulate the target body of the illuminated target, and the light source positioning part is used to digitally simulate the relative position relationship between the target body of the illuminated target and the optical fiber light source;
[0022] S3: Analyze the parameters of the optical fiber light source for irradiation according to the target digital simulation model and the light source digital simulation model to obtain theoretical working parameters of the optical fiber light source corresponding to the irradiation target; wherein the theoretical working parameters include the luminescence parameters and coupling parameters of each group of optical fiber units, and the position and orientation of the output end of each group of optical fiber units controlled by the output module;
[0023] S4: Debugging parameters of each group of optical fiber units in the optical fiber light source according to the theoretical working parameters, so as to start the optical fiber light source to perform brightness uniformity illumination on the illumination target;
[0024] S5: collecting device conditions of the optical fiber light source in real time, obtaining parameter execution status characteristics of each group of optical fiber units in the optical fiber light source, and modifying model parameters of the digital simulation model of the light source according to the parameter execution status characteristics;
[0025] S6: Analyze the illumination working parameters of the target digital simulation model using the digital simulation model of the light source after model parameter correction to obtain the working correction parameters of the optical fiber light source, and perform parameter debugging on the optical fiber light source according to the working correction parameters to optimize the brightness uniformity illumination work of the optical fiber light source on the illumination target.
[0026] Specifically, in step S1 of the embodiment provided by the present invention, the control method provided by the present invention is applied to a fiber optic light source composed of multiple groups of fiber optic units. One group of fiber optic units includes an excitation light source, a coupling fiber, and an output end. The excitation light source generates an initial light source, which is transmitted to the output end for light output through fiber coupling of the coupling fiber. The output ends of each group of fiber optic units are jointly arranged on an output module, and the output module controls the position and orientation of the output end, thereby realizing the control of the fiber optic output direction of each group of fiber optic units. Through the parallel operation of multiple groups of fiber optic units, precise lighting control of a specified area can be achieved, so that the specified area is covered by uniform brightness.
[0027] It should be noted that when the output module changes the position and orientation of the output end of each group of optical fiber units, the coupling optical fiber connecting the excitation light source and the output end in each group of optical fiber units will undergo corresponding morphological changes, and the morphological changes of the coupling optical fiber will have a certain impact on the light coupling ability, thereby causing the overall illumination effect of the optical fiber light source to deviate from the expected effect. In order to detect the specific impact of the deformation and deduce the correction method based on the impact of the deformation, a correction solution can be obtained by digitally simulating and calculating the solution of the optical fiber light source.
[0028] Specifically, detailed information is collected for each group of optical fiber units (including excitation light source, coupling optical fiber, and output end), mainly including the optical properties (such as power, wavelength, beam quality, etc.), geometric parameters (such as optical fiber length, coupling efficiency, etc.), and operating status (such as temperature, operating frequency, etc.) of each unit; information on the output module is collected, especially its ability to control the position and orientation of the output ends of each group of optical fiber units, taking into account factors such as deflection angle and displacement range.
[0029] More specifically, based on the collected device information, a digital simulation model is established for each part of the fiber optic light source. The digital simulation model of the light source includes: a fiber optic unit simulation model: used to simulate the working state and interaction of the excitation light source, the coupling fiber optic and the output end; an output module simulation model: used to simulate how the output module controls the output end position and direction of each group of fiber optic units, and how to achieve the positioning and adjustment of the fiber optic light source.
[0030] It can be understood that by obtaining detailed device information and constructing a high-precision digital simulation model of the fiber optic light source, it is ensured that the simulation process truly reflects the working principle of the fiber optic light source. The overall working state of the fiber optic light source can be simulated, including the control of the light source itself and the output module over the optical fiber unit, which helps to optimize the performance and illumination effect of the light source.
[0031] More specifically, firstly, the simulation model of the excitation light source is tested, and the characteristics of the excitation light source, such as the emission wavelength, power output, beam shape, etc., are simulated to consider whether it meets the design requirements, such as the working efficiency and stability of the laser diode or other excitation light sources; the transmission model of the coupled optical fiber is established to simulate the loss, refractive index, coupling efficiency, transmission delay and other characteristics of the optical fiber; the model of the output end is established to simulate the radiation characteristics of the output end (such as the optical fiber end face) of the optical fiber light source, and the optical fiber light emission mode and beam scattering are evaluated. In particular, the docking efficiency of the output beam of the optical fiber with the target is considered, and the light emission and transmission process of each optical fiber unit is simulated, so that the performance of the optical fiber light source can be accurately displayed in the digital model. By simulating the working state of each optical fiber unit in detail, it is helpful to discover potential problems in the system (such as low coupling efficiency, excessive light loss, etc.) and optimize the design.
[0032] More specifically, a digital simulation model of the output module is established to simulate how to adjust the illumination direction of the light source by controlling the output end position and orientation of each group of optical fiber units, and how to simulate how the output module can achieve precise light source position adjustment, such as adjusting the positioning and direction control of the output end of the optical fiber unit to the illumination target.
[0033] It can be understood that by digitally simulating the output module, the illumination effect of the fiber optic light source can be accurately predicted, the illumination accuracy of the light source can be optimized, multiple fiber optic units can be controlled to adjust simultaneously, the beam pattern and radiation direction of the overall light source can be optimized, and the best illumination effect can be ensured in different application scenarios.
[0034] Specifically, in step S2 of the embodiment provided by the present invention, the geometric information (such as size, shape, surface structure, etc.) and physical properties (such as reflectivity, absorption characteristics, surface roughness, etc.) of the irradiated target are collected. These characteristics affect the reflection, absorption and scattering behavior after the light source is irradiated, and the information of the target material is obtained, including its optical properties (such as refractive index, absorption coefficient, scattering coefficient, etc.). These parameters determine how the light interacts with the target after it is irradiated to the target surface. If the target surface has a specific texture or microstructure (such as an uneven, mirrored or scattering surface), it is necessary to accurately model the impact of these characteristics on the irradiation of the light source. By obtaining detailed information about the target, accurate basic data is provided for subsequent digital simulation of the target, so that the simulation results can truly reflect the interaction between the target and the light source. By analyzing the geometric and physical properties of the target in detail, it can provide strong support for the effects of light absorption, reflection and scattering during the irradiation process, ensuring the reliability and accuracy of the simulation results.
[0035] More specifically, in the target digital simulation model, the object simulation part is first established, and a detailed digital simulation is performed on the body of the irradiated target, including: geometric modeling: constructing a geometric model based on the shape, size and surface features (such as smooth, rough, etc.) of the target; optical property modeling: simulating the optical properties of the target material, such as reflection, refraction, absorption and scattering of light, especially how the surface texture affects the scattering of light; modeling of the interaction between light and target: simulating the transmission and reflection process after the light source is irradiated on the target surface, and evaluating the behavior of light of different angles and wavelengths on the target surface.
[0036] More specifically, in the target digital simulation model, a light source positioning part is established to simulate the relative position relationship between the light source and the target, including: the relationship between the light source position and the target position: through digital simulation of the relative position between the light source and the target (such as the distance between the light source and the target surface, the incident angle, the relative orientation, etc.), and how these factors affect the effect of light irradiation, the influence of light source adjustment: simulate the influence of light source adjustment (such as the output end position of the optical fiber light source, angle change, etc.) on the target irradiation effect. Through the object simulation part, the physical properties and optical characteristics of the target can be accurately reproduced to ensure that the simulation results can reflect the actual situation of the interaction between light and target. Through the digital simulation of the light source positioning part, the irradiation effect of the light source on the target at different positions and angles can be accurately predicted, thereby ensuring the accuracy and efficiency of lighting.
[0037] More specifically, the optical behavior of the irradiated target is simulated, including: Reflection and absorption simulation: Based on the optical properties of the target (such as reflectivity and absorptivity), the reflection, scattering and absorption phenomena that occur on the target surface after the light is irradiated to the target are simulated. Light propagation and distribution: Simulate the process of light irradiating from the output end of the fiber light source to the target, predict the scattering and absorption of light and its impact on the brightness of the target. Target surface effect simulation: If the target surface has special textures or microstructures, simulate the impact of these structures on the light propagation path. For example, a rough surface will lead to increased scattering of light, while a smooth surface is mainly specular reflection.
[0038] It can be understood that by simulating the reflection and absorption characteristics of the target, the distribution of light energy irradiating the target surface can be understood, providing data support for subsequent optimization of lighting effects, and being able to accurately predict the distribution of light on the target surface, avoiding problems such as uneven illumination or energy loss, and ensuring the realization of design goals.
[0039] More specifically, simulate the influence of light source positioning on the illumination effect: adjust the simulation parameters according to the relative relationship between the position of the light source and the target, simulate the effect of the light source illuminating the target at different positions and angles, evaluate the influence of different light source positioning methods on the illumination effect, and optimize the illumination effect of the target by adjusting the light source: optimize the relative position between the light source and the target by simulating the position and angle adjustment of the light source output end to ensure the uniformity and accuracy of the illumination; by accurately simulating the relative position relationship between the light source and the target, the illumination path and distribution of the light source can be optimized to improve the uniformity and effect of the illumination.
[0040] Specifically, in step S3 of the embodiment provided by the present invention, based on the target digital simulation model and the light source digital simulation model, an interaction model between the light source and the target is established to simulate how the light emitted by each unit of the optical fiber light source irradiates the target surface, and factors such as the incident angle of light, the surface reflection characteristics of the target, and the light beam focusing and distribution of the light source are considered. The coupling efficiency between the light output of each group of optical fiber units and the target surface is analyzed, and the loss of light energy transmission and the light absorption, reflection, scattering and other behaviors of the target are evaluated. The propagation and reflection of light on the target surface are simulated according to the optical properties of the target (such as reflectivity, absorption rate, scattering rate, etc.), and the optical response of the target after irradiation with the light source (such as brightness distribution, thermal effect, spot size, etc.) is further derived.
[0041] More specifically, according to the digital simulation model of the fiber optic light source, the luminous intensity, wavelength distribution, beam divergence angle and other luminous parameters of each fiber optic unit are calculated. These parameters are the key factors in controlling the output of the fiber optic light source and can affect the illumination effect of the target. According to the relative position between the fiber optic unit and the target, the coupling efficiency between the output end of the light source and the target is analyzed, and the arrangement and positioning of the fiber optic unit are further optimized. This process needs to consider the relative angle of the fiber optic unit, the coupling mode of the fiber optic and the mutual interference between the fibers. By analyzing the response of the target, the position and orientation of the output end of the light source are further adjusted. According to the simulation results, the positioning and adjustment mechanism of the fiber optic light source can be optimized to ensure the maximum illumination effect. For example, the position, orientation or focusing mode of the fiber optic unit is adjusted to make the illumination target surface uniform and efficient. Based on the light source luminescence and coupling parameters, the control system of the light source is optimized, and the output position, angle, power, etc. of the fiber optic unit are adjusted to ensure that the final illumination effect reaches the best state. For different optical properties of the target surface, the output parameters of the fiber optic light source can be adjusted according to the reflection, absorption and scattering simulation results to make the illumination distribution more uniform and the energy concentrated.
[0042] It can be understood that by accurately calculating the luminous parameters and coupling parameters of the light source, it is possible to ensure that each optical fiber unit of the light source performs at its best and maximize the light energy transmission efficiency between the light source and the target. By calculating and optimizing the luminous and coupling parameters of each group of optical fiber units, the output end position and orientation of the light source can be adjusted in real time to ensure that the optical fiber light source achieves the ideal illumination effect on the target. By controlling the coupling efficiency and output parameters between the optical fiber units, high-precision and high-efficiency illumination of the target can be achieved, reducing light energy loss and improving the energy efficiency of the overall system.
[0043] Specifically, in step S4 of the embodiment provided by the present invention, the output power of each group of optical fiber units is adjusted according to the theoretical working parameters. Different areas have different lighting requirements, so it is necessary to adjust the output power of each group of optical fiber units according to the brightness distribution requirements of the target, and adjust the light-emitting angle and direction of the optical fiber units: to ensure that the light source can evenly cover the target surface, it is necessary to adjust the light-emitting angle and direction of each group of optical fiber units according to the shape and optical properties of the target. For example, when the target surface is uneven, some optical fiber units may need to adjust the angle to adapt to different surface characteristics, and optimize the arrangement and coupling mode between optical fiber units: while adjusting the light-emitting power and angle, it is necessary to optimize the relative position and coupling mode between optical fiber units. The optimized arrangement of optical fiber units can reduce the overlap and blank area of light energy, ensure that the light energy is evenly distributed on the target surface, and adjust the focusing or diffusion mode of the optical fiber units: according to the size and shape of the target irradiation area, adjust the light beam focusing or diffusion characteristics of the optical fiber units. For example, for a larger target area, it may be necessary to appropriately expand the light beam to ensure the irradiation range; for a small target area, it may be necessary to focus the light beam to increase the light intensity.
[0044] It can be understood that by finely adjusting the output power, angle and position of each group of optical fiber units, it can be ensured that the light source output can match the brightness requirements of the target, avoiding areas where the light source is too strong or too weak. The debugged light source can form a uniform light intensity distribution on the target surface, ensuring that the brightness of the entire irradiated area is consistent, and there will be no local overexposure or dimness. By optimizing the arrangement, power and coupling method of the optical fiber units, energy waste and unnecessary light overlap are reduced.
[0045] More specifically, after adjusting the parameters of each group of units of the fiber optic light source, it is necessary to measure the actual distance between the light source and the target and perform fine calibration according to the size and shape of the target surface. If the distance is too close or too far, the lighting effect may be uneven. According to the simulation results, the relative position of the fiber optic light source and the target is determined to ensure that the layout of the light source in space can evenly illuminate the target surface. Fine-tune the spatial layout of the light source to achieve the best illumination effect. In addition to the position and distance, the orientation of the light source (i.e., the emitting angle of the fiber optic unit) also needs to be fine-tuned to ensure that the light energy of all fiber optic units is transmitted to the target surface to the maximum extent possible to avoid "dead angle" areas.
[0046] Specifically, in step S5 of the embodiment provided by the present invention, necessary sensors (such as optical power sensors, temperature sensors, current and voltage sensors, etc.) are installed in the optical fiber light source system to monitor the operating status of the optical fiber unit in real time. These sensors are used to detect parameters such as power output, electrical performance, temperature, and working stability of each group of optical fiber units. The actual operating data of the optical fiber unit is collected by the sensor to monitor its key parameters such as output power, current, voltage, temperature, and operating frequency. At the same time, the optical sensor is used to measure the light intensity distribution and beam direction of the optical fiber unit to obtain detailed lighting conditions. The real-time collected data is transmitted to the central processing unit or computer system through the data acquisition system for further analysis and processing. Low latency and high precision should be guaranteed during data transmission to ensure the timeliness and accuracy of the data, analyze the collected data, and evaluate the execution status of each group of optical fiber units in actual operation. For example, analyze the deviation of power output from the expected target, the impact of temperature changes on performance, and the imbalance of work between optical fiber units.
[0047] More specifically, the real-time collected working parameters of the fiber unit are compared with the predicted results of the digital simulation model. The differences between the two are analyzed, focusing on the deviations of key parameters such as light intensity, power distribution, and beam direction. The parameters of the simulation model are corrected based on the actual data collected.
[0048] It should be noted that the output module controls the position and orientation of the output end of the optical fiber unit, and the coupling optical fiber connecting the excitation light source and the output end in each group of optical fiber units will undergo corresponding morphological changes, and the morphological changes of the coupling optical fiber will have a certain impact on the light coupling ability, thereby causing the overall output illumination effect of the optical fiber light source to deviate from the expected effect. Based on this deviation, the actual effect when the output module controls the output end of the optical fiber unit to be in other positions and orientations can be deduced, and then the actual optimal working parameters of the optical fiber unit can be deduced. Based on this, the digital simulation model is corrected. The corrected digital simulation model can recalculate the working effect of the light source and simulate the performance of the light source under different working conditions. After the model is corrected, it should be re-verified to ensure that the new model can accurately reflect the working conditions of the actual system.
[0049] Specifically, in step S6 of the embodiment provided by the present invention, the illumination working parameter analysis of the target digital simulation model is performed through the digital simulation model of the light source after the model parameters are corrected, the working correction parameters of the optical fiber light source are obtained, and the parameters of the optical fiber light source are debugged according to the working correction parameters to optimize the brightness uniformity illumination work of the optical fiber light source on the illumination target.
[0050] It can be understood that the target digital simulation model of the model correction meeting takes into account the actual effects of the optical fiber in other states according to the actual deformation of the optical fiber, and then derives the working correction parameters of the optical fiber light source. The optical fiber light source is parameter-adjusted according to the working correction parameters to optimize the brightness uniformity of the optical fiber light source on the irradiated target.
[0051] The present invention provides a method for controlling brightness uniformity of an optical fiber light source, which has the following beneficial effects:
[0052] The present invention constructs a light source digital simulation model and a target digital simulation model, combines and analyzes to obtain theoretical working parameters of the light source, adjusts each group of optical fiber units of the optical fiber light source according to the theoretical parameters, starts brightness uniformization irradiation, collects the operating conditions of each unit of the light source in real time, corrects the digital model and updates the parameters, optimizes the light source output, and realizes brightness uniformity of the light source to the target through precise digital simulation and real-time adjustment. The light source parameters are automatically adjusted by utilizing the model correction and feedback mechanism, and the system stability and accuracy are improved. The present invention is suitable for application scenarios such as medical treatment and laser processing that have high requirements for light source uniformity, and solves the problem in the prior art that changes in the output ends of each group of optical fiber units in the optical fiber light source affect the optical fiber coupling performance.
[0053] Preferably, the steps of obtaining device information of a fiber optic light source composed of a plurality of groups of fiber optic units, and digitally simulating the fiber optic light source according to the device information to obtain a corresponding light source digital simulation model include:
[0054] S11: Acquire device information of a fiber optic light source composed of a plurality of fiber optic units; wherein the device information includes performance information of each fiber optic unit group and performance information of an output module for positionally controlling an output end of each fiber optic unit group;
[0055] S12: performing digital simulation processing on each group of optical fiber units according to the performance information of each group of optical fiber units in the device information, so as to obtain an optical fiber unit simulation model corresponding to each group of optical fiber units;
[0056] S13: performing digital simulation processing on the output module according to the performance information of the output module in the device information, so as to obtain an output module simulation model corresponding to the output module;
[0057] S14: Combining the simulation models of each optical fiber unit with the simulation model of the output module to obtain a digital simulation model of the light source.
[0058] Specifically, the performance information of each group of optical fiber units in the optical fiber light source is obtained, including but not limited to the optical properties (such as light intensity, wavelength, attenuation coefficient, etc.), electrical properties (such as driving current, voltage) and temperature response of the optical fiber units.
[0059] More specifically, the output module of the fiber optic light source is responsible for position control of the output end of each group of fiber units, so the performance information of the output module is very critical. This information may include the positioning accuracy, response time, driving voltage and current, operating frequency, control method, etc. of the output module. Obtaining this data usually involves sensors, control system feedback, and specific specifications of the output module.
[0060] It can be understood that by collecting detailed performance information of the optical fiber unit and the output module, the working status of each component in the optical fiber light source can be fully understood, providing accurate input data for subsequent digital simulation.
[0061] More specifically, based on the performance information of the optical fiber units, a separate digital simulation is performed on each group of optical fiber units. This process includes simulating the optical behavior (such as light intensity, beam distribution, etc.), electrical behavior (such as current and voltage response) and possible nonlinear effects (such as the effect of temperature changes on optical fiber transmission characteristics) of the optical fiber units. This process can be performed using optical simulation software (such as COMSOL, Lumerical, etc.) or custom numerical calculation methods. When simulating, the mutual influence between optical fiber units, such as beam interference and scattering, must be considered.
[0062] It can be understood that through detailed simulation of each fiber unit, its behavioral characteristics under various working conditions can be accurately captured, providing a basis for the subsequent overall model. Simulating each fiber unit separately can help identify the mutual interference and influence between units, and then adjust the design or optimization.
[0063] More specifically, the performance information of the output module is obtained and used to digitally simulate the output module and simulate its working behavior when controlling the output end of the fiber unit. This step focuses on the control method of the output module (such as stepper motor, servo motor or other positioning system) and the interaction with the fiber unit. When simulating the output module, its response time, control accuracy, error range, and control algorithm need to be considered. The simulation results of the output module will describe the positioning, focusing and other capabilities of the fiber optic light source in actual operation.
[0064] It can be understood that the control accuracy of the output module and its influence on the position control of the optical fiber unit can be accurately reflected, providing guarantee for the stability and reliability of the overall system. By simulating the output module, it can be ensured that potential control errors or response delays are discovered in the design stage, avoiding the problem of inaccurate positioning in actual applications.
[0065] More specifically, the fiber unit simulation model and output module simulation model obtained separately are combined to form a complete digital simulation model of the light source. The model should be able to simulate the behavior of the entire fiber light source, including the output of the fiber unit, the light intensity distribution, the beam direction, and the control accuracy of the output module. When combining, the coupling effect between the fiber unit and the output module needs to be considered, that is, how the control of the output module on the fiber unit affects the overall performance of the light source. The model can be combined and calculated through numerical simulation tools (such as MATLAB, ANSYS, COMSOL, etc.).
[0066] It can be understood that by combining the simulation models of various components, the final digital simulation model of the light source can accurately reflect the working state of the entire system and simulate the output characteristics, power distribution, beam stability, etc. of the light source.
[0067] Preferably, the step of acquiring target information of the irradiation target of the optical fiber light source and digitally simulating the irradiation target according to the target information to obtain a corresponding target digital simulation model comprises:
[0068] S21: Acquire target information of the target irradiated by the optical fiber light source; wherein the target information includes target image information and target position information of the irradiated target;
[0069] S22: performing digital simulation of the target body of the irradiated target according to the target image information to obtain an object simulation part of the target digital simulation model;
[0070] S23: performing a model expression of the positioning relationship of the object simulation part of the target digital simulation model relative to the light source according to the target position information, so as to obtain a light source positioning part based on the object simulation part; wherein the light source positioning part is used to perform digital simulation feedback on the relative position relationship between the object simulation part and the optical fiber light source;
[0071] S24: The object simulation part and the light source positioning part jointly construct the target digital simulation model.
[0072] Specifically, obtaining target information of the irradiated target mainly includes two aspects: Target image information: This refers to the geometric shape, surface structure, and optical properties (such as reflectivity, absorption coefficient, scattering characteristics, etc.) of the irradiated target. Target image information can be obtained through image processing, 3D scanning, CAD models, or sensors. Target position information: This includes the position, posture (angle, direction), and motion state of the target in space, which is usually obtained through a positioning system (such as GPS, lidar, or visual tracking). The target position determines the relative relationship between the irradiated target and the light source.
[0073] It can be understood that by fully acquiring the target's image and position information, the target's behavior and response under the illumination of the light source can be accurately described, providing sufficient information support for digital simulation. The accuracy of the target information directly affects the results of the digital simulation. Acquiring precise target data can ensure that the simulation reflects the real situation.
[0074] More specifically, the target is digitally simulated based on its image information (such as geometric shape, surface characteristics, etc.) to construct a three-dimensional model of the target. The target is discretized and divided into multiple small units (such as polyhedrons, voxels, etc.), each of which has its own specific physical properties. During the simulation process, the optical properties of the target (such as reflection, absorption, transmission, etc.) need to be considered, and the roughness, refractive index, scattering characteristics, etc. of its surface may also need to be considered. Use computer-aided design (CAD) software or physical simulation tools (such as ANSYS, COMSOL, etc.) to generate a digital simulation model of the target.
[0075] It is understandable that by accurately modeling the target image information, the real physical characteristics of the target can be obtained, ensuring that the reflection, absorption and other behaviors of the target in the simulation process are consistent with the actual ones. The digital simulation of the target body provides an accurate geometric and optical basis for the subsequent simulation of the light source illumination effect.
[0076] More specifically, the acquired target position information is used to define the relative position relationship between the target and the fiber optic light source. This process includes: Relative position modeling: describing the distance, orientation, angle, etc. of the target relative to the fiber optic light source. Information such as the irradiation angle and irradiation distance of the light source and the orientation of the target need to be accurately input into the model. Dynamic positioning adjustment (if there is movement): If the target is dynamic, it may be necessary to track it in time and update the position information of the target to ensure that the motion state of the target is reflected in the simulation. This step can be accomplished by establishing a coordinate system transformation relationship between the light source and the target. For example, the target position in the light source coordinate system can be modeled through mathematical transformations such as rotation and translation.
[0077] It is understandable that by accurately modeling the relative position relationship between the target and the light source, the response of the target to the light source at different positions can be simulated. If the target moves, dynamic tracking of the target position can ensure the real-time performance of the simulation process and avoid simulation errors caused by the lag of target position information.
[0078] More specifically, the relative position relationship between the target and the light source is input into the simulation system through the established target positioning model. The system needs to calculate the illumination effect of the light source on the target when the target is in this position. For example, the intensity of the light source irradiating the target, the illumination distribution, the propagation path of the reflected light, etc. In addition, the direction and intensity of the reflected light on the target surface can also be calculated to further optimize the illumination process. The simulation feedback system can adjust the illumination strategy of the light source in real time based on the changes in the target position and the light source position, such as adjusting the light source direction, beam focus, etc.
[0079] More specifically, the simulation part of the target body and the light source positioning part are combined to construct a complete digital simulation model of the target. Specifically: the target body simulation part is responsible for representing the geometric shape and optical properties of the target; the light source positioning part is responsible for describing the relative position relationship between the target and the light source. In the digital simulation process, the combination of the two can fully reflect the interaction and illumination effect between the light source and the target. This process can be completed through numerical simulation tools (such as MATLAB, COMSOL, Zemax, etc.).
[0080] It can be understood that by integrating the physical model and relative position model of the target, a complete digital simulation model of the target can be finally obtained, which can accurately simulate the target's response to light source illumination, such as reflected light intensity, beam distribution, etc. The complete digital simulation model of the target provides reliable data support for the design, optimization and verification of fiber optic light source illumination targets, and can help designers evaluate the impact of different design schemes on the illumination effect.
[0081] Preferably, the step of performing parameter analysis on the optical fiber light source for irradiation operation according to the target digital simulation model and the light source digital simulation model to obtain theoretical operating parameters of the optical fiber light source corresponding to the irradiation target includes:
[0082] S31: combining the object simulation part of the target digital simulation model with the light source digital simulation model according to the light source positioning part in the target digital simulation model to obtain a parameter analysis model;
[0083] S32: Acquire the light source requirement characteristics of the illumination target, substitute the light source requirement characteristics into the parameter analysis model, and make the parameter analysis model perform reverse analysis processing according to the light source requirement characteristics to obtain several parameter schemes of the parameter analysis model corresponding to the light source requirement characteristics; wherein the light source requirement characteristics are used to describe the light source illumination effect provided by the optical fiber light source required by the illumination target;
[0084] S33: Analyze the execution success rate of each parameter solution according to the parameter analysis model to obtain the expected success rate of each parameter solution;
[0085] S34: Optimize each parameter scheme according to the expected success rate of the parameter scheme, and return each optimized parameter scheme to the step of sharing the execution success rate of each parameter scheme according to the parameter analysis model, and optimize each parameter scheme in a loop to obtain the parameter scheme with the best execution success rate, and generate theoretical working parameters of the fiber optic light source corresponding to the irradiation target according to the parameter scheme; wherein the theoretical working parameters include theoretical working parameters of each group of fiber optic units and theoretical working parameters of the output module, the theoretical working parameters of the fiber optic unit are used to drive the fiber optic unit to perform light source excitation and fiber coupling, and the theoretical working parameters of the output module are used to drive the output module to control the position and orientation of the output end of each fiber optic unit.
[0086] Specifically, according to the light source positioning part in the target digital simulation model, the object simulation part of the target digital simulation model is combined with the light source digital simulation model. The combined model can describe the relative relationship between the light source and the target, the illumination range of the light source, the response of the target, etc. In this process, the light source positioning part of the target model provides the position and posture information of the target relative to the light source, while the light source digital simulation model provides the geometric shape, illumination method, light intensity distribution, etc. of the light source. Through the integration of the models, a comprehensive parameter analysis model can be constructed, which can simulate the interaction behavior between the light source and the target.
[0087] It can be understood that by combining the digital simulation model of the target with the light source, a complete model that includes the light source illumination behavior and the target response can be obtained, providing a solid foundation for subsequent parameter analysis. The model integrates the target's image features, position and the illumination characteristics of the light source, which can better simulate the actual illumination effect and thus improve the accuracy of parameter analysis.
[0088] More specifically, the light source requirement characteristics of the irradiated target are obtained, and these characteristics are used to describe the irradiation effect of the light source required by the target. Specifically, the light source requirement characteristics include the following aspects: irradiation light intensity: the light intensity or power distribution required by the target, irradiation angle: the beam angle or focus required by the target, irradiation uniformity: the uniformity of the light source irradiation distribution, which is especially important for complex target surfaces, and irradiation direction: the relative irradiation direction between the light source and the target; by clearly defining the light source requirement characteristics, an accurate target can be provided for the subsequent parameter reverse analysis to ensure that the simulation results can reflect the actual irradiation requirements. The light source requirement characteristics can clarify the constraints, guide the reverse deduction of the model analysis process, and help optimize the light source working parameters.
[0089] More specifically, the light source requirement characteristics are substituted into the parameter analysis model for reverse analysis. Reverse analysis means inferring the working parameters of the fiber optic light source based on the target requirement characteristics. The specific process includes: taking the target light source requirement characteristics as input, reversely calculating the required light source working parameters (such as the power of the optical fiber unit, the driving parameters of the output module, etc.), and analyzing the model to generate several possible light source working parameter schemes to meet different possible configurations of the light source requirement characteristics. Through reverse analysis, multiple possible light source working parameter schemes can be obtained to meet different illumination requirements. In this way, scheme selection, evaluation and optimization can be carried out. Reverse deduction can not only obtain a unique solution, but also provide multiple candidate solutions to adapt to different design requirements and actual situations.
[0090] More specifically, based on the obtained parameter solutions, the execution success rate is analyzed. This analysis evaluates the feasibility of each parameter solution, including: the execution success rate of each solution, that is, whether the parameter combination can meet the requirements of the light source for target illumination. By analyzing the execution success rate, the feasibility of each parameter solution can be quantified, helping decision makers understand which solutions are most likely to be successfully implemented, and optimizing based on the success rate: This analysis provides a basis for the subsequent optimization process, and the best solution can be selected through the success rate.
[0091] More specifically, the parameter scheme is optimized according to the execution success rate of each parameter scheme. The optimization process includes: adjusting the parameters in the scheme to improve its execution success rate. For example, it may be necessary to adjust the driving voltage of the optical fiber unit, the position of the output module, or the focusing degree of the light beam. The optimization goal is to maximize the success rate and ensure that the selected parameters can most effectively meet the target irradiation requirements. The optimization process is a cyclic process. After each adjustment, the success rate needs to be re-evaluated and optimized again. Until the scheme with the best success rate is obtained.
[0092] It is understandable that through the optimization scheme, the execution success rate of each parameter scheme can be improved, ensuring that the light source can efficiently and accurately complete the illumination task in practical applications. The optimization process takes into account a variety of possible scenarios and changes in demand, ensuring that the light source system can adapt to different needs and operate stably.
[0093] More specifically, the theoretical operating parameters of the fiber optic light source are generated according to the optimized parameter scheme. These parameters include: the theoretical operating parameters of the fiber optic unit: including the driving voltage, current, power and other parameters of each fiber optic unit, which are used to excite the fiber optic unit and realize the coupling of the fiber optics; the theoretical operating parameters of the output module: including the parameters for controlling the position, orientation, focusing mode and other parameters of the output end of the fiber optic unit to ensure that the light beam can accurately illuminate the target.
[0094] It can be understood that the generated theoretical working parameters provide a basis for the design of the actual fiber optic light source system, ensuring that the system can work at the theoretical best effect. These parameters provide clear direction and standards for the subsequent fiber optic light source design, testing and debugging.
[0095] Preferably, the steps of obtaining the light source requirement characteristics of the illumination target, substituting the light source requirement characteristics into the parameter analysis model, and making the parameter analysis model perform reverse analysis processing according to the light source requirement characteristics to obtain several parameter solutions of the parameter analysis model corresponding to the light source requirement characteristics include:
[0096] S321: Acquire the light source requirement characteristics of the illumination target; wherein the light source requirement characteristics include light intensity characteristics, light property characteristics and light coverage characteristics;
[0097] S322: taking the model parameters executed by each group of the optical fiber unit simulation models in the parameter analysis model as the first analysis subject, taking the model parameters executed by the output module simulation model in the parameter analysis model as the second analysis subject, and performing model digital simulation on the overall lighting effects corresponding to the first analysis subject and the second analysis subject based on the parameter analysis model, so as to obtain the simulation effect characteristics of the optical fiber light source executing the first analysis subject and the second analysis subject; wherein the first analysis subject includes the light source excitation parameters and the optical fiber coupling parameters of the optical fiber unit, the second analysis subject includes the position setting parameters and the orientation setting parameters of the output end of the optical fiber unit by the output module, and the content items fed back by the simulation effect characteristics correspond one-to-one to the light source demand characteristics;
[0098] S323: taking the consistent state between the light source requirement feature and the simulation effect feature as a fitting target, and performing reverse analysis of the analysis subject of the parameter analysis model according to the fitting target to obtain a first analysis subject and a second analysis subject corresponding to the fitting target;
[0099] S324: Combine the first analysis subject and the second analysis subject to obtain the parameter solution.
[0100] Specifically, the light source requirement characteristics of the illumination target are obtained, including light intensity characteristics: describing the light intensity or power distribution required by the target, usually used to define the illumination intensity required for the target area, light property characteristics: including the wavelength of the light source, spectral range, polarization state of the light, etc. These characteristics are usually related to the quality and effect of the illumination, and light coverage characteristics: describing the illumination area or illumination angle and range required by the target, ensuring that the light beam of the light source can cover the entire target area.
[0101] It can be understood that by defining the characteristics of light source requirements, we can clearly understand the illumination effect required by the target, provide clear guidance for subsequent analysis, and convert light source requirements into specific characteristics such as light intensity, properties, and coverage, which is convenient for the input and reverse analysis of parameter models.
[0102] More specifically, the analysis subjects are defined: the first analysis subject corresponds to the light source excitation parameters and fiber coupling parameters of the fiber unit, which are used to control the excitation degree of the fiber unit and the coupling efficiency of the light energy, and the second analysis subject corresponds to the output module for the output end position setting parameters and orientation setting parameters of the fiber unit. These parameters are used to control the spatial position of the output end of the fiber unit and the orientation of the light beam. Using the defined first analysis subject and the second analysis subject, the illumination effect of the fiber light source is digitally simulated based on the entire parameter analysis model to obtain the light source simulation effect characteristics of the two subjects. This step obtains the final illumination effect by simulating the control of fiber excitation, coupling, and output end position and orientation.
[0103] It can be understood that through detailed simulation of the optical fiber unit and the output module, more realistic lighting effect characteristics can be obtained, thereby providing more accurate data for subsequent optimization. The simulated lighting effect characteristics can be used to evaluate whether the light source meets the target requirements and help the subsequent reverse optimization process.
[0104] More specifically, the effect characteristics obtained by the actual simulation are compared with the light source requirement characteristics of the illumination target, the consistency between the two is evaluated, and the characteristics such as illumination intensity, illumination properties, and illumination coverage are compared to check whether the simulation effect can meet the target requirements. The goal is to make the simulation effect characteristics match the requirement characteristics as much as possible under the same state. In other words, the simulation results should be as close to the target requirements as possible to form a fitting target. Through the fitting process, it can be ensured that the light source working parameters obtained by the simulation can meet the actual illumination requirements and reduce the errors that may occur in the design process. The fitting target provides an optimization standard for the next step of reverse analysis and guides the reverse analysis process to converge to the optimal solution.
[0105] More specifically, according to the fitting target, the first analysis subject (excitation and coupling parameters of the optical fiber unit) and the second analysis subject (control parameters of the output module) of the parameter analysis model are reversely analyzed. The purpose of the reverse analysis is to find the working parameters that best meet the requirements according to the illumination requirements of the target by adjusting the optical fiber excitation parameters, coupling parameters, output position and orientation. The reverse analysis will be iterated multiple times to adjust the parameter combination until the simulation effect is highly consistent with the required characteristics. Through reverse analysis, it can be ensured that the obtained optical fiber light source working parameters can meet the light source requirement characteristics of the illumination target to the greatest extent. This process can optimize the working efficiency of the optical fiber light source and ensure the optimal illumination effect of the light source through reverse deduction and parameter adjustment.
[0106] More specifically, the optimized first analysis subject (light source excitation parameters and fiber coupling parameters of the fiber unit) is combined with the second analysis subject (output module parameters) to generate the final fiber light source parameter solution, which will include all required light source excitation, fiber coupling, output module position and orientation and other working parameters to ensure that the light source can accurately meet the needs of the irradiation target. By combining the analysis subjects, a complete and executable light source working parameter solution is obtained. These solutions can be directly applied to the design, manufacture and commissioning of fiber light sources.
[0107] Preferably, the step of collecting the device status of the optical fiber light source in real time, obtaining the parameter execution status characteristics of each group of optical fiber units in the optical fiber light source, and correcting the model parameters of the digital simulation model of the light source according to the parameter execution status characteristics comprises:
[0108] S51: continuously collecting working electrical signals and device temperatures of the excitation light sources of each group of the optical fiber units in the optical fiber light source to obtain basic monitoring characteristics of each group of the optical fiber units;
[0109] S52: collecting data on the illumination intensity, illumination properties and illumination coverage of the illumination target to obtain effect monitoring characteristics of the optical fiber light source;
[0110] S53: performing a retrospective analysis of additional deviations on the basic monitoring features according to the effect monitoring features to obtain effect error features caused by the output module of the optical fiber light source; wherein the effect error features are used to describe the illumination effect errors caused by the shape changes of the coupled optical fibers of each group of optical fiber units caused by the output module controlling the position and orientation of the output ends of each group of optical fiber units;
[0111] S54: analyzing deformation characteristics of each group of the optical fiber units according to the effect error characteristics to obtain parameter execution status characteristics of each optical fiber unit; wherein the parameter execution status characteristics are used to describe the illumination effect error caused by the shape change of the coupled optical fiber of the optical fiber unit when the output end of the optical fiber unit is in the current position and orientation;
[0112] S55: Assigning model characteristics to the optical fiber unit simulation models corresponding to each group of optical fiber units in the digital simulation model of the light source according to the parameter execution status characteristics, so as to generate optical fiber state correction characteristics corresponding to each of the optical fiber unit simulation models, thereby realizing model parameter correction of the digital simulation model of the light source.
[0113] Specifically, the working status of the optical fiber unit is continuously monitored, including the electrical signal of the excitation light source and the temperature of the device. These data reflect the basic operating conditions of the optical fiber unit, such as power output, temperature change, optical fiber loss, etc.
[0114] More specifically, real-time lighting effect monitoring of the irradiated target mainly includes: light intensity: light intensity distribution in the irradiated area, light properties: spectral distribution, light polarization and other characteristics, light coverage: light coverage range and irradiation angle, etc. By continuously collecting the electrical signal, temperature and lighting effect data of the optical fiber unit, complete and real-time equipment operation data can be obtained, which provides a basis for subsequent analysis, and real-time monitoring of the operating status of the light source helps to promptly discover possible faults or deviations, and make adjustments to improve the reliability of the light source system.
[0115] More specifically, based on the collected lighting effect characteristics, they are compared with the expected light source output to identify deviations in the lighting effect. The source of the deviation may be caused by the output module's control of the position and orientation of the output end of the optical fiber unit, which causes the coupled optical fiber morphology of the optical fiber unit to change, thereby generating lighting effect errors. The output module's control of the position and orientation of the output end of the optical fiber unit will cause the relative position of the coupled output end and the excitation light source in the optical fiber unit to change, thereby causing deformation of the coupled optical fiber, which will directly affect the coupling effect and light intensity distribution of the optical fiber unit. Deviations in position and orientation will change the optical energy coupling effect of the optical fiber, thereby affecting the output lighting effect. These changes need to be analyzed in detail to find out the specific source of the error. Through retrospective analysis of the effect error, the root cause of the light source performance deviation can be effectively identified, such as the control error of the optical fiber unit position and orientation, and the specific impact of the change in the coupled optical fiber morphology of the optical fiber unit on the lighting effect can be accurately identified, thereby providing an effective correction direction.
[0116] More specifically, based on the effect error characteristics obtained by tracing, the deformation characteristics of each group of optical fiber units are analyzed, and the illumination effect error caused by the change of the coupled optical fiber shape under the current position and orientation of the optical fiber unit is determined through model analysis. The analysis of such deformation characteristics usually includes physical deformations such as bending, stretching, and twisting of the optical fiber, and their impact on the transmission and output of light energy, accurately quantifying how these deformations affect the final illumination effect, and providing a basis for model correction. By analyzing the deformation characteristics, the working status of the optical fiber unit can be understood, thereby optimizing the configuration and adjustment strategy of the optical fiber and improving the overall illumination effect of the system.
[0117] More specifically, based on the deformation characteristics of the optical fiber unit, the parameter execution status characteristics of each optical fiber unit are further analyzed and obtained. These characteristics reflect the influence of the output end position and orientation on the coupled optical fiber morphology under the current working state of the optical fiber unit. The parameter execution status characteristics mainly describe the error performance of the optical fiber unit in actual work, including position deviation, uneven light energy coupling, temperature influence, etc. By generating the execution status characteristics, the current working deviation of the optical fiber unit can be quantified, providing accurate data for the correction of light source performance. Understanding and quantifying the parameter execution status characteristics will help to design an optical fiber unit working strategy that is more suitable for the actual environment and improve the flexibility and robustness of the system.
[0118] More specifically, according to the parameter execution status characteristics analyzed above, the relevant model parameters in the digital simulation model of the light source are corrected. The correction process includes: assigning the deformation characteristics of the optical fiber unit, parameter execution status and other information obtained from the analysis to the model, and adjusting the parameters in the model to make it closer to the actual working state of the light source. The corrected model can more realistically reflect the behavior of the optical fiber light source in actual work and improve the accuracy and predictability of the simulation.
[0119] Preferably, the step of analyzing the illumination working parameters of the target digital simulation model by using the light source digital simulation model after model parameter correction to obtain the working correction parameters of the optical fiber light source comprises:
[0120] S61: analyzing the effect error caused by the optical fiber deformation state when the output end of each group of optical fiber units is in other positions and orientations according to the optical fiber state correction characteristics of the simulation models of each group of optical fiber units, and analyzing the actual illumination effect when the output end of each group of optical fiber units is in other positions and orientations based on the effect error, to obtain the actual illumination effect distribution of each group of optical fiber units;
[0121] S62: Acquire the light source requirement characteristics of the illumination target; wherein the light source requirement characteristics include light intensity characteristics, light property characteristics and light coverage characteristics;
[0122] S63: Analyzing the execution parameters of the light source requirement characteristics according to the actual illumination effect distribution of each group of the optical fiber units, so as to obtain the optimal execution parameters of the optical fiber light source corresponding to the light source requirement characteristics;
[0123] S64: Perform parameter conversion analysis based on the optimal execution parameters and the currently executed theoretical working parameters to obtain the working correction parameters of the optical fiber light source.
[0124] Specifically, based on the corrected optical fiber unit simulation model, the optical fiber deformation state of the optical fiber unit at different output end positions and orientations is analyzed. The deformation state of each optical fiber unit at different positions and orientations may cause errors in the lighting effect output by the optical fiber light source. Different deformation states will cause the coupled optical fiber morphology of the optical fiber to change, thereby affecting the output lighting effect. These errors need to be analyzed in detail and corrected according to the specific deformation characteristics.
[0125] More specifically, based on the effect error caused by optical fiber deformation, the actual lighting effect distribution of the optical fiber unit at different output positions and orientations is further analyzed. The purpose of this step is to determine the output light intensity, lighting uniformity and other characteristics of each optical fiber unit under different working conditions. By analyzing the effect error under different deformation states, the lighting effect changes of the optical fiber unit under different working conditions can be accurately evaluated, providing a basis for subsequent light source optimization.
[0126] More specifically, collect light source demand characteristics: obtain the light source demand characteristics of the illumination target, these demand characteristics usually include: light intensity characteristics: the light intensity distribution required for the illumination target, which may include the light intensity requirements for specific areas, light property characteristics: such as light color temperature, spectral characteristics, etc., suitable for application scenarios with high requirements on the light source spectrum, light coverage characteristics: the light coverage range of the target area, to ensure that all parts of the illumination target can meet certain lighting requirements. By obtaining detailed light source demand characteristics, the lighting requirements of the illumination target can be clearly understood, thereby providing a clear goal for the performance optimization of the light source. Clear lighting demand characteristics are the basis for subsequent optimization of the light source execution parameters to ensure that the light source output can meet the actual application requirements.
[0127] More specifically, the gap between the actual lighting effect distribution of each group of optical fiber units and the light source requirement characteristics of the irradiation target is analyzed. The purpose of this step is to find the deviation between the current output of the light source and the target demand, and to evaluate how to adjust the working parameters of the light source to meet the demand. By comparing the actual lighting effect and the demand characteristics, combined with the optical fiber state correction characteristics of the light source, the execution parameters that can best meet the demand are calculated. These execution parameters may include adjusting the position, orientation, power output, etc. of the optical fiber unit. Through comparative analysis, a set of optimal execution parameters can be determined, so that the output of the light source is closer to the demand of the irradiation target, ensuring that the light source can provide the most suitable lighting effect in different environments, ensuring that the light source output meets the specific application requirements, and maximizing the lighting efficiency and accuracy of the effect.
[0128] More specifically, a conversion analysis is performed based on the optimal execution parameters and the theoretical working parameters of the current actual operation. The theoretical working parameters are the parameters calculated based on the original model and the preliminary design, while the optimal execution parameters are the parameters obtained by comparing and analyzing the demand characteristics based on the revised light source model. At this time, parameter conversion is required to ensure that the working parameters of the actual operation can meet the optimal execution parameters. By comparing the theoretical working parameters and the optimal execution parameters, the working correction parameters of the fiber optic light source are obtained. These correction parameters will be used to adjust the current working state in order to better meet the needs of the irradiation target. Through parameter conversion analysis, the optimal execution parameters can be accurately converted into actual executable working parameters, so that the light source can operate in the best state in the current system. By correcting and converting parameters, the light source system can be more flexibly adapted to different environments and application requirements, ensuring that the best lighting effect can be provided under different conditions.
[0129] In a second aspect, the present invention provides a brightness uniformity control device for an optical fiber light source, which is used to implement a brightness uniformity control method for an optical fiber light source as described in any one of the first aspects.
[0130] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A method for controlling brightness uniformity of an optical fiber light source, characterized in that: include: Obtain device information of an optical fiber light source composed of a plurality of groups of optical fiber units, and digitally simulate the optical fiber light source according to the device information to obtain a corresponding digital simulation model of the light source; wherein the digital simulation model of the light source includes simulation models of each group of optical fiber units and an output module simulation model, the optical fiber unit simulation model is used to perform digital simulation feedback on the optical fiber unit, the optical fiber unit includes an excitation light source, a coupling optical fiber and an output end, the output module simulation model is used to perform digital simulation feedback on the output module in the optical fiber light source, and the output module is used to perform position control on the output end of each group of optical fiber units; Acquire target information of the target to be illuminated by the optical fiber light source, and digitally simulate the target according to the target information to obtain a corresponding target digital simulation model; wherein the target digital simulation model includes an object simulation part and a light source positioning part, the object simulation part is used to digitally simulate the target body of the illuminated target, and the light source positioning part is used to digitally simulate the relative position relationship between the target body of the illuminated target and the optical fiber light source; Performing parameter analysis on the irradiation operation of the optical fiber light source according to the target digital simulation model and the light source digital simulation model to obtain theoretical operating parameters of the optical fiber light source corresponding to the irradiation target; wherein the theoretical operating parameters include the luminescence parameters and coupling parameters of each group of optical fiber units, and the position and orientation of the output end of each group of optical fiber units controlled by the output module; Debugging parameters of each group of optical fiber units in the optical fiber light source according to the theoretical working parameters to start the optical fiber light source to perform brightness uniformity illumination on the illumination target; Real-time acquisition of device status of the optical fiber light source is performed to obtain parameter execution status characteristics of each group of optical fiber units in the optical fiber light source, and model parameter correction is performed on the digital simulation model of the light source according to the parameter execution status characteristics; The illumination working parameters of the target digital simulation model are analyzed by using the digital simulation model of the light source after model parameter correction to obtain the working correction parameters of the optical fiber light source, and the parameters of the optical fiber light source are debugged according to the working correction parameters to optimize the brightness uniformity illumination work of the optical fiber light source on the illumination target.
2. A method for controlling brightness uniformity of an optical fiber light source according to claim 1, characterized in that: The steps of obtaining device information of a fiber optic light source composed of a plurality of groups of fiber optic units, and digitally simulating the fiber optic light source according to the device information to obtain a corresponding light source digital simulation model include: Acquire device information of a fiber optic light source composed of a plurality of fiber optic units; wherein the device information includes performance information of each fiber optic unit group and performance information of an output module for positionally controlling an output end of each fiber optic unit group; Performing digital simulation processing on each group of optical fiber units according to the performance information of each group of optical fiber units in the device information, so as to obtain an optical fiber unit simulation model corresponding to each group of optical fiber units; Performing digital simulation processing on the output module according to the performance information of the output module in the device information to obtain an output module simulation model corresponding to the output module; The optical fiber unit simulation model and the output module simulation model are combined to obtain a light source digital simulation model.
3. The brightness uniformity control method of a fiber optic light source according to claim 1, characterized in that: The steps of obtaining target information of the target irradiated by the optical fiber light source and digitally simulating the irradiated target according to the target information to obtain a corresponding target digital simulation model include: Acquire target information of the target irradiated by the optical fiber light source; wherein the target information includes target image information and target position information of the irradiated target; Performing digital simulation of the target body of the irradiated target according to the target image information to obtain an object simulation part of the target digital simulation model; According to the target position information, a model expression of the positioning relationship of the object simulation part of the target digital simulation model relative to the light source is performed to obtain a light source positioning part based on the object simulation part; wherein the light source positioning part is used to perform digital simulation feedback on the relative position relationship between the object simulation part and the optical fiber light source; The object simulation part and the light source positioning part jointly construct the target digital simulation model.
4. The brightness uniformity control method of a fiber optic light source according to claim 1, characterized in that: The step of performing parameter analysis on the irradiation operation of the optical fiber light source according to the target digital simulation model and the light source digital simulation model to obtain theoretical operating parameters of the optical fiber light source corresponding to the irradiation target comprises: Combining the object simulation part of the target digital simulation model with the light source digital simulation model according to the light source positioning part in the target digital simulation model to obtain a parameter analysis model; Acquire the light source requirement characteristics of the illumination target, substitute the light source requirement characteristics into the parameter analysis model, and make the parameter analysis model perform reverse analysis processing according to the light source requirement characteristics to obtain several parameter schemes of the parameter analysis model corresponding to the light source requirement characteristics; wherein the light source requirement characteristics are used to describe the light source illumination effect provided by the optical fiber light source required by the illumination target; Analyzing the execution success rate of each of the parameter solutions according to the parameter analysis model to obtain the expected success rate of the solution corresponding to each of the parameter solutions; Each parameter scheme is optimized according to the expected success rate of the parameter scheme, and each optimized parameter scheme is returned to the step of sharing the execution success rate of each parameter scheme according to the parameter analysis model, and the optimization of each parameter scheme is repeated until a parameter scheme with an execution success rate that meets a preset optimal standard is obtained, and theoretical working parameters of the fiber optic light source corresponding to the irradiation target are generated according to the parameter scheme; wherein the theoretical working parameters include theoretical working parameters of each group of fiber optic units and theoretical working parameters of the output module, the theoretical working parameters of the fiber optic unit are used to drive the fiber optic unit to perform light source excitation and fiber coupling, and the theoretical working parameters of the output module are used to drive the output module to control the position and orientation of the output end of each fiber optic unit.
5. A method for controlling brightness uniformity of an optical fiber light source as claimed in claim 4, characterized in that: The steps of obtaining the light source requirement characteristics of the illumination target, substituting the light source requirement characteristics into the parameter analysis model, and making the parameter analysis model perform reverse analysis processing according to the light source requirement characteristics to obtain several parameter solutions of the parameter analysis model corresponding to the light source requirement characteristics include: Acquire the light source requirement characteristics of the illumination target; wherein the light source requirement characteristics include light intensity characteristics, light property characteristics and light coverage characteristics; The model parameters executed by each group of the optical fiber unit simulation model in the parameter analysis model are used as the first analysis subject, and the model parameters executed by the output module simulation model in the parameter analysis model are used as the second analysis subject. Based on the parameter analysis model, the overall lighting effects corresponding to the first analysis subject and the second analysis subject are digitally simulated to obtain the simulation effect characteristics of the optical fiber light source executing the first analysis subject and the second analysis subject; wherein the first analysis subject includes the light source excitation parameters and the optical fiber coupling parameters of the optical fiber unit, and the second analysis subject includes the position setting parameters and the orientation setting parameters of the output end of the optical fiber unit by the output module, and the content items fed back by the simulation effect characteristics correspond to the light source demand characteristics one by one; The consistent state between the light source requirement characteristic and the simulation effect characteristic is taken as a fitting target, and the parameter analysis model is reversely analyzed according to the fitting target to obtain a first analysis subject and a second analysis subject corresponding to the fitting target; The first analysis subject and the second analysis subject are combined to obtain the parameter scheme.
6. The method for controlling brightness uniformity of an optical fiber light source according to claim 1, characterized in that: The steps of collecting the device status of the optical fiber light source in real time, obtaining the parameter execution status characteristics of each group of optical fiber units in the optical fiber light source, and correcting the model parameters of the digital simulation model of the light source according to the parameter execution status characteristics include: Continuously collecting the working electrical signals and device temperatures of the excitation light sources of each group of the optical fiber units in the optical fiber light source to obtain basic monitoring characteristics of each group of the optical fiber units; Collecting data on the illumination intensity, illumination properties and illumination coverage of the illumination target to obtain the effect monitoring characteristics of the optical fiber light source; According to the effect monitoring feature, the basic monitoring feature is retroactively analyzed for additional deviations to obtain the effect error feature caused by the output module of the optical fiber light source; wherein the effect error feature is used to describe the illumination effect error caused by the change in the shape of the coupled optical fiber of each group of optical fiber units caused by the output module controlling the position and orientation of the output end of each group of optical fiber units; The deformation characteristics of each group of the optical fiber units are analyzed according to the effect error characteristics to obtain the parameter execution status characteristics of each optical fiber unit; wherein the parameter execution status characteristics are used to describe the illumination effect error caused by the shape change of the coupled optical fiber of the optical fiber unit when the output end of the optical fiber unit is in the current position and orientation; According to the parameter execution status characteristics, model characteristics are assigned to the optical fiber unit simulation models corresponding to each group of optical fiber units in the digital simulation model of the light source to generate optical fiber state correction characteristics corresponding to each of the optical fiber unit simulation models, thereby realizing model parameter correction of the digital simulation model of the light source.
7. A method for controlling brightness uniformity of an optical fiber light source as claimed in claim 6, characterized in that: The step of analyzing the illumination working parameters of the target digital simulation model by using the light source digital simulation model after model parameter correction to obtain the working correction parameters of the optical fiber light source comprises: According to the optical fiber state correction characteristics of the simulation models of each group of optical fiber units, the effect error caused by the optical fiber deformation state when the output end of each group of optical fiber units is in other positions and orientations is analyzed, and based on the effect error, the actual lighting effect when the output end of each group of optical fiber units is in other positions and orientations is analyzed to obtain the actual lighting effect distribution of each group of optical fiber units; Obtaining light source requirement characteristics of the illumination target; wherein the light source requirement characteristics include light intensity characteristics, light property characteristics and light coverage characteristics; Analyzing the execution parameters of the light source requirement characteristics according to the actual lighting effect distribution of each group of the optical fiber units to obtain the optimal execution parameters of the optical fiber light source corresponding to the light source requirement characteristics; A parameter conversion analysis is performed based on the optimal execution parameters and the currently executed theoretical working parameters to obtain the working correction parameters of the optical fiber light source.
8. A brightness uniformity control device for an optical fiber light source, characterized in that: A brightness uniformity control method for an optical fiber light source as claimed in any one of claims 1 to 7.
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