Three-color LED array light source control method and system

Abstract

The invention relates to the technical field of industrial deviation correction sensors, in particular to a three-color LED array light source control method and system. Comprising the following steps: constructing an LED linear array and a signal conversion model; establishing an operation record library, and setting a light source control strategy according to the operation record library and the to-be-detected object; setting control parameters of the LED linear array according to the light source control strategy and the signal conversion model; an LED linear array is constructed based on a full-independent cathode control structure, and the color switching of a light supplementing light source is realized by controlling the voltage duty ratios of different colors, so that the light supplementing requirements of different detected objects are met, and the maintenance cost of the sensor is reduced. The operation parameters of the LED linear array are dynamically adjusted through the signal conversion model and the operation record library, the optimal light supplementing color and light supplementing intensity of the object to be detected are matched, the optimal image recognition effect is achieved, and the light supplementing efficiency of the industrial deviation correction sensor is improved.

Description

Technical Field

[0001] This application relates to the field of industrial correction sensor technology, and in particular to a method and system for controlling a three-color LED array light source. Background Technology

[0002] The principle of industrial web guiding sensors is to receive the light reflected back from the material being measured using a CCD, and then analyze the image using grayscale or RGB values ​​to identify the desired image. This allows for real-time detection of the material offset on the rollers, thus correcting the material's position and ensuring it remains within its designated location during transport.

[0003] Existing industrial alignment sensors typically use only one color of supplementary light source. However, in real-world applications, the materials to be detected are diverse, and different colors of light have varying reflectivities and absorptivity for different materials. Therefore, to achieve the best image recognition results, different colored light panels need to be used before detecting different materials. This significantly increases both the sensor's maintenance and production costs. Summary of the Invention

[0004] The purpose of this application is to provide a three-color LED array light source control method and system to solve the above-mentioned technical problems, which aims to improve the supplementary lighting efficiency of industrial correction sensors and reduce the maintenance cost of sensors.

[0005] In some embodiments of this application, an LED linear array is constructed based on a fully independent cathode control structure. By controlling the voltage duty cycle of different colors, the color of the supplementary light source is switched, thereby adapting to the supplementary lighting needs of different detected objects and reducing the maintenance cost of the sensor.

[0006] In some embodiments of this application, the operating parameters of the LED linear array are dynamically adjusted through a signal conversion model and an operation log library to match the optimal fill light color and fill light intensity of the object to be detected, thereby achieving the best image recognition effect and improving the fill light efficiency of the industrial correction sensor.

[0007] In some embodiments of this application, a method for controlling a three-color LED array light source is provided, including: Construct an LED linear array and signal conversion model; Establish an operation record library, and set a light source control strategy based on the operation record library and the object to be detected; The control parameters of the LED linear array are set according to the light source control strategy and signal conversion model; The LED linear array includes multiple groups of LED units; Each LED unit includes: a single red LED chip, a single green LED chip, a single yellow LED chip, and a driving structure.

[0008] In some embodiments of the present application, the construction of the signal conversion model includes: Sequentially select target colors according to a preset color set; Generate a duty ratio group for the target color; Sequentially generate duty ratio groups for each color in the color set; Construct a color signal model based on all duty ratio groups; Construct a brightness signal model; Construct a signal conversion model based on the color signal model and the brightness signal model.

[0009] In some embodiments of the present application, the establishment of the operation record library includes: Select multiple object sub-components according to historical record data; Establish a sequence of object sub-components A, A = (a1, a2... ai... an), where ai is the i-th object sub-component; n is the number of object sub-components; Sequentially set ai as the target sub-component according to the sequence of object sub-components A; Set the light source sub-strategy and detection frequency value of the target sub-component according to historical record data; The light source sub-strategy includes: expected color and expected brightness; Sequentially generate the light source sub-strategy and detection frequency value of each object sub-component; Establish a scanning sequence according to all detection frequency values; Establish an identification sub-model according to all object sub-components; Construct an operation record library, which includes: all light source sub-strategies, identification sub-model and scanning sequence.

[0010] In some embodiments of the present application, the establishment of the scanning sequence according to all detection frequency values includes: Set multiple basic sub-strategies according to the structural parameters of the LED linear array; Preset a detection frequency value threshold B1; If B1 < bi (i = 1, 2... n), set the light source sub-strategy of the i-th object sub-component as the basic sub-strategy; Where bi is the detection frequency value of the i-th object sub-component; n is the number of object sub-components; Establish a scanning sequence according to all basic sub-strategies and all basic sub-strategies.

[0011] In some embodiments of the present application, the setting of the light source control strategy includes: Judge whether the object to be detected is an object sub-component in the sequence of object sub-components A according to the identification sub-model; If the judgment result is yes, set the light source sub-strategy of the object sub-component corresponding to the object to be detected as the light source control strategy; If the judgment result is negative, the light source control strategy is set according to the scanning sequence; Obtain the execution record data of the light source control strategy, and determine whether to generate a correction instruction based on the execution record data.

[0012] In some embodiments of this application, the step of setting the light source control strategy according to the scanning sequence includes: Execution instructions for generating the scan sequence; According to the execution instructions, acquire multiple sets of image data and establish image sequence B; B = (b1, b2, ..., bi, ..., bm), where m is the number of basic sub-policies in the scan sequence; bi is the image acquired by executing the i-th basic sub-policy; Based on the image sequence B, bi is sequentially set as the target image; Generate an image evaluation value for the target image; Image evaluation values ​​are generated sequentially for each image, and a gradient model is established based on all image evaluation values. A light source control strategy is generated based on a gradient model.

[0013] In some embodiments of this application, a three-color LED array light source control system is provided, including: LED linear array, comprising multiple groups of LED units; A single LED unit includes: a single red LED chip, a single green LED chip, a single yellow LED chip, and a driving structure; The central control unit includes: The first control module is used to establish the signal conversion model; The second control module is used to establish an operation record library. The second control module is also used to set a light source control strategy based on the operation record library and the object to be detected. The third control module is used to set the control parameters of the LED linear array according to the light source control strategy and signal conversion model.

[0014] In some embodiments of this application, the first control module is further configured to: Select the target colors sequentially according to the preset color set; Generate a set of duty cycle values ​​for the target color; The duty cycle value group of each color in the color set is generated sequentially; Construct a color signal model based on all duty cycle value groups; Construct a luminance signal model; A signal conversion model is constructed based on the color signal model and the luminance signal model.

[0015] In some embodiments of the present application, the second control module is further configured to: Select multiple object sub-components according to historical record data; Establish an object sub-component sequence A, A = (a1, a2... ai... an), where ai is the i-th object sub-component; n is the number of object sub-components; Successively set ai as the target sub-component according to the object sub-component sequence A; Set the light source sub-strategy and detection frequency value of the target sub-component according to historical record data; The light source sub-strategy includes: expected color and expected brightness; Successively generate the light source sub-strategy and detection frequency value of each object sub-component; Establish a scanning sequence according to all detection frequency values; Establish an identification sub-model according to all object sub-components; Construct an operation record library, which includes: all light source sub-strategies, identification sub-models and scanning sequences; Among them, establishing a scanning sequence includes: Set multiple basic sub-strategies according to the structural parameters of the LED linear array; Preset a detection frequency value threshold B1; If B1 < bi (i = 1, 2... n), set the light source sub-strategy of the i-th object sub-component as the basic sub-strategy; Among them, bi is the detection frequency value of the i-th object sub-component; n is the number of object sub-components; Establish a scanning sequence according to all basic sub-strategies and all basic sub-strategies.

[0016] In some embodiments of the present application, the second control module is further configured to: Judge whether the object to be detected is an object sub-component in the object sub-component sequence A according to the identification sub-model; If the judgment result is yes, set the light source sub-strategy of the object sub-component corresponding to the object to be detected as the light source control strategy; If the judgment result is no, set the light source control strategy according to the scanning sequence; Obtain the execution record data of the light source control strategy, and judge whether to generate a correction instruction according to the execution record data; The setting of the light source control strategy according to the scanning sequence includes: Generate an execution instruction for the scanning sequence; Obtain multiple groups of image data according to the execution instruction and establish an image sequence B; B = (b1, b2... bi... bm), where m is the number of basic sub-strategies in the scanning sequence; bi is the image collected by executing the i-th basic sub-strategy; Based on the image sequence B, bi is sequentially set as the target image; Generate an image evaluation value for the target image; Image evaluation values ​​are generated sequentially for each image, and a gradient model is established based on all image evaluation values. A light source control strategy is generated based on a gradient model.

[0017] Compared with the prior art, the advantages of the tri-color LED array light source control method and system disclosed in this application are as follows: An LED linear array is constructed based on a fully independent cathode control structure. By controlling the voltage duty cycle of different colors, the color of the supplementary light source can be switched, thereby adapting to the supplementary lighting needs of different detected objects and reducing the maintenance cost of the sensor.

[0018] By dynamically adjusting the operating parameters of the LED linear array using a signal conversion model and operation log library, the optimal fill light color and intensity are matched to the object to be detected, achieving the best image recognition effect and improving the fill light efficiency of industrial correction sensors. Attached Figure Description

[0019] Figure 1 This is a flowchart illustrating a preferred embodiment of a three-color LED array light source control method according to the present application. Detailed Implementation

[0020] The specific embodiments of this application will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this application, but are not intended to limit the scope of this application.

[0021] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0022] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0024] like Figure 1 As shown, a preferred embodiment of this application provides a method for controlling a three-color LED array light source, comprising: S101: Constructing an LED linear array and signal conversion model; S102: Establish an operation record library and set a light source control strategy based on the operation record library and the object to be detected; S103: Set the control parameters of the LED linear array according to the light source control strategy and signal conversion model; The LED linear array includes multiple groups of LED units; Each LED unit includes: a single red LED chip, a single green LED chip, a single yellow LED chip, and a driving structure.

[0025] Specifically, a linear array of LEDs with multiple rows is constructed, where a single row of LEDs is an LED unit, and a single LED unit integrates red LED chips, green LED chips, and yellow LED chips.

[0026] Specifically, the driving structure of a single LED unit adopts a fully independent cathode control architecture. The anodes of the three LED chips are connected in parallel to a constant current driving power supply. Each LED chip has an independent cathode circuit and is connected to a dedicated IO pin of the microcontroller. Color switching is achieved by controlling the duty cycle through each IO pin.

[0027] Specifically, the LED linear array also includes multiple independent control channels, each corresponding to a "color-position" unit (such as "first row red" and "second row green"), and multiple PWM generators that can generate PWM signals corresponding to each independent channel in real time.

[0028] Specifically, constructing a signal conversion model includes: Select the target colors sequentially according to the preset color set; Generate a set of duty cycle values ​​for the target color; Generate duty cycle value groups for each color in the color set sequentially; Construct a color signal model based on all duty cycle value groups; Construct a luminance signal model; A signal conversion model is constructed based on the color signal model and the luminance signal model.

[0029] Specifically, the color set includes multiple categories of colors. Through real-time calculation, the PWM duty cycle value corresponding to each control channel is generated when the LED array outputs the target color. Based on all the PWM duty cycle values, a duty cycle value group corresponding to the target color is generated.

[0030] Specifically, by setting all scaling factors, the duty cycle of all control channels is synchronously and linearly adjusted to achieve brightness adjustment, and a brightness signal model is constructed based on the scaling factors.

[0031] It is understood that in the above embodiments, an LED linear array is constructed based on a fully independent cathode control structure. By controlling the voltage duty cycle of different colors, the color of the supplementary light source is switched, thereby adapting to the supplementary lighting needs of different detected objects and reducing the maintenance cost of the sensor.

[0032] In a preferred embodiment of this application, the establishment of an operation record database includes: Select multiple object sub-components based on historical data; Establish a sequence A of object sub-components, A = (a1, a2, ..., ai, ..., an), where ai is the i-th object sub-component and n is the number of object sub-components; Based on the sequence of object sub-components A, ai is sequentially set as the target sub-component; Set the light source sub-strategy and detection frequency value for the target sub-component based on historical data; The light source sub-strategy includes: desired color and desired brightness; The light source sub-strategy and detection frequency value of each object sub-component are generated sequentially; A scanning sequence is established based on all detection frequency values; Establish a recognition sub-model based on all object components; Construct an operation log library, which includes: all light source sub-strategies, recognition sub-models, and scan sequences.

[0033] Specifically, historical data refers to the objects detected by the correction sensor and the control parameters of the LED linear array during detection. By screening and analyzing all historically detected objects, multiple object sub-components are generated, where each object sub-component represents a type of historically detected object.

[0034] Specifically, the identification features of each object component are extracted to establish an identification sub-model. The identification sub-model can be used to quickly determine whether the object to be detected is a previously detected object.

[0035] Specifically, a corresponding detection frequency value is set according to the historical detection times of the object sub-component. The more historical detection times there are, the larger the corresponding detection frequency value. The mapping relationship between the two can be set according to historical parameters.

[0036] Specifically, all control parameters corresponding to the target sub-component in the historical record data are analyzed and screened to generate a corresponding light source sub-strategy.

[0037] Specifically, the expected color in the light source sub-strategy refers to the best color when detecting the object corresponding to the target sub-component. Similarly, the expected brightness refers to the best brightness when detecting the object corresponding to the target sub-component. Through the light source sub-strategy, the best supplementary lighting for the object corresponding to the target sub-component can be achieved, improving the supplementary lighting efficiency of the industrial deviation correction sensor.

[0038] Specifically, a scanning sequence is established based on all detection frequency values, including: Setting multiple basic sub-strategies according to the structural parameters of the LED linear array; Presetting a detection frequency value threshold B1; If B1 < bi (i = 1, 2... n), set the light source sub-strategy of the i-th object sub-component as the basic sub-strategy; where bi is the detection frequency value of the i-th object sub-component; n is the number of object sub-components; Establish a scanning sequence based on all basic sub-strategies and all basic sub-strategies.

[0039] Specifically, the basic sub-strategy set according to the structural parameters of the LED linear array includes using pure color light sources (pure white, pure red, pure blue, and pure green) to illuminate and scan the object to be detected.

[0040] Specifically, the detection frequency value threshold can be set according to historical parameters. When the detection frequency value of a single object sub-component is greater than the preset detection frequency value threshold, it indicates that the object sub-component is typical in the current enterprise, and the call and switching efficiency of its corresponding light source sub-strategy is relatively high.

[0041] Specifically, by establishing a scanning sequence, illuminating and scanning the object to be detected using multiple typical supplementary lighting modes, synchronously collecting the corresponding images, and performing optimization calculations using all the collected images, the best color-brightness combination parameters can be quickly determined, improving the supplementary lighting efficiency for different objects.

[0042] In the preferred embodiment of the present application, a light source control strategy is set, including: Judging whether the object to be detected is an object sub-component in the object sub-component sequence A according to the recognition sub-model; If the judgment result is yes, set the light source sub-strategy of the object sub-component corresponding to the object to be detected as the light source control strategy; If the judgment result is negative, the light source control strategy is set according to the scanning sequence; Obtain the execution record data of the light source control strategy, and determine whether to generate a correction instruction based on the execution record data.

[0043] Specifically, for a known model of the object under test (i.e., the historically detected objects corresponding to each object sub-component in the object sub-component sequence), the corresponding light source sub-strategy is quickly invoked to complete the supplementary lighting control for the LED linear array. This improves the supplementary lighting efficiency of industrial correction sensors.

[0044] Specifically, based on the execution data generated by the light source control strategy, it is determined whether the detected object corresponding to the current light source control strategy is a newly added object. If it is a newly added object, a first-level correction instruction is generated. The execution record data is filtered and analyzed according to the first-level correction instruction to generate a single object component (i.e., the newly added object) and a corresponding light source sub-strategy (by judging whether the image quality of the acquired object to be detected meets the expected requirements; if it meets the expected requirements, the light source control strategy is set to the light source sub-strategy corresponding to the newly added object; if it does not meet the expected requirements, the color parameters and brightness parameters in the light source control strategy are optimized, and the corresponding light source sub-strategy is generated based on the optimization results), and stored in the operation record library.

[0045] Specifically, if the detected object is not a newly added object, it is determined whether the image quality in the execution record data meets the expected requirements. If not, a secondary correction instruction is generated to optimize the light source control strategy and simultaneously update the corresponding light source sub-strategy in the operation record library.

[0046] Specifically, the light source control strategy is set according to the scanning sequence, including: Execution instructions for generating the scan sequence; According to the execution instructions, acquire multiple sets of image data and establish image sequence B; B = (b1, b2, ..., bi, ..., bm), where m is the number of basic sub-policies in the scan sequence; bi is the image acquired by executing the i-th basic sub-policy; Based on the image sequence B, bi is sequentially set as the target image; Generate an image evaluation value for the target image; Image evaluation values ​​are generated sequentially for each image, and a gradient model is established based on all image evaluation values. A light source control strategy is generated based on a gradient model.

[0047] Specifically, all basic sub-policies in the scanning sequence are executed sequentially, and the image evaluation value of each image is calculated by acquiring the corresponding images.

[0048] Specifically, the image evaluation value is set based on three parameters: contrast, sharpness, and signal-to-noise ratio. The higher the image evaluation value, the better the image quality.

[0049] Specifically, a gradient model is constructed using gradient descent and all image evaluation values. The gradient model automatically converges to the optimal color-brightness combination parameters of the object to be detected, thereby generating the corresponding light source control strategy.

[0050] It is understood that in the above embodiments, the operating parameters of the LED linear array are dynamically adjusted by the signal conversion model and operation log library to match the optimal fill light color and fill light intensity of the object to be detected, thereby achieving the best image recognition effect and improving the fill light efficiency of the industrial correction sensor.

[0051] In another preferred embodiment of the three-color LED array light source control method based on any of the above preferred embodiments, this preferred embodiment provides a three-color LED array light source control method, including: LED linear array, comprising multiple groups of LED units; A single LED unit includes: a single red LED chip, a single green LED chip, a single yellow LED chip, and a driving structure; The central control unit includes: The first control module is used to establish the signal conversion model; The second control module is used to establish an operation record library. The second control module is also used to set the light source control strategy based on the operation record library and the object to be detected. The third control module is used to set the control parameters of the LED linear array according to the light source control strategy and signal conversion model.

[0052] In a preferred embodiment of this application, the first control module is further configured to: Select the target colors sequentially according to the preset color set; Generate a set of duty cycle values ​​for the target color; Generate duty cycle value groups for each color in the color set sequentially; Construct a color signal model based on all duty cycle value groups; Construct a luminance signal model; A signal conversion model is constructed based on the color signal model and the luminance signal model.

[0053] In a preferred embodiment of this application, the second control module is further configured to: Select multiple object sub-components based on historical data; Establish a sequence A of object sub-components, A = (a1, a2, ..., ai, ..., an), where ai is the i-th object sub-component and n is the number of object sub-components; Set ai as the target sub-component in sequence according to the object sub-component sequence A; Set the light source sub-strategy and detection frequency value of the target sub-component according to the historical record data; The light source sub-strategy includes: expected color and expected brightness; Generate the light source sub-strategy and detection frequency value of each object sub-component in sequence; Establish a scanning sequence according to all the detection frequency values; Establish an identification sub-model according to all the object sub-components; Construct an operation record library, which includes: all the light source sub-strategies, the identification sub-model and the scanning sequence; Among them, establishing the scanning sequence includes: Set multiple basic sub-strategies according to the structural parameters of the LED linear array; Preset the detection frequency value threshold B1; If B1 < bi (i = 1, 2... n), set the light source sub-strategy of the i-th object sub-component as the basic sub-strategy; Among them, bi is the detection frequency value of the i-th object sub-component; n is the number of object sub-components; Establish a scanning sequence according to all the basic sub-strategies and all the basic sub-strategies.

[0054] In the preferred embodiment of the present application, the second control module is further used for: Judge whether the object to be detected is an object sub-component in the object sub-component sequence A according to the identification sub-model; If the judgment result is yes, set the light source sub-strategy of the object sub-component corresponding to the object to be detected as the light source control strategy; If the judgment result is no, set the light source control strategy according to the scanning sequence; Obtain the execution record data of the light source control strategy, and judge whether to generate a correction instruction according to the execution record data; Setting the light source control strategy according to the scanning sequence includes: Generate an execution instruction for the scanning sequence; Obtain multiple groups of image data according to the execution instruction and establish an image sequence B; B = (b1, b2... bi... bm), where m is the number of basic sub-strategies in the scanning sequence; bi is the image collected by executing the i-th basic sub-strategy; Set bi as the target image in sequence according to the image sequence B; Generate an image evaluation value for the target image; Generate the image evaluation value of each image in sequence, and establish a gradient model according to all the image evaluation values; Generate the light source control strategy according to the gradient model.

[0055] According to the first concept of this application, an LED linear array is constructed based on a fully independent cathode control structure. By controlling the voltage duty cycle of different colors, the color of the supplementary light source is switched, thereby adapting to the supplementary lighting needs of different detected objects and reducing the maintenance cost of the sensor.

[0056] According to the second concept of this application, the operating parameters of the LED linear array are dynamically adjusted by using a signal conversion model and an operation log library to match the optimal fill light color and fill light intensity of the object to be detected, thereby achieving the best image recognition effect and improving the fill light efficiency of the industrial correction sensor.

[0057] The above description is only a preferred embodiment of this application. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of this application, and these improvements and substitutions should also be considered within the scope of protection of this application.

Claims

1. A method for controlling a three-color LED array light source, characterized in that, Comprising: Constructing an LED linear array and a signal conversion model; Establishing an operation record library, and setting a light source control strategy according to the operation record library and the object to be detected; Setting control parameters of the LED linear array according to the light source control strategy and the signal conversion model; Among them, the LED linear array includes multiple groups of LED units; Among them, a single group of LED units includes: a single red LED chip, a single green LED chip, a single yellow LED chip and a driving structure.

2. The three-color LED array light source control method as described in claim 1, characterized in that, The constructing of the signal conversion model includes: Sequentially selecting target colors according to a preset color set; Generating a duty ratio group of the target color; Sequentially generating duty ratio groups of each color in the color set; Constructing a color signal model according to all duty ratio groups; Constructing a brightness signal model; Constructing a signal conversion model according to the color signal model and the brightness signal model.

3. The three-color LED array light source control method as described in claim 2, characterized in that, The establishing of the operation record library includes: Selecting multiple object sub-parts according to historical record data; Establishing an object sub-part sequence A, A = (a1, a2…ai…an), where ai is the i-th object sub-part; n is the number of object sub-parts; Sequentially setting ai as the target sub-part according to the object sub-part sequence A; Setting the light source sub-strategy and the detection frequency value of the target sub-part according to historical record data; The light source sub-strategy includes: expected color and expected brightness; Sequentially generating the light source sub-strategies and detection frequency values of each object sub-part; Establishing a scanning sequence according to all detection frequency values; Establishing an identification sub-model according to all object sub-parts; Constructing an operation record library, and the operation record library includes: all light source sub-strategies, the identification sub-model and the scanning sequence.

4. The three-color LED array light source control method as described in claim 3, characterized in that, The establishing of the scanning sequence according to all detection frequency values includes: Setting multiple basic sub-strategies according to the structural parameters of the LED linear array; Presetting a detection frequency value threshold B1; If B1 < bi (i = 1, 2…n), setting the light source sub-strategy of the i-th object sub-part as the basic sub-strategy; Among them, bi is the detection frequency value of the i-th object sub-part; n is the number of object sub-parts; Establishing a scanning sequence according to all basic sub-strategies and all basic sub-strategies.

5. The three-color LED array light source control method as described in claim 3, characterized in that, The setting of the light source control strategy includes: Judging whether the object to be detected is an object sub-part in the object sub-part sequence A according to the identification sub-model; If the judgment result is yes, setting the light source sub-strategy of the object sub-part corresponding to the object to be detected as the light source control strategy; If the judgment result is no, setting the light source control strategy according to the scanning sequence; Obtaining the execution record data of the light source control strategy, and judging whether to generate a correction instruction according to the execution record data.

6. The three-color LED array light source control method as described in claim 4, characterized in that, The setting of the light source control strategy according to the scanning sequence includes: Generating an execution instruction of the scanning sequence; Obtaining multiple groups of image data according to the execution instruction and establishing an image sequence B; B = (b1, b2…bi…bm), where m is the number of basic sub-strategies in the scanning sequence; bi is the image collected by executing the i-th basic sub-strategy; Sequentially setting bi as the target image according to the image sequence B; ​ ​ ​ 7. A three-color LED array light source control system, employing the three-color LED array light source control method according to any one of claims 1-6, characterized in that, ​ ​ Among them, a single group of LED units includes: a single red LED chip, a single green LED chip, a single yellow LED chip, and a driving structure; The central control unit includes: The first control module is used to establish a signal conversion model; The second control module is used to establish an operation record library, and the second control module is also used to set a light source control strategy according to the operation record library and the object to be detected; The third control module is used to set the control parameters of the LED linear array according to the light source control strategy and the signal conversion model.

8. The three-color LED array light source control system as described in claim 7, characterized in that, The first control module is further used to: Select target colors in sequence according to a preset color set; Generate a duty ratio group of the target color; Generate duty ratio groups of each color in the color set in sequence; Construct a color signal model according to all duty ratio groups; Construct a brightness signal model; Construct a signal conversion model according to the color signal model and the brightness signal model.

9. The three-color LED array light source control system as described in claim 8, characterized in that, The second control module is further used to: Select multiple object sub-components according to historical record data; Establish an object sub-component sequence A, A = (a1, a2... ai... an), where ai is the i-th object sub-component; n is the number of object sub-components; Set ai as the target sub-component in sequence according to the object sub-component sequence A; Set the light source sub-strategy and detection frequency value of the target sub-component according to historical record data; The light source sub-strategy includes: expected color and expected brightness; Generate the light source sub-strategies and detection frequency values of each object sub-component in sequence; Establish a scanning sequence according to all detection frequency values; Establish an identification sub-model according to all object sub-components; Construct an operation record library, and the operation record library includes: all light source sub-strategies, identification sub-model, and scanning sequence; Among them, establishing a scanning sequence includes: Set multiple basic sub-strategies according to the structural parameters of the LED linear array; Preset a detection frequency value threshold B1; If B1 < bi (i = 1, 2... n), set the light source sub-strategy of the i-th object sub-component as the basic sub-strategy; Where bi is the detection frequency value of the i-th object sub-component; n is the number of object sub-components; Establish a scanning sequence according to all basic sub-strategies and all basic sub-strategies.

10. The three-color LED array light source control system as described in claim 9, characterized in that, The second control module is further used to: Judge whether the object to be detected is an object sub-component in the object sub-component sequence A according to the identification sub-model; If the judgment result is yes, set the light source sub-strategy of the object sub-component corresponding to the object to be detected as the light source control strategy; If the judgment result is no, set the light source control strategy according to the scanning sequence; Obtain the execution record data of the light source control strategy, and judge whether to generate a correction instruction according to the execution record data; Setting the light source control strategy according to the scanning sequence includes: Generate an execution instruction for the scanning sequence; Obtain multiple groups of image data according to the execution instruction and establish an image sequence B; B = (b1, b2... bi... bm), where m is the number of basic sub-strategies in the scanning sequence; bi is the image collected by executing the i-th basic sub-strategy; Set bi as the target image in sequence according to the image sequence B; Generate an image evaluation value of the target image; Generate the image evaluation values of each image in sequence, and establish a gradient model according to all image evaluation values; Generate a light source control strategy according to the gradient model.

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