145results about "Light control" patented technology

The invention discloses a collaborative light regulation and control decision method and system, and relates to the technical field of intelligent regulation and control of plant factory light environments, and the system comprises a plant physiology monitoring unit which is provided with a non-invasive microelectrode array and a hyperspectral imager; and the environment sensing unit is used for collecting illumination intensity, spectrum, temperature, humidity and carbon dioxide concentration data. According to the collaborative light regulation and control decision-making method and system, fusion of multi-source heterogeneous data is realized through a pulse time sequence coding mechanism, and the problem that environmental parameters and plant physiological statuses are difficult to collaboratively analyze in the prior art is solved; based on a dynamic optimization architecture of double-alliance Nash equilibrium, autonomous collaborative decision-making of spectrum parameters can be completed in a short time, and compared with a traditional preset light formula, the response speed is improved; decision effectiveness can be synchronously guaranteed on the virtual model and biological entity level, the light suppression misjudgment rate is reduced, and meanwhile the plant light energy utilization rate is stably improved.

An optomechanical system (24) for projection lithography has an object holder (7a) with an object displacement drive (7b) for moving an object (7) to be illuminated through an object field (6a) along an object displacement direction (y). An illumination optic (5) of the optomechanical system (24) has at least one micromirror array (19) for guiding illumination light (4) from a light source (3) to the object field (6a). At least a subset of tiltable micromirrors (20) of the micromirror array (19) can be switched between an illumination tilt position and an attenuation tilt position by means of a control device (23a), in which the illumination light (4) is directed towards a light trap (25) of the optomechanical system (24). By means of the optomechanical system (24) an actual illumination dose is specified with which an object structure is illuminated during a projection exposure process.The result is an optomechanical system with which an actual illumination dose can be flexibly and, in particular, with high dynamics specified during the projection exposure process.

A control device (100) for controlling a number N, with N ≥ 1, of actuators (200) for actuating N optical elements (310) of an optical system (300), comprising a control node (K2) coupling to the actuator (200) for providing a control voltage (V2) for the actuator (200), and an amplifier (110) configured to receive a supply voltage (V1) provided at an input node (K1) and to provide an output voltage (V3) at an output node (K3), wherein the amplifier (110) comprises a plurality M, with M ≥ 2, of current sources (111, 112) comprising at least one controlled current source (112) and a holding capacitor (113) for maintaining the level of the provided output voltage (V3), wherein the controlled current source (112) comprises a transistor (114), whose gate terminal can be controlled by an adjustable first control signal (S1),and has an adjustable resistor (115) coupled to the transistor (114).

Lighting device (10) for a passenger transport vehicle, wherein the lighting device comprises: a lighting unit (13) designed to illuminate a projection area (31) differently with a light cone (130) based on a plurality of different lighting patterns; where the lighting patterns are pixel-based image data; an interface (12) to an external system for receiving and sending lighting data; and a control unit (11) designed to control the lighting unit with respect to the different lighting patterns based on the received lighting data; characterized by the fact that the lighting unit (13) is designed to generate multiple light cones in a coverage area of ​​the lighting unit depending on the pixel-based image data, so that a light cone results in a delimited lighting area within the coverage area and only the resulting lighting area is illuminated.

A self-sufficient, solar-powered lighting system, comprising: a) a photovoltaic module (5) for converting solar energy into electrical energy, b) a rechargeable lithium iron phosphate battery (LiFePO4) (9) for storing the generated energy, c) at least one dimmable LED light (3) for illumination, d) a control unit with a microcontroller (13) and integrated control software, e) a communication module (17) for wireless data transmission (NB-IoT, LTE, or 4G), f) a sensor (11) for detecting the battery state of charge (SOC), g) a motion sensor (8) for detecting movements and determining the movement speed, h) program logic for dynamically controlling the light intensity, wherein at least the parameters battery state of charge (SOC), detected movement speed, and current and forecast weather data are evaluated,i) an energy output module for providing surplus energy to external consumers or for feeding into the local power grid, characterized in that the lighting unit has a reduced basic brightness in the idle state and, upon detection of movement, is increased to different brightness levels depending on the speed of movement, with additional animal-friendly transitions during switching on and off being provided, and the system preemptively charges the battery to the maximum value in the event of forecast bad weather in order to ensure extended self-sufficiency.

Light-emitting device comprising: a substrate; a first light-emitting element that emits a first light and is mounted on the substrate; a second light-emitting element that emits a second light and is mounted at a position on the substrate where the second light-emitting element can receive the first light, wherein the second light has an emission peak wavelength that is longer than an emission peak wavelength of the first light; and a control and / or regulating device that separately controls and / or regulates the first light-emitting element and the second light-emitting element, wherein the control and / or regulating device controls and / or regulates a current to be supplied to the second light-emitting element on the basis of an electromotive force generated by the second light-emitting element, which receives the first light, the control and / or regulating device includes: a measuring device that measures a voltage value of the electromotive force generated by the second light-emitting element; a memory that stores a relationship between the voltage value of the electromotive force and a current value of the second light-emitting element; a determining device that determines the current value corresponding to the voltage value measured by the measuring device, based on the voltage value and the relationship stored in the memory; and an adjusting device that adjusts the current to be supplied to the second light-emitting element so that the current has the current value determined by the determining device.

The invention belongs to the technical field of facility horticulture postharvest treatment, and particularly relates to a tomato postharvest quality regulation and control light supplementing system based on white light-metabolism key enzyme coupling activation and an application method thereof, and the tomato postharvest quality regulation and control light supplementing system comprises an enzyme activity targeting white light module, an enzyme activity feedback module and a fruit bearing regulation and control module. According to the postharvest tomato quality regulation and control light supplementing system based on white light-metabolic key enzyme coupling activation, a white light spectrum segmentation-key enzyme activity dynamic matching coupling mechanism is innovatively designed by combining the regulation and control rule of white light on the activity of key enzymes such as carotenoid synthetase and phenylpropane metabolic enzyme of tomato fruits; through an adjustable broad-spectrum white light source and an enzyme activity feedback module, directional accumulation of beneficial metabolites such as carotenoids and flavonoid compounds and efficient degradation of alkaloids are realized.

Motor vehicle (1) with - at least two lamps (5, 5a, 5b, 5c) arranged distributed (3, 4, 12R) in the interior (2) of the motor vehicle (1), the light colour of which can be adjusted, - a sensor device (8, 9, 10, 11, 13L, 13R, 14, 15, 16) which is designed to record measurement data and has a biometric sensor (15), - a control device (6) which is designed by means of an evaluation unit (7) to evaluate the acquired measurement data, wherein - the biometric sensor (15) is designed to detect a heart rate of a driver, which relates to a physiological state of the driver of the motor vehicle (1), - the control device (6) is designed to adjust the light colour of the at least two lighting means (5, 5a, 5b, 5c) separately depending on the evaluation, and - adjust the intensity of interior lighting in accordance with the driver's heart rate.

This invention discloses a detection method, system, and medium based on line spectral confocalization. The method includes: determining the number of peaks; if the number of peaks is one, adjusting the light intensity value corresponding to the peak wavelength to be within the light intensity working range; if the number of peaks is not less than two, extracting the light intensity value corresponding to the peak wavelength, analyzing the peak morphology, and identifying the peak wavelength associated with each reflection region; analyzing the offset of the height of the specular reflection region, correcting the detection height of the specular reflection region to obtain the height difference between the reflection regions covered within the width of the line spot at any position on the scanning line; and adjusting the distance of the sensor relative to the surface of the object under test according to the height difference, so that there is one and only one valid peak in the spectral image at any position on the scanning line. This invention can accurately calculate the height difference between the specular reflection region and the diffuse reflection region covered within the width of the line spot, improving the signal-to-noise ratio of the spectral image and expanding the application scenarios.

The invention discloses a bottom mud resuspension dimming method for water source algae control, and relates to the technical field of blue-green algae prevention and control, the method comprises the following steps: establishing an experiment system comprising a plurality of groups of independent water body simulation devices, each group of device being provided with a bivariate combination of bottom mud concentration and resuspension frequency; constructing a parameterized extinction model related to the sediment concentration and the sedimentation time based on the real-time illumination data of the vertical layered optical monitoring network; the turbidity of the water body is monitored in real time, when the turbidity exceeds a critical value, a dynamic compensation coefficient is generated, and a theoretical daily light receiving quantity threshold value is increased according to a direct proportion relation; traversing all double-variable combinations, and screening variable combinations which simultaneously meet the condition that the actual daily light receiving quantity is not greater than the theoretical threshold value subjected to turbidity correction and the product of the total bottom mud adding quantity and the mechanical energy consumption is minimized. According to the scheme, the parameter adaptability under the complex hydrological condition is remarkably improved, the theoretical optimal cost boundary is approached, and the algae control interruption risk is reduced.

A luminaire comprising two light source groups, each comprising at least one light source (1, 2), and an optical element (3), wherein the at least one light source (1) of the first light source group is designed to emit light with a first intensity profile (10) for radiating a first light color, which has a first mean intensity value averaged over a wavelength interval between 500 nm and 600 nm, and wherein the at least one light source (2) of the second light source group is designed to emit light with a second intensity profile (20) for radiating a second light color, which has a second mean intensity value averaged over the wavelength interval, wherein the first and the second intensity profiles differ, wherein the light sources (1, 2) of the light source groups are arranged on a light entry side of the optical element (3) and are thus arranged relative to the optical element (3),that the light emitted by them enters the optical element (3) at the light entry side of the optical element (3) before exiting at its light exit side, characterized in that the optical element (3) has a transmittance which is less than 60%, in particular between 5% and 60%, in a first wavelength range having a width of at least 50 nm, in particular of at least 80 nm, and which is more than 70%, in particular more than 80%, in a second wavelength range having a width of at least 30 nm, in particular at least 60 nm, and does not overlap with the first wavelength range, wherein a first intensity averaged over the first wavelength range and a second intensity averaged over the second wavelength range of the first intensity profile (10) each amount to at least 10%, in particular at least 15% of the first intensity mean value,and wherein a first intensity averaged over the first wavelength range and a second intensity averaged over the second wavelength range of the second intensity profile (20) are each at least 10%, in particular at least 15% of the second intensity mean value, wherein the at least one light source (1) of the first light source group is designed to emit a warm white light color with a color temperature of less than 3,500 K, and wherein the at least one light source (2) of the second light source group is designed to emit a cold white light color with a color temperature of more than 4,000 K.,

The invention discloses an indoor landscape environment control method, and belongs to the technical field of image processing, and the method comprises the steps: collecting an indoor landscape image, extracting a G channel feature value according to RGB channel value distribution, constructing a green distribution diagram, and carrying out the partitioning of the image, thereby reducing the data size of model processing, facilitating the region classification, and improving the efficiency. According to the method, a vegetation area is found, the density degree of landscape vegetation is calculated, and the landscape illumination is accurately controlled by combining the area of the vegetation area, so that the method for accurately controlling the landscape light intensity according to the density degree of the landscape vegetation and the area of the vegetation area is realized.

A method of configuring a color to be displayed by a lighting device includes: in response to determining that a target color disc mode of a plurality of preset color disc modes is set by a user, obtaining one or more initial color points according to a preset color point selection strategy for the target color disc mode; generating a color disc based on the one or more initial color points, wherein the color disc comprises a plurality of color points, and each of the plurality of color points corresponds to a color; and performing color configuring on the lighting device by using the plurality of color points included in the color disc.

An optical power supply includes a plurality of lasers in a laser array. Each of the plurality of lasers is configured to generate a separate beam of continuous wave laser light. The optical power supply includes a temperature sensor that acquires a temperature associated with the laser array. The optical power supply includes a digital controller that receives notification of the temperature from the temperature senor. The optical power supply includes an optical power adjuster controlled by the digital controller. The optical power adjuster adjusts an optical power level of one or more beams of continuous wave laser light generated by the plurality of lasers to produce an optical power encoding that conveys information about the temperature associated with the laser array as acquired by the temperature sensor. An electro-optic chip receives the beams of continuous wave laser light from the optical power supply and decodes the optical power encoding.

The present invention discloses an optical fiber-based intelligent light-filling system for submerged plants and a control method thereof. The system comprises the following steps: obtaining an environmental image and environmental data of the submerged plant; segmenting the environmental image to obtain a regional environmental image; performing image recognition on the regional environmental image; calculating the biodiversity based on the image recognition result; determining the regional lighting requirement; performing feature extraction on the growth environment; determining a first light-filling requirement and a second light-filling requirement; constructing an intelligent light-filling model for submerged plants; inputting the first light-filling requirement and the second light-filling requirement into the intelligent light-filling model for submerged plants to obtain a light-filling strategy; and performing intelligent light-filling on the submerged plants according to the light-filling strategy. This method not only improves the accuracy and efficiency of optical fiber-based intelligent light-filling for submerged plants, but also has good interpretability and can be directly applied to an optical fiber-based intelligent light-filling system for submerged plants.

Method for carrying out coupled operation of a smart home device (6) located at a location (1) and a motor vehicle (11), wherein a communication connection (19) is established between the smart home device (6) and the motor vehicle (11) by means of a communication device (17) of the smart home device (6) and a communication device (18) of the motor vehicle (11), wherein generated signals directed towards carrying out the coupled operation are transmitted via the communication connection (19) from the smart home device (6) to the motor vehicle (11) and / or vice versa, wherein lighting of the location (1) is realized within the framework of the coupled operation.

Method for operating a MEMS system (1) with at least one projection unit (8) for providing an image by means of at least one light beam and a deflection unit (6) for two-dimensionally deflecting the at least one light beam, comprising the steps: - driving (T1) the deflection unit (6) by means of at least one reference signal (S1, S2) so that the deflection unit (6) deflects the at least one light beam periodically at least two-dimensionally, - measuring (T2) at least one controlled variable of the deflection unit (6) which corresponds to an actual position of the deflected light beam, - determining (T3) a current deviation of the at least one controlled variable from a target variable corresponding to a target position of the light beam, - Calculating (T4) at least one compensation value based on the determined deviation, - Controlling (T5) the deflection unit (6) with respect to the deflection based on the calculated at least one compensation variable for reducing the deviation of the light beam from the target position by means of a repetitive controller as the control unit (3, 7) and / or the projection unit (8) with respect to the image provision based on the calculated at least one compensation variable for reducing the deviation of the light beam from the target position by means of the repetitive controller as the control unit (3, 7), wherein for controlling the deflection unit (6) the at least one compensation variable is additionally calculated based on an earlier deviation in at least one earlier period.

The present invention relates to a street lighting control arrangement (100) comprising a digital key device (110) assigned to a vehicle (120), at least one anchor (130) arranged on a road (250) and configured to establish a communication link with the digital key device (110) and to determine the position of the vehicle (120), at least one street lighting device (140) arranged on a road segment of the road (250), and a control device (150) configured to determine a trajectory (160) of the vehicle (120) based on the position determined by the anchor (130) and to activate and / or deactivate the lighting of road segments along the pre-calculated trajectory (160) of the vehicle (120) by means of the street lighting device (140). The present invention further relates to a street lighting control method.

Light source for illuminating at least one kitchen module, wherein the light source has a ribbon-like structure, wherein the light source comprises at least two segments, wherein the segments can be controlled individually and / or in combination with respect to a luminous intensity and / or a luminous color and / or a temporal luminous gradient and / or a spatial luminous gradient.

A control system for automatedly determining an illumination intensity of at least one light source of a fluorescence microscope is provided. The control system is configured to automatedly determine, after a change in a light path, a control value for the illumination intensity of the at least one light source in order to achieve a desired value of an inspection parameter characterizing sample inspection. The light path comprises at least one of: an illumination path from the at least one light source to the sample and an imaging path from the sample to at least one detector. Determining the control value is based on: (i) a value of the illumination intensity that was set before the change in the light path, (ii) a value of the inspection parameter used before the change in the light path, and (iii) a physical model of the light path.

The present invention discloses a light intensity adaptive adjustment system, method, and medium for flower planting, relating to the field of flower planting technology. The system comprises: a joint matching module for performing joint matching of illumination intervals using growth stage identification results; an optimization module for performing feedback correction of flower growth effects using the matching illumination intervals as the optimization space; a control fitting module for performing control fitting of light sources using the batch optimal illumination trajectory as the tracking target; an individual feedback module for performing individual adaptive illumination adaptation evaluation based on growth tracking markers; and a correction module for performing cluster control feedback of dimmable LED light sources. The system solves the technical problems in the prior art of flower planting light adjustment being unable to adapt to the different growth stages and individual differences of flowers, and lacking in light adjustment precision and flexibility, resulting in poor flower growth quality and quality, thereby achieving the technical effect of improving flower growth quality and flower planting efficiency.

A light control device for controlling the illumination direction (a, b, d) for an optical instrument (10) comprises a plurality of light transmission devices (70, 80, 90), wherein each light transmission device (70, 80, 90) has a light entry surface (72, 82, 92) and at least one light exit surface (76, 86, 96) and is provided and designed to transmit illumination light from the light entry surface (72, 82, 92) to the at least one light exit surface (76, 86, 96), wherein illumination light coupled into the light entry surfaces (72, 82, 92) exits through light exit surfaces (76, 86, 96) of different light transmission devices (70, 80, 90) in different illumination directions (a, b, d); and a controllable coupling device (30; 40; 50;60) for the controllable coupling of illuminating light generated by a light source (60) into the light entry surface (72, 82, 92) of at least one selectable light transmission device (70, 80, 90);

The invention relates to a method for changing at least one lighting state by means of a voice command (2), comprising the steps of receiving and inputting the voice command (2) into a language model (3), interpreting and decomposing the voice command (2) into at least one subtask (4), obtaining at least one lighting feature (6), at least one lighting object (7), and at least one setting option (8) of the lighting feature (6), determining at least one lighting object (7) and at least one lighting feature (6) of the determined lighting object (7) by means of inference with a trained machine learning model (5) with input of the lighting feature (6), the setting option (8), and the subtask (4), and creating a sequence plan (10) by means of inference with the trained machine learning model (5) with input of the determined lighting object (7).of the specific lighting feature (6) and / or the setting option (8) and of changing the lighting state according to the sequence plan (10). Furthermore, the invention relates to a computer system (20) configured to execute the method, and to a computer program product comprising software code sections designed such that the method can be executed by at least one processor.

A device for generating a composite image of a sample includes an illumination unit configured to generate illumination light for illuminating the sample, and an image capture unit configured to generate a first individual image of the sample and a second individual image of the sample. The first individual image corresponds to a first sample region. The second individual image corresponds to a second sample region that is different from the first sample region and overlaps with the first sample region in an overlap region. The device further includes a control unit configured to control the illumination unit in such a way that, when generating each of the first individual image and the second individual image, at least the overlap region is illuminated with a lower intensity of the illumination light than a remaining portion of the first sample region and a remaining portion of the second sample region.

A control method for light sources of a vision machine and the vision machine. The control method includes the following steps: activating at least one first light source among n light sources to sense spatial information of an object in a field of view; and selectively activating the n light sources according to the spatial information of a sensed object; wherein the n light sources are distributed on a periphery of a front mirror surface of a lens of the vision machine, and n is a natural number greater than or equal to 2. The embodiment of the present disclosure enlarges the field of view of the vision machine, capable of providing corresponding light illumination based on environmental requirements, reducing the interference signal caused by reflection of a single light source, expanding the sensing range of the vision machine, and improving the sensing ability.

One example includes an atomic optical reference system. The system includes an optical system comprising a laser configured to generate an optical beam. The system also includes a vapor cell comprising alkali metal atoms that are stimulated in response to a modulated beam corresponding to an amplitude-modulated version of the optical beam. The system also includes a detection system configured to monitor at least one detection signal corresponding to light emitted from or absorbed by the vapor cell and to generate at least one feedback signal in response to the at least one detection signal. The system further includes a beam modulator configured to amplitude-modulate the optical beam to generate the modulated beam and to frequency shift the optical beam to generate an output beam having a stable frequency in response to the at least one feedback signal.

A lighting system for emitting emitted light includes: (a) several independently controlled channels, each channel representing a point in a color space diagram, the several channels including at least: (i) a blue channel with a blue point in the color space diagram; (ii) a cyan channel with a cyan point in the color space diagram; (iii) a red channel with a red point in the color space diagram; and (iv) a violet-pumped low-blue channel with a low-blue point in the color space diagram, the low-blue point lying within a 7-step MacAdam ellipse on the blackbody curve; and (b) a controller for independently controlling each of the multiple channels to vary the emitted light.

Headlight (1) for a vehicle (2) which leans when cornering, in particular for a bicycle (2), comprising a plurality of light sources (3) and a common light-modulating element (4), wherein the light sources (3) interact with the common light-modulating element (4) in such a way that they generate differently aligned light cones (5), wherein the light sources (3) are designed to be individually activated when the vehicle (2) corners in such a way that an illumination of a route of the vehicle (2) is achieved and a shift in a light image (6) of the headlight (1) caused by the inclination of the vehicle (2) is at least partially compensated.