Rotary lamp ring brightness control system and method based on data analysis

Abstract

The invention discloses a rotating lamp ring brightness control system and method based on data analysis, and relates to the technical field of rotating lamp ring control. The basic brightness of the rotating lamp ring is determined according to the illumination requirement of the working area; dividing the working area into sub-areas; analyzing the influence of the rotating speed of the rotating lamp ring on the contrast of the sub-regions, analyzing the influence of the brightness of the rotating lamp ring on the brightness of the sub-regions, and determining the rotating speed and the brightness of the rotating lamp ring; a visibility evaluation model of the sub-regions is generated according to the brightness and contrast of the sub-regions, and the rotating lamp ring is controlled; the dynamic lighting effect of the rotary lamp ring is utilized, the direction of light rays is continuously changed through rotation, the light rays are evenly distributed to all corners of a working area, and shadows possibly caused by a fixed light source are reduced; the visibility of a working area can be improved by the reduced shadow, potential safety hazards caused by unclear sight are reduced, and meanwhile the overall production efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of rotating lamp ring control, and specifically to a rotating lamp ring brightness control system and method based on data analysis. Background Art

[0002] A rotating lamp ring is a decorative and lighting device, which is a ring-shaped device composed of multiple LED lights and has a rotating function. It can produce dazzling visual effects and is often used in scenarios where visual effects need to be enhanced. Due to the rotating function of the rotating lamp ring, it can provide a dynamic lighting effect and can be integrated into the intelligent control system of a factory to achieve automated lighting management. In a traditional workshop or factory environment, fixed-position lamps are used to provide lighting, and the light is emitted from a fixed point. At this time, machines or workers may block the light emitted by the lamps, forming shadows, which affect the lighting quality of the working area. When the brightness of the lamp is higher, the illumination intensity in the illuminated area is stronger, while the illumination intensity in the shadow area is relatively weaker. This strong contrast makes the shadow area appear darker, increasing the visual difference between the shadow and illuminated areas and making it more difficult to see the shadow area. Therefore, how to use the rotating lamp ring to provide a dynamic lighting effect and apply the rotating lamp ring to the workshop or factory environment to improve the lighting quality of the working area has become an urgent problem to be solved. Summary of the Invention

[0003] The purpose of the present invention is to provide a rotating lamp ring brightness control system and method based on data analysis to solve the problems raised in the prior art.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A rotating lamp ring brightness control system based on data analysis includes a data acquisition module, a rotating lamp ring control module, a data storage module, and an analysis module. The output end of the data acquisition module is connected to the input end of the data storage module, and is used to obtain the environmental data and image data of the working area. The output end of the data storage module is connected to the input end of the analysis module, and is used to store the historical environmental data of the working area, the brightness, rotation speed, and energy consumption data of the rotating lamp ring during operation. The output end of the analysis module is connected to the input end of the rotating lamp ring control module, and is used to analyze the influence of the rotation speed of the rotating lamp ring on the sub-region contrast, analyze the influence of the brightness of the rotating lamp ring on the sub-region brightness, and determine the rotation speed and brightness of the rotating lamp ring. The rotating lamp ring control module is used to control the rotation speed and brightness of the rotating lamp ring by the user.

[0005] Specifically, the data acquisition module further includes an image acquisition unit and a sensor unit. The image acquisition unit is used to obtain the image data of the working area. The sensor unit is used to obtain the environmental data in the working area.

[0006] Specifically, the analysis module further includes a brightness extraction unit, a region division unit, a visibility evaluation unit, and a brightness contrast analysis unit; the brightness extraction unit is used to convert the image data of the working area into a color space and obtain brightness data according to color characteristics; the region division unit is used to divide the working area into sub-regions and determine the sub-regions with fixed shadow occlusion; the brightness contrast analysis unit is used to analyze the relationship between brightness and the rotation speed and brightness of the rotating lamp ring; the visibility evaluation unit determines the visibility of the sub-regions with fixed shadow occlusion according to the brightness and contrast of the sub-regions with fixed shadow occlusion.

[0007] Specifically, the rotating lamp ring control module further includes a brightness control unit, a rotation speed control unit, and a brightness switching unit; the brightness control unit is used to control the illumination brightness of the rotating lamp ring; the rotation speed control unit is used to control the rotation speed of the rotating lamp ring; the brightness switching unit is used to control the rotating lamp ring to switch between different illumination brightness levels.

[0008] To achieve the above object, the present invention provides the following technical solution: a method for controlling the brightness of a rotating lamp ring based on data analysis, including the following steps: S11, obtaining the lighting requirements of the working area and the parameter data of the rotating lamp ring; determining the basic brightness of the rotating lamp ring according to the lighting requirements of the working area; dividing the working area into sub-regions according to the contrast data of the working area when the rotating lamp ring is not rotating; S12, analyzing the influence of the rotation speed of the rotating lamp ring on the contrast of the sub-regions, analyzing the influence of the brightness of the rotating lamp ring on the brightness of the sub-regions, and determining the rotation speed and brightness of the rotating lamp ring; S13, generating a visibility evaluation model for the sub-regions according to the brightness and contrast of the sub-regions, determining whether the visibility of the sub-regions meets the requirements, if not, returning to step S12 to re-control the rotation speed and brightness of the rotating lamp ring; if so, controlling the rotating lamp ring according to the rotation speed and brightness in step S12.

[0009] Specifically, determining the basic brightness of the rotating lamp ring according to the lighting requirements of the working area further includes the following steps: Obtaining the ambient light intensity of the working area, converting the ambient light intensity into an electrical signal, sending the electrical signal to the computer of the rotating lamp ring control module, and analyzing the ambient light intensity and the lighting requirements of the working area through the built-in algorithm in the computer to determine the basic brightness of the rotating lamp ring.

[0010] Specifically, dividing the working area into sub-regions according to the contrast data of the working area when the rotating lamp ring is not rotating further includes the following steps: Step 1: Obtain the image data within the working area when the rotating lamp ring is not rotating at the base brightness, convert the image data into a color space, and extract the color features of the working area; divide the working area into sub-regions according to the color features of the working area: obtain the color features of all pixel points within the working area, obtain the brightness values of the pixel points according to the color features, obtain the contrast of the pixel points according to the brightness values of the pixel points, perform unsupervised classification on the contrast of the pixel points to obtain the color features of the class centers and the classification clusters, and obtain the critical error of the contrast between the pixel points in the classification cluster and the class center according to the classification cluster and the color features of the class center; Step 2: Create a set, and randomly select a pixel point i outside the set and add it to the set; calculate the error between the contrast of the pixel points around the pixel point i and the contrast of the pixel point i. If the error is not greater than the critical error, add the pixel points around the pixel point i to the set; for the pixel points added to the set, continue to process the pixel points around them until no new pixel points can be added to the set; adjacent means the distance between pixel points is equal to one pixel pitch; Step 3: Return to Step 2 to create a new set until all pixel points are in the set; the pixel points in the same set form a sub-region; obtain the contrast data of the sub-region, and determine the sub-regions with fixed shadow occlusion according to the contrast data of the sub-region.

[0011] Specifically, analyzing the influence of the rotation speed of the rotating lamp ring on the contrast of the sub-region further includes the following steps: Establish the brightness model L of the sub-region: , where L is the brightness of the sub-region, T is the rotation period of the rotating lamp ring, T = 2π / w, where w is the rotation speed of the rotating lamp ring, L0 is the nominal brightness provided by the rotating lamp ring, related to the brightness of the rotating lamp ring, θ t is the rotation angle of the rotating lamp ring, x(θ t ) is the light source visibility function, related to the angle of the rotating lamp ring; Simplify L, , where is a constant; obtain the brightness of the sub-region at known brightness and rotation speed, and solve according to the brightness of the sub-region, the known brightness and rotation speed of the rotating lamp ring to obtain ; according to obtain the brightness of the sub-region under any combination of rotation speed and brightness of the rotating lamp ring; obtain the maximum brightness Lmax and the minimum brightness Lmin of the sub-region according to the brightness model of the sub-region, and obtain the contrast C according to the maximum brightness Lmax and the minimum brightness Lmin of the sub-region, C = (Lmax - Lmin) / (Lmax + Lmin), and determine the contrast of the sub-regions with fixed shadow occlusion from it.

[0012] Specifically, the steps for generating the visibility evaluation model of the sub-region according to the brightness and contrast of the sub-region further include the following steps: B = m×L + n×C + b, where B represents the visibility of the sub-region, m and n represent fitting coefficients, and b represents the bias; m, n, and b are solved by the least squares method; testers observe the sub-regions with fixed shadow occlusion under different brightness and contrast conditions, and perform several levels of annotation according to the observation effects. Intervals are divided according to the annotation results, and each interval corresponds to a level annotation; the annotation results under different brightness and contrast conditions are obtained, the brightness and contrast during testing are used as inputs, and the level annotation is used as the output, and m, n, and b are solved by the least squares method.

[0013] Specifically, the steps for determining the rotation speed and brightness combination of the rotating lamp ring further include the following steps: Obtain the energy consumption function f(w, L0) of the rotating lamp ring, and establish the objective function: min{f(w, L0)}, with the constraint conditions being and whether the visibility meets the requirements, where thr is the lighting requirement of the working area. Under the condition of meeting the constraint conditions, the objective function is solved to obtain the rotation speed and brightness combination of the rotating lamp ring.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: Utilize the dynamic lighting effect of the rotating lamp ring, continuously change the direction of the light by rotation, evenly distribute the light to every corner of the working area, and reduce the shadows that may be caused by fixed light sources; the reduced shadows can improve the visibility of the working area, reduce potential safety hazards caused by unclear sightlines, and at the same time improve the overall production efficiency; by establishing a model between the energy consumption of the rotating lamp ring and the rotation speed and brightness, the optimal energy efficiency can be achieved on the premise of ensuring the lighting quality of the working area; when the brightness of the light source is relatively high, the illumination intensity in the illuminated area is very strong, while the illumination intensity in the shadow area is relatively weak. This strong contrast makes the shadow area appear darker, increasing the visual difference between the shadow and illuminated areas. By rotating the lamp ring, the visual difference between the shadow and illuminated areas is reduced, improving the visual effect of the working area. Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram of a rotating lamp ring brightness control system based on data analysis according to the present invention. Detailed Embodiments

[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0017] Embodiment: As Figure 1 shown, the present invention provides a technical solution, a rotational lamp ring brightness control system based on data analysis, including a data acquisition module, a rotational lamp ring control module, a data storage module, and an analysis module; the output end of the data acquisition module is connected to the input end of the data storage module, and is used to obtain the environmental data and image data of the working area; the output end of the data storage module is connected to the input end of the analysis module, and is used to store the historical environmental data of the working area, the brightness, rotation speed, and energy consumption data during the operation of the rotational lamp ring; the output end of the analysis module is connected to the input end of the rotational lamp ring control module, and is used to analyze the influence of the rotation speed of the rotational lamp ring on the sub-region contrast, analyze the influence of the brightness of the rotational lamp ring on the sub-region brightness, and determine the rotation speed and brightness of the rotational lamp ring; the rotational lamp ring control module is used for the user to control the rotation speed and brightness of the rotational lamp ring.

[0018] Specifically, the data acquisition module further includes an image acquisition unit and a sensor unit; the image acquisition unit is used to obtain the image data of the working area; the sensor unit is used for the environmental data within the working area.

[0019] Specifically, the analysis module further includes a brightness extraction unit, a region division unit, a visibility evaluation unit, and a brightness contrast analysis unit; the brightness extraction unit is used to convert the image data of the working area into a color space and obtain brightness data according to color characteristics; the region division unit is used to divide the working area into sub-regions and determine the sub-regions with fixed shadow occlusion; the brightness contrast analysis unit is used to analyze the relationship between the brightness and the rotation speed and brightness of the rotational lamp ring; the visibility evaluation unit judges the visibility of the sub-regions with fixed shadow occlusion according to the brightness and contrast of the sub-regions with fixed shadow occlusion.

[0020] Specifically, the rotational lamp ring control module further includes a brightness control unit, a rotation speed control unit, and a brightness switching unit; the brightness control unit is used to control the illumination brightness of the rotational lamp ring; the rotation speed control unit is used to control the rotation speed of the rotational lamp ring; the brightness switching unit is used for the user to control the rotational lamp ring to switch between different illumination brightnesses.

[0021] Embodiment: The present invention provides a technical solution, a rotational lamp ring brightness control method based on data analysis, including the following steps: S11, obtain the lighting requirements of the working area and the parameter data of the rotational lamp ring; determine the basic brightness of the rotational lamp ring according to the lighting requirements of the working area; divide the working area into sub-regions according to the contrast data of the working area when the rotational lamp ring is not rotating; S12, analyze the influence of the rotation speed of the rotational lamp ring on the sub-region contrast, analyze the influence of the brightness of the rotational lamp ring on the sub-region brightness, and determine the rotation speed and brightness of the rotational lamp ring; S13. Generate a visibility evaluation model for the sub-region based on the brightness and contrast of the sub-region, and determine whether the visibility of the sub-region meets the requirements. If not, return to step S12 to re-control the rotation speed and brightness of the rotating lamp ring; if it meets the requirements, control the rotating lamp ring according to the rotation speed and brightness in step S12.

[0022] Specifically, determining the basic brightness of the rotating lamp ring according to the lighting requirements of the working area further includes the following steps: Obtain the ambient light intensity of the working area, convert the ambient light intensity into an electrical signal, send the electrical signal to the computer of the rotating lamp ring control module, and analyze the ambient light intensity and the lighting requirements of the working area through the built-in algorithm in the computer to determine the basic brightness of the rotating lamp ring.

[0023] The basic projection brightness is the brightness when the rotating lamp ring is not rotating. At this time, the rotating lamp ring is equivalent to an ordinary fixed lighting device, which can only provide a light source at a fixed position and lighting in a fixed direction; at this time, object occlusion will produce a shadow with a clear light and dark boundary line, and only the light passing through the occluder can be obtained in the shadow area. In order to make the brightness of the shadow part of the working area meet the requirements, it is necessary to increase the brightness of the lighting device. At this time, the brightness of the shadow part just meets the requirements, while the brightness of other parts is too high, resulting in energy waste.

[0024] The lighting effect of the rotating lamp ring will be affected by environmental factors, including but not limited to ambient light intensity, temperature, and humidity, etc.; among them, the ambient light intensity is the most important factor, directly affecting the brightness of the working area; while temperature and humidity affect the brightness of the working area by affecting the lighting effect of the rotating lamp ring; a high-humidity environment may cause light scattering and affect the lighting effect; and temperature affects the performance of the rotating lamp ring. High temperature will cause the lamp to overheat, and low temperature may affect the brightness of the rotating lamp ring; the computer generates the basic brightness of the rotating lamp ring by considering the current ambient light intensity, temperature, and humidity.

[0025] Specifically, dividing the working area into sub-regions according to the contrast data of the working area when the rotating lamp ring is not rotating further includes the following steps: Step 1. Obtain the image data in the working area when the rotating lamp ring is not rotating under the basic brightness, convert the image data into a color space, and extract the color features of the working area; divide the working area into sub-regions according to the color features of the working area: obtain the color features of all pixel points in the working area, obtain the brightness value of the pixel points according to the color features, obtain the contrast of the pixel points according to the brightness value of the pixel points, perform unsupervised classification on the contrast of the pixel points to obtain the color features of the class center and the classification clusters, and obtain the critical error of the contrast between the pixel points in the classification cluster and the class center according to the classification cluster and the color features of the class center. Step 2: Create a set. Randomly select a pixel i outside the set and add it to the set. Calculate the error between the contrast of pixel i and the pixels around it. If the error is not greater than the critical error, add the pixels around pixel i to the set. For the pixels added to the set, continue to process the pixels around them until no new pixels can be added to the set. Adjacent means the distance between pixels is equal to one pixel pitch. Step 3: Return to Step 2 to create a new set until all pixels are in the set. The pixels in the same set form a sub-region. Obtain the contrast data of the sub-region, and determine the sub-regions with fixed shadow occlusion according to the contrast data of the sub-region.

[0026] The purpose of these steps is to determine the areas occluded by fixed shadows and improve the lighting conditions of these areas occluded by fixed shadows by using the dynamic lighting effect of the rotating lamp ring. Optionally, convert the image data to the RGB color space. At this time, the R, G, and B channel values of the pixels in the image data can be obtained, and the brightness value y of the pixel can be obtained according to the R, G, and B channel values of the pixel, y = 0.2126R + 0.7152G + 0.0722B. The contrast of each pixel can be obtained according to the brightness value of each pixel. The contrast data of the sub-region can be determined by calculating the average value of the contrasts of all pixels in the sub-region. The sub-region is divided into sub-regions with fixed shadow occlusion and other sub-regions by statistical methods. Optionally, obtain the upper and lower lines of the sub-region contrast by the box plot method, and judge the sub-regions with fixed shadow occlusion by the upper and lower lines.

[0027] Specifically, analyzing the influence of the rotation speed of the rotating lamp ring on the sub-region contrast further includes the following steps: Establish the brightness model L of the sub-region: , where L is the brightness of the sub-region, T is the rotation period of the rotating lamp ring, T = 2π / w, where w is the rotation speed of the rotating lamp ring, L0 is the nominal brightness provided by the rotating lamp ring, related to the brightness of the rotating lamp ring, θ t is the rotation angle of the rotating lamp ring, and x(θ t ) is the light source visibility function, related to the angle of the rotating lamp ring; Simplify L, , where is a constant; Obtain the brightness of the sub-region at known brightness and rotation speed, and solve according to the brightness of the sub-region, the known brightness and rotation speed of the rotating lamp ring to obtain ; According to Obtain the brightness of the sub-region under the combination of rotational speed and brightness of an arbitrarily rotating lamp ring; obtain the maximum brightness Lmax and the minimum brightness Lmin of the sub-region according to the brightness model of the sub-region, and obtain the contrast C based on the maximum brightness Lmax and the minimum brightness Lmin of the sub-region, C = (Lmax - Lmin) / (Lmax + Lmin), and determine the contrast of the sub-region with fixed shadow occlusion therefrom.

[0028] First, since the rotating lamp ring rotates according to a fixed period, the rotation angle θ of the rotating lamp ring t varies periodically, and the light source visibility function x(θ t ) also varies periodically with the angle θ t . Therefore, for the integration within one period , the result obtained is a fixed value and is not affected by the rotational speed; because the influence of the rotating lamp ring angle has been manifested through x(θ t ), the nominal brightness L0 provided by the rotating lamp ring is a fixed value, which is only related to the brightness of the rotating lamp ring, and the brightness is determined by the computer according to environmental factors.

[0029] After obtaining , the brightness of the sub-region under any rotational speed w and the nominal brightness L0 provided by the rotating lamp ring can be obtained, thus avoiding repeated experiments for measurement and only requiring a set of data; according to the brightness and contrast of the sub-region, the lighting effect can be evaluated.

[0030] Specifically, generating a visibility evaluation model for the sub-region according to the brightness and contrast of the sub-region further includes the following steps: B = m×L + n×C + b, where B represents the visibility of the sub-region, m and n represent fitting coefficients, and b represents the bias; m, n, and b are solved by the least squares method; testers observe the effects of the sub-regions with fixed shadow occlusion under different brightnesses and contrasts, and make several levels of annotations according to the observation effects, divide intervals according to the annotation results, and each interval corresponds to a level annotation; obtain the annotation results under different brightnesses and contrasts, use the brightness and contrast during testing as inputs, and the level annotation as the output, and solve for m, n, and b by the least squares method.

[0031] Specifically, it can be divided into three levels according to the observation effect of personnel: easily overlooked, observable normally, and less affected. "Easily overlooked" means that due to the influence of brightness and contrast, personnel need to concentrate particularly to observe. Usually, sub-regions with fixed shadow occlusion are difficult for personnel to observe, and personnel tend to overlook sub-regions with fixed shadow occlusion. "Observable normally" means that personnel will be affected by brightness and contrast, but can observe sub-regions with fixed shadow occlusion normally. "Less affected" means that personnel can observe the information of sub-regions with fixed shadow occlusion like other sub-regions. They are respectively assigned values of 2, 1, and 0. When B is greater than or equal to 2, it is judged as easily overlooked. When B is between 2 and 1, it is judged as observable normally. When B is between 1 and 0, it is judged as less affected. Preferably, only the relationship between 2 and B needs to be judged because in other cases, sub-regions with fixed shadow occlusion meet the observation requirements of personnel.

[0032] Specifically, determining the rotation speed and brightness combination of the rotating lamp ring further includes the following steps: Obtain the energy consumption function f(w, L0) of the rotating lamp ring, and establish the objective function: min{f(w, L0)}, with the constraint conditions being and whether the visibility meets the requirements. Here, thr is the lighting requirement of the working area. Under the condition of meeting the constraint conditions, solve the objective function to obtain the rotation speed and brightness combination of the rotating lamp ring.

[0033] The energy consumption of the rotating lamp ring consists of three parts: the energy consumption P1 of the LED lamp, the energy consumption p2 of the motor rotation, and the energy consumption p3 of the rotating lamp ring control system. Among them, p3 is usually a fixed value. The energy consumption P1 of the LED lamp is positively correlated with the brightness of the rotating lamp ring, and the energy consumption p2 of the motor rotation is positively correlated with the rotation speed of the rotating lamp ring. The rotation speed-energy consumption curve and brightness-energy consumption curve of the rotating lamp ring can be obtained by the control variable method, that is, control the rotation speed to be the same and test the energy consumption of the rotating lamp ring at different brightnesses, and vice versa; obtain the energy consumption function f(w, L0) of the rotating lamp ring according to the rotation speed-energy consumption curve and brightness-energy consumption curve of the rotating lamp ring; The goal is to obtain the lowest energy consumption of the rotating lamp ring when the brightness of the working area meets the requirements and the contrast of sub-regions with fixed shadow occlusion meets the requirements; first, according to the constraint conditions , after simplification, it becomes , This is a hyperbolic paraboloid function of w and L0, which can restrict the domains of w and L0; then, the partial derivatives of f(w, L0) with respect to w and L0 are obtained to get the minimum point of f(w, L0) within the domains of w and L0. According to the w and L0 at this time, it is judged whether the visibility of the sub-region with fixed shadow occlusion meets the requirements. If so, the rotation speed and brightness settings with the lowest energy consumption are obtained. If not, since the illumination received by the sub-region with fixed shadow occlusion from the rotating lamp ring is attenuated, while other sub-regions can fully receive the illumination from the rotating lamp ring, reducing the brightness of the rotating lamp ring can reduce the illumination intensity difference between the sub-region with fixed shadow occlusion and other sub-regions; since increasing the rotation speed can increase the brightness of the sub-region with fixed shadow occlusion, so starting from the minimum point, w and L0 are moved in the direction of increasing rotation speed and decreasing brightness. By setting a certain step size, the rotation speed and brightness are obtained by cross-validation when the visibility of the sub-region with fixed shadow occlusion meets the requirements, which is also the final required target.

[0034] When the environmental light conditions change significantly, the basic brightness determined by the built-in algorithm in the computer changes significantly, then the above-described steps are repeated to obtain new rotation speed and brightness targets.

[0035] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A method for controlling the brightness of a rotating lamp ring based on data analysis, characterized in that, It includes the following steps: S11. Obtain the lighting requirements of the working area and the parameter data of the rotating lamp ring; determine the basic brightness of the rotating lamp ring according to the lighting requirements of the working area; divide the working area into sub-areas according to the contrast data of the working area when the rotating lamp ring is not rotating; S12. Analyze the influence of the rotation speed of the rotating lamp ring on the contrast of the sub-areas, analyze the influence of the brightness of the rotating lamp ring on the brightness of the sub-areas, and determine the rotation speed and brightness of the rotating lamp ring; S13. Generate a visibility evaluation model for the sub-areas according to the brightness and contrast of the sub-areas, judge whether the visibility of the sub-areas meets the requirements. If not, return to step S12 to re-control the rotation speed and brightness of the rotating lamp ring; if so, control the rotating lamp ring according to the rotation speed and brightness in step S12; Among them, step S12 specifically includes: by establishing a brightness model of the sub-areas, obtaining the brightness of the sub-areas at known brightness and rotation speed, and solving according to the brightness of the sub-areas, the known brightness and rotation speed of the rotating lamp ring to obtain the brightness of the sub-areas under the combination of rotation speed and brightness of any rotating lamp ring; obtaining the maximum and minimum brightness values of the sub-areas according to the brightness model of the sub-areas, and determining the contrast of the sub-areas with fixed shadow occlusion.

2. The method for controlling the brightness of a rotating lamp ring based on data analysis according to claim 1, wherein The step of determining the basic brightness of the rotating lamp ring according to the lighting requirements of the working area further includes the following steps: Obtain the ambient light intensity of the working area, convert the ambient light intensity into an electrical signal, send the electrical signal to the computer of the rotating lamp ring control module, and analyze the ambient light intensity and the lighting requirements of the working area through the built-in algorithm in the computer to determine the basic brightness of the rotating lamp ring.

3. The method for controlling the brightness of a rotating lamp ring based on data analysis according to claim 2, wherein, The step of dividing the working area into sub-areas according to the contrast data of the working area when the rotating lamp ring is not rotating further includes the following steps: Step 1. Obtain the image data in the working area when the rotating lamp ring is not rotating at the basic brightness, convert the image data into a color space, and extract the color characteristics of the working area; divide the working area into sub-areas according to the color characteristics of the working area: obtain the color characteristics of all pixel points in the working area, obtain the brightness value of the pixel points according to the color characteristics, obtain the contrast of the pixel points according to the brightness value of the pixel points, perform unsupervised classification on the contrast of the pixel points to obtain the color characteristics of the class center and the classification clusters, and obtain the critical error of the contrast between the pixel points in the classification cluster and the class center according to the classification clusters and the color characteristics of the class center; Step 2. Create a set, and randomly select a pixel point i outside the set and add it to the set; calculate the error between the contrast of the pixel points around the pixel point i and the contrast of the pixel point i. If the error is not greater than the critical error, add the pixel points around the pixel point i to the set; for the pixel points added to the set, continue to process the pixel points around them until no new pixel points can be added to the set; the adjacent means that the distance between pixel points is equal to one pixel pitch; Step 3. Return to step 2 to create a new set until all pixel points are in the set; the pixel points in the same set form a sub-area; obtain the contrast data of the sub-areas, and determine the sub-areas with fixed shadow occlusion according to the contrast data of the sub-areas.

4. A method for controlling the brightness of a rotating lamp ring based on data analysis according to claim 3, characterized in that The analysis of the influence of the rotation speed of the rotating lamp ring on the sub-region contrast further includes the following steps: Establish the brightness model L of the sub-region: , where L is the brightness of the sub-region, T is the rotation period of the rotating lamp ring, T = 2π / w, where w is the rotation speed of the rotating lamp ring, L0 is the nominal brightness provided by the rotating lamp ring, which is related to the brightness of the rotating lamp ring, and θ t is the rotation angle of the rotating lamp ring, and x(θ t ) is the light source visibility function, which is related to the angle of the rotating lamp ring; Simplify L, , where is a constant; Obtain the brightness of the sub-region at known brightness and rotational speed, and solve according to the brightness of the sub-region, the known brightness and rotational speed of the rotating lamp ring to obtain ; According to obtain the brightness of the sub-region under the combination of rotational speed and brightness of any rotating lamp ring; Obtain the maximum brightness Lmax and minimum brightness Lmin of the sub-region according to the brightness model of the sub-region, and obtain the contrast C according to the maximum brightness Lmax and minimum brightness Lmin of the sub-region, C = (Lmax - Lmin) / (Lmax + Lmin), and determine the contrast of the sub-region with fixed shadow occlusion therefrom. It should be noted that there may be an error in the formula for calculating the contrast in the original text. It is calculated as C=(Lmax-Lmin) / (Lmax-Lmin), which will always result in 1. It is suspected that it should be C = (Lmax - Lmin) / (Lmax + Lmin). The translation is based on the original text, but this error should be noted.

5. A method for controlling the brightness of a rotating lamp ring based on data analysis according to claim 4, characterized in that, The generation of the visibility evaluation model for the sub-region based on the brightness and contrast of the sub-region further includes the following steps: B = m×L + n×C + b, where B represents the visibility of the sub-region, m and n represent fitting coefficients, and b represents the bias; m, n, and b are solved by the least squares method; testers observe the effects of sub-regions with fixed shadow occlusions under different brightness and contrast levels, and perform several levels of annotation according to the observation effects. Intervals are divided according to the annotation results, and each interval corresponds to a level of annotation; the annotation results under different brightness and contrast levels are obtained, the brightness and contrast during testing are used as inputs, and the level of annotation is used as the output, and m, n, and b are solved by the least squares method.

6. A method for controlling the brightness of a rotating lamp ring based on data analysis according to claim 5, characterized in that, The determination of the rotation speed and brightness combination of the rotating lamp ring further includes the following steps: Obtain the energy consumption function f(w, L0) of the rotating light ring, and establish the objective function: min{f(w, L0)}, with the constraint conditions being and whether the visibility meets the requirements. In the formula, thr is the lighting requirement of the working area. Under the condition of meeting the constraint conditions, solve the objective function to obtain the rotational speed and brightness combination of the rotating light ring.

7. A brightness control system for a rotating lamp ring based on data analysis, characterized in that, It includes a data acquisition module, a rotating lamp ring control module, a data storage module, and an analysis module; the output end of the data acquisition module is connected to the input end of the data storage module, and is used to obtain the environmental data and image data of the working area; the output end of the data storage module is connected to the input end of the analysis module, and is used to store the historical environmental data of the working area, the brightness, rotation speed, and energy consumption data of the rotating lamp ring during operation; the output end of the analysis module is connected to the input end of the rotating lamp ring control module, and is used to analyze the influence of the rotation speed of the rotating lamp ring on the sub-region contrast, analyze the influence of the brightness of the rotating lamp ring on the sub-region brightness, and determine the rotation speed and brightness of the rotating lamp ring; the rotating lamp ring control module is used for the user to control the rotation speed and brightness of the rotating lamp ring.

8. A brightness control system for a rotating lamp ring based on data analysis according to claim 7, characterized in that The data acquisition module further includes an image acquisition unit and a sensor unit; the image acquisition unit is used to obtain the image data of the working area; the sensor unit is used for the environmental data in the working area.

9. A brightness control system for a rotating lamp ring based on data analysis according to claim 8, characterized in that, The analysis module further includes a brightness extraction unit, a region division unit, a visibility evaluation unit, and a brightness contrast analysis unit; the brightness extraction unit is used to convert the image data of the working area into a color space and obtain the brightness data according to the color characteristics; the region division unit is used to divide the working area into sub-regions and determine the sub-regions with fixed shadow occlusions; the brightness contrast analysis unit is used to analyze the relationship between the brightness and the rotation speed and brightness of the rotating lamp ring; the visibility evaluation unit judges the visibility of the sub-regions with fixed shadow occlusions according to the brightness and contrast of the sub-regions with fixed shadow occlusions.

10. A brightness control system for a rotating lamp ring based on data analysis according to claim 9, characterized in that, The rotating lamp ring control module further includes a brightness control unit, a rotation speed control unit, and a brightness switching unit; the brightness control unit is used to control the illumination brightness of the rotating lamp ring; the rotation speed control unit is used to control the rotation speed of the rotating lamp ring; the brightness switching unit is used to control the rotating lamp ring to switch between different illumination brightness levels.

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