Self-adaptive regulation and control system for brightness of lamp bead of car lamp
Through the adaptive control system of headlight brightness, information feedback and environmental analysis are used to solve the problems of inaccurate lighting and insufficient stability of headlight beads, thereby improving the lighting effect and enhancing driving safety.
Patent Information
- Application Number
- CN202510955728.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-11
- Publication Date
- 2025-10-03
AI Technical Summary
Existing automobile lighting control systems are unable to safely supervise the lighting of headlight beads, resulting in reduced lighting accuracy and stability, inability to reasonably control lighting interference factors, and inability to match lighting information according to brightness conditions, affecting driving safety.
A vehicle lamp bead brightness adaptive control system is designed. Through the vehicle lamp central control platform, lighting information library, lighting effect obstruction analysis unit, interference level acquisition unit, deviation coefficient analysis unit and regional control analysis unit, information feedback control of the vehicle lamp bead is realized, lighting is adjusted according to environmental and road information, and lighting accuracy and stability are improved.
The lighting effect and stability of the headlight beads are improved, the impact of the strong light of the headlight beads on other vehicles is reduced, and driving safety is enhanced.
Smart Images

Figure CN120751559A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of lamp bead brightness control, and in particular to a vehicle lamp lamp bead brightness adaptive control system. Background Art
[0002] With the rapid development of the automotive industry and consumers' growing demand for driving safety, comfort, and intelligence, automotive lighting control, as a vital part of the vehicle, has evolved from simple to complex, from mechanical to electronic, and from single function to integrated intelligence. Early automotive lighting control systems relied mainly on simple mechanical switches, which drivers manually operated to switch between high and low beams, turn signals, and brake lights. These controls presented numerous deficiencies in safety, usability, and intelligence. With the advancement of electronic technology, automotive lighting control systems have gradually become electronic.
[0003] However, in the existing technology, it is impossible to safely supervise the lighting effect of the headlight beads of the target vehicle, which affects the subsequent lighting accuracy and stability of the headlight beads. At the same time, it is impossible to reasonably control the interference factors of the lighting, resulting in reduced lighting efficiency of the headlight beads. It is also impossible to reasonably match the lighting information according to the brightness and darkness, which is not conducive to the accurate adjustment of the lighting brightness of the headlight beads. It is also impossible to reasonably adjust the regional light brightness according to the position of the vehicle on the road, thereby increasing driving risks.
[0004] In view of the above technical defects, a solution is now proposed. Summary of the Invention
[0005] The purpose of the present invention is to provide a system for adaptively controlling the brightness of headlight beads to solve the technical defects mentioned above. The present invention analyzes the lighting performance and external interference performance of each headlight bead so as to manage and adjust the headlight beads and interference factors according to the information feedback so as to improve the lighting effect and lighting stability of the headlight beads. The lighting adaptive control analysis is performed on the environmental information by means of information feedback so as to adjust the lighting information of the headlight beads according to the information feedback so as to improve the lighting accuracy and lighting effect of the headlight beads. The lighting is adaptively matched to the appropriate lighting information according to the brightness of the environment so as to improve the lighting control effect of the headlight beads. The driving road information is automatically divided and matched in a progressive manner so as to adjust the lighting brightness of the corresponding headlight bead area so as to reduce the impact of the strong light of the headlight beads of the target vehicle on the driving of other vehicles, thereby helping to improve driving safety.
[0006] The object of the present invention can be achieved by the following technical solution: a vehicle lamp bead brightness adaptive control system, comprising a vehicle lamp central control platform, a lighting information library, a lighting effect obstruction analysis unit, a lighting effect interference level acquisition unit, a lighting deviation coefficient analysis unit, a regional lighting control analysis unit, and a control management unit;
[0007] The vehicle lamp central control platform is used to retrieve the lighting risk information of each lamp bead in the target vehicle lamp from the lighting information library, and send the lighting risk information to the lighting effect obstruction analysis unit;
[0008] The lighting effect obstruction analysis unit is used to perform a period lighting effect abnormality risk supervision analysis on the lighting risk information received from each headlight bead, compare and analyze the obtained lighting effect obstruction coefficient D, and obtain a stable lighting signal or a lighting management signal;
[0009] The lighting effect interference level acquisition unit is used to collect the lighting interference information of the headlight beads, and at the same time perform lighting effect interference obstruction supervision assessment analysis on the lighting interference information to obtain the lighting effect interference level DD;
[0010] The lighting deviation coefficient analysis unit is used to respond to the stable lighting signal and collect environmental information of the target vehicle's environment, while performing lighting adaptive control analysis on the environmental information, and performing discrimination processing on the obtained lighting deviation coefficient to obtain a standard signal or a deviation signal;
[0011] The regional lighting control and analysis unit is used to respond to standard signals and collect the driving road information of the target vehicle. At the same time, it automatically divides and matches the lighting light on the driving road information to obtain a control signal or not generate any signal.
[0012] Preferably, the lighting effect obstruction analysis unit's period lighting effect abnormality risk supervision analysis process is as follows:
[0013] The time threshold is divided into i sub-time periods, where i is a natural number greater than zero. The lighting risk information of each headlight bead in each sub-time period is obtained. The lighting performance information includes the lighting flickering frequency and flickering duration. The number of times the corresponding value of the lighting risk information of each headlight bead exceeds the preset threshold is obtained, and it is set as the lighting effect fault index. The lighting effect fault index is then judged and processed. If the lighting effect fault index = 0, a normal signal is generated. If the lighting effect fault index ≠ 0, a fault signal is generated.
[0014] Preferably, the ratio between the number of sub-time periods corresponding to the generation of the fault signal and the number of sub-time periods corresponding to the normal signal is obtained, and is set as the time period lighting efficiency evaluation coefficient, and the time period lighting efficiency evaluation coefficient is compared and analyzed with a preset time period lighting efficiency evaluation coefficient threshold. If the ratio between the time period lighting efficiency evaluation coefficient and the preset time period lighting efficiency evaluation coefficient threshold is less than or equal to 1, it is determined that the corresponding headlight lamp beads are normal lamp beads, and the ratio of the corresponding number of normal lamp beads to the total number of headlight lamp beads is obtained and set as the time period lighting efficiency coefficient;
[0015] Obtain the lighting effect interference level DD of the current headlight bead, substitute the lighting effect coefficient of the time period and the lighting effect interference level DD into the formula to obtain the lighting effect obstruction coefficient D, compare and analyze the lighting effect obstruction coefficient D with the preset lighting effect obstruction coefficient threshold to obtain a stable lighting signal or a lighting management signal.
[0016] Preferably, the lighting effect interference hindrance supervision assessment and analysis process of the lighting effect interference level acquisition unit is as follows: the lighting interference information of the headlight beads within the time threshold is acquired, the lighting interference information includes the lampshade surface feature image and the adhesion risk value, the number of lighting occlusion index and adhesion risk value greater than or equal to the preset lighting occlusion index threshold and the preset adhesion risk value threshold is acquired, and it is set as the lighting effect interference index, the lighting effect interference index is discriminated and processed to obtain first-level interference, second-level interference and third-level interference, and the first-level interference, second-level interference and third-level interference are set as the lighting effect interference level DD, DD=v1, v2, v3, 0<v1<v2<v3.
[0017] Preferably, the difference between the lampshade surface feature image and the preset standard surface feature image is set as the lighting occlusion index; the adhesion risk value represents the sum of the time from the last cleaning time of the lampshade to the current time and the total night driving time.
[0018] Preferably, the lighting adaptive control analysis process of the lighting deviation coefficient analysis unit is as follows:
[0019] The power-on period of the headlight beads is collected and set as a time threshold, and environmental information of the environment in which the headlight beads are located within the time threshold is obtained, the environmental information representing the ambient brightness value, and the ambient brightness value is compared and analyzed with a preset ambient brightness value range to obtain lighting information when the ambient brightness value is within the corresponding preset ambient brightness value range, the lighting information including lighting power and lighting luminous flux;
[0020] The actual lighting information of the headlight beads within the time threshold is obtained, the number of times the corresponding value of the actual lighting information deviates from the corresponding value of the lighting information is obtained, and it is set as the lighting deviation coefficient, and the lighting deviation coefficient is judged and processed to obtain a standard signal or a deviation signal.
[0021] Preferably, the automatic division and matching analysis process of the lighting light of the regional lighting control and analysis unit is as follows:
[0022] Obtain the target vehicle's driving direction within the time threshold, divide the target vehicle's driving direction into the same-direction channel vehicle, the right vehicle, and the left vehicle, and divide the target vehicle's headlight beads into the left area, the middle area, and the right area according to the driving direction division method;
[0023] The driving road information of the target vehicle within the time threshold is obtained, and the driving road information includes whether there is a vehicle and whether there is no vehicle. The driving road information of the target vehicle is subjected to vehicle discrimination analysis. If there is a vehicle in the driving direction, a feedback instruction is generated. When the feedback instruction is generated, the straight-line distance between the vehicle corresponding to the feedback instruction and the target vehicle is obtained, and the straight-line distance is discriminated and processed. If the straight-line distance falls within a preset straight-line distance range, a light control instruction is generated.
[0024] Preferably, when generating a light control instruction, it is obtained that the vehicle in the driving direction is located in the area of the headlight beads of the target vehicle, and then the lighting brightness of the headlight beads in the area is obtained, and the lighting brightness is judged and processed to generate a control signal or not generate any signal.
[0025] The beneficial effects of the present invention are as follows:
[0026] (1) The present invention analyzes the lighting performance and external interference performance of each headlight bead, and further analyzes the overall lighting effect safety based on the lighting performance of the lamp bead, thereby determining whether the overall lighting effect abnormality risk of the headlight bead is too high, so as to manage and adjust the headlight bead and interference factors based on the information feedback to improve the lighting effect and lighting stability of the headlight bead;
[0027] (2) The present invention performs adaptive lighting control analysis on environmental information through information feedback, so as to adjust the lighting information of the headlight beads according to the information feedback, so as to improve the lighting accuracy and lighting effect of the headlight beads, and adaptively matches the appropriate lighting information according to the brightness of the environment to improve the lighting control effect of the headlight beads, and automatically divides and matches the lighting light of the driving road information in a progressive manner, so as to adjust the lighting brightness of the corresponding headlight bead area, so as to reduce the impact of the strong light of the headlight beads of the target vehicle on the driving of other vehicles, thereby helping to improve driving safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] The present invention will be further described below with reference to the accompanying drawings;
[0029] Figure 1 It is a flow chart of the system of the present invention;
[0030] Figure 2 It is a reference diagram for local analysis of the present invention. DETAILED DESCRIPTION
[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0032] Example 1:
[0033] See also Figures 1 to 2 As shown, the present invention is a vehicle lamp bead brightness adaptive control system, including a vehicle lamp central control platform, a lighting information library, a lighting effect obstruction analysis unit, a lighting effect interference level acquisition unit, a lighting deviation coefficient analysis unit, a regional lighting control and analysis unit, and a control and management unit. The lighting information library is in a one-way communication connection with the vehicle lamp central control platform, the vehicle lamp central control platform and the lighting effect interference level acquisition unit are both in a one-way communication connection with the lighting effect obstruction analysis unit, the lighting effect obstruction analysis unit is both in a one-way communication connection with the lighting deviation coefficient analysis unit and the control and management unit, the lighting deviation coefficient analysis unit is both in a one-way communication connection with the regional lighting control and analysis unit and the control and management unit, and the regional lighting control and analysis unit is in a one-way communication connection with the control and management unit.
[0034] The vehicle lamp central control platform is used to retrieve the lighting risk information of each lamp bead in the target vehicle lamp from the lighting information library, and send the lighting risk information to the lighting effect obstruction analysis unit;
[0035] In an embodiment of the present invention, the lighting effect obstruction analysis unit is used to perform a period lighting effect abnormality risk supervision analysis on the received lighting risk information of each headlight bead to determine whether the overall lighting effect abnormality risk of the headlight bead is too high. The headlight bead and interference factors can be managed and adjusted based on the information feedback to improve the lighting effect and lighting stability of the headlight bead. The specific period lighting effect abnormality risk supervision analysis process is as follows:
[0036] The time threshold is divided into i sub-time periods, where i is a natural number greater than zero. The lighting risk information of each headlight bead in each sub-time period is obtained. The lighting performance information includes lighting flicker frequency, flicker duration, etc. The number of times the corresponding value of the lighting risk information of each headlight bead exceeds the preset threshold is obtained and set as the lighting effect fault index. The lighting effect fault index is then judged and processed. If the lighting effect fault index = 0, a normal signal is generated. If the lighting effect fault index ≠ 0, a fault signal is generated.
[0037] Obtaining the ratio between the number of sub-time periods corresponding to the generation of the fault signal and the number of sub-time periods corresponding to the normal signal, and setting it as the time period lighting efficiency evaluation coefficient, and comparing and analyzing the time period lighting efficiency evaluation coefficient with the preset time period lighting efficiency evaluation coefficient threshold value recorded and stored internally; if the ratio between the time period lighting efficiency evaluation coefficient and the preset time period lighting efficiency evaluation coefficient threshold value is less than or equal to 1, then determining that the corresponding headlight lamp bead is a normal lamp bead, obtaining the ratio of the corresponding number of normal lamp beads to the total number of headlight lamp beads, and setting it as the time period lighting efficiency coefficient;
[0038] Get the current lighting effect interference level DD of the headlight bead, and substitute the lighting effect coefficient of the time period and the lighting effect interference level DD into the formula Obtain the lighting effect obstruction coefficient, where XD represents the lighting effect coefficient for the time period, a1 and a2 are the preset weighting factors for the lighting effect coefficient and the lighting effect interference level for the time period, a3 is the preset correction factor, a1 is 1.002, a2 is 1.102, and a3 is 1.022. D represents the lighting effect obstruction coefficient. Compare and analyze the lighting effect obstruction coefficient D with the preset lighting effect obstruction coefficient threshold stored internally:
[0039] If the ratio between the lighting effect obstruction coefficient D and the preset lighting effect obstruction coefficient threshold is less than 1, a stable lighting signal is generated;
[0040] If the ratio between the lighting efficiency obstruction coefficient D and the preset lighting efficiency obstruction coefficient threshold is greater than or equal to 1, a lighting management signal is generated, and a stable lighting signal or a lighting management signal is sent to the control management unit. After receiving the stable lighting signal or the lighting management signal, the control management unit immediately performs a preset warning operation corresponding to the stable lighting signal or the lighting management signal, so as to timely manage the lamp beads and lampshades of the target vehicle to improve the lighting efficiency and lighting stability of the lamp beads of the target vehicle;
[0041] The lighting effect interference level acquisition unit is used to collect the lighting interference information of the headlight beads, and at the same time perform lighting effect interference obstruction supervision evaluation and analysis on the lighting interference information, so as to understand the degree of interference of the current headlight bead lampshade on the lighting, so as to provide data support for subsequent analysis. The specific lighting effect interference obstruction supervision evaluation and analysis process is as follows:
[0042] Obtain lighting interference information of the headlight beads within a time threshold, the lighting interference information including the lampshade surface feature image and adhesion risk value;
[0043] In the embodiment of the present invention, the difference between the lampshade surface feature image and the preset standard surface feature image is set as the lighting obstruction index. It should be noted that the larger the value of the lighting obstruction index, the greater the risk of obstruction of the lighting effect of the lamp beads;
[0044] In the embodiment of the present invention, the adhesion risk value represents the sum of the time between the lampshade's last cleaning time and the current time and the total nighttime driving time. It should be noted that the larger the adhesion risk value, the greater the risk of dust and flying insects adhering to the lampshade's surface.
[0045] In the embodiment of the present invention, the period from 6:00 a.m. to 18:00 p.m. is divided into daytime, and the period from 18:00 p.m. to 6:00 a.m. the next day is divided into nighttime;
[0046] Obtain the number of lighting occlusion indexes and attachment risk values that are greater than or equal to the preset lighting occlusion index threshold and the preset attachment risk value threshold, set it as the lighting effect interference index, and perform judgment processing on the lighting effect interference index:
[0047] If the lighting effect interference index = 0, it is determined to be level one interference;
[0048] If the lighting effect interference index = 1, it is determined to be level 2 interference;
[0049] If the lighting effect interference index = 2, it is determined to be level 3 interference, where the interference levels corresponding to level 1 interference, level 2 interference, and level 3 interference are abnormally increased, and level 1 interference, level 2 interference, and level 3 interference are set as lighting effect interference levels DD, DD = v1, v2, v3, 0 < v1 < v2 < v3, that is, lighting effect interference level DD = v1 indicates level 1 interference, lighting effect interference level DD = v2 indicates level 2 interference, and lighting effect interference level DD = v3 indicates level 3 interference;
[0050] In the embodiment of the present invention, v1, v2, and v3 are all parameters set by personnel.
[0051] Example 2:
[0052] When a stable lighting signal is generated, the lighting deviation coefficient analysis unit is used to respond to the stable lighting signal and collect environmental information of the target vehicle's environment. At the same time, it performs lighting adaptive control analysis on the environmental information so as to adjust the lighting information of the headlight beads according to the information feedback to improve the lighting accuracy and lighting effect of the headlight beads. It also adaptively matches the appropriate lighting information according to the brightness of the environment to improve the lighting control effect of the headlight beads. The specific lighting adaptive control analysis process is as follows:
[0053] The power-on period of the headlight beads is collected and set as a time threshold. Environmental information of the environment in which the headlight beads are located within the time threshold is obtained. The environmental information represents an ambient brightness value. The ambient brightness value is compared and analyzed with a preset ambient brightness value range to obtain lighting information when the ambient brightness value is within the corresponding preset ambient brightness value range. The lighting information includes lighting power, lighting luminous flux, etc.
[0054] The actual lighting information of the headlight beads within the time threshold is obtained. The actual lighting information includes the actual lighting power, the actual lighting luminous flux, etc. The number of times the corresponding value of the actual lighting information deviates from the corresponding value of the lighting information is obtained and set as the lighting deviation coefficient. The lighting deviation coefficient is then judged and processed:
[0055] If the illumination deviation coefficient = 0, a standard signal is generated;
[0056] If the lighting deviation coefficient = 1 or the lighting deviation coefficient = 2, a deviation signal is generated, and the standard signal or the deviation signal is sent to the control management unit. After receiving the standard signal or the deviation signal, the control management unit immediately performs a preset warning operation corresponding to the standard signal or the deviation signal, so as to adjust the lighting information of the headlight beads according to the information feedback, so as to improve the lighting accuracy and lighting effect of the headlight beads, and adaptively match the appropriate lighting information according to the ambient brightness to improve the lighting control effect of the headlight beads;
[0057] When a standard signal is generated, the regional lighting control and analysis unit is used to respond to the standard signal and collect the target vehicle's driving road information. At the same time, it automatically divides and matches the lighting light on the driving road information to adjust the lighting brightness of the corresponding headlight bead area to reduce the impact of the target vehicle's headlight bead strong light on other vehicles, thereby helping to improve driving safety. The specific lighting light automatic division and matching analysis process is as follows:
[0058] Obtain the target vehicle's driving direction within the time threshold, divide the target vehicle's driving direction into the same-direction channel vehicle, the right vehicle, and the left vehicle, and divide the target vehicle's headlight beads into the left area, the middle area, and the right area according to the driving direction division method;
[0059] Acquire the target vehicle's driving road information within the time threshold, the driving road information including whether there are vehicles or not, and perform vehicle discrimination analysis on the target vehicle's driving road information. If there is a vehicle in the driving direction, generate a feedback instruction. When generating the feedback instruction, obtain the straight-line distance between the vehicle corresponding to the feedback instruction and the target vehicle, and perform discrimination processing on the straight-line distance. If the straight-line distance falls within a preset straight-line distance range, generate a light control instruction. When generating the light control instruction, obtain the area where the vehicle in the driving direction is located in the target vehicle's headlight beads, then obtain the lighting brightness of the headlight beads in the area, and perform discrimination processing on the lighting brightness:
[0060] If the lighting brightness is less than or equal to the preset lighting brightness threshold, no signal is generated;
[0061] If the lighting brightness is greater than the preset lighting brightness threshold, a control signal is generated and sent to the control management unit. After receiving the control signal, the control management unit immediately performs the preset warning operation corresponding to the control signal, that is, adjusting the lighting brightness of the corresponding headlight area to reduce the impact of the strong light of the target vehicle's headlights on other vehicles, thereby helping to improve driving safety;
[0062] In summary, the present invention is based on the analysis of the lighting performance and external interference performance of each headlight bead, and further analyzes the overall lighting efficiency safety based on the lighting efficiency performance of the lamp beads, and then determines whether the overall lighting efficiency abnormality risk of the headlight lamp beads is too high, so as to manage and adjust the headlight lamp beads and interference factors according to the information feedback, so as to improve the lighting effect and lighting stability of the headlight lamp beads, and perform lighting adaptive regulation and analysis on environmental information through information feedback, so as to adjust the lighting information of the headlight lamp beads according to the information feedback, so as to improve the lighting accuracy and lighting effect of the headlight lamp beads, and adaptively match the appropriate lighting information according to the brightness of the environment to improve the lighting control effect of the headlight lamp beads, and perform automatic division and matching analysis on the driving road information in a progressive manner, so as to adjust the lighting brightness of the corresponding headlight lamp bead area, so as to reduce the impact of the strong light of the headlight lamp beads of the target vehicle on the driving of other vehicles, thereby helping to improve driving safety.
[0063] The threshold is set to facilitate comparison. The size of the threshold depends on the amount of sample data and the number of bases set by technicians in this field for each set of sample data; as long as it does not affect the proportional relationship between the parameter and the quantized value.
[0064] The above formulas are obtained by collecting a large amount of data and performing software simulation, and a formula close to the actual value is selected. The coefficients in the formula are set by those skilled in the art according to actual conditions. The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, can make equivalent replacements or changes based on the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A vehicle lamp bead brightness adaptive control system, characterized in that: It includes a vehicle lighting center control platform, a lighting information database, a lighting effect obstruction analysis unit, a lighting effect interference level acquisition unit, a lighting deviation coefficient analysis unit, a regional lighting control analysis unit, and a control management unit; The vehicle lamp central control platform is used to retrieve the lighting risk information of each lamp bead in the target vehicle lamp from the lighting information library, and send the lighting risk information to the lighting effect obstruction analysis unit; The lighting effect obstruction analysis unit is used to perform a period lighting effect abnormality risk supervision analysis on the lighting risk information received from each headlight bead, compare and analyze the obtained lighting effect obstruction coefficient D, and obtain a stable lighting signal or a lighting management signal; The lighting effect interference level acquisition unit is used to collect the lighting interference information of the headlight beads, and at the same time perform lighting effect interference obstruction supervision assessment analysis on the lighting interference information to obtain the lighting effect interference level DD; The lighting deviation coefficient analysis unit is used to respond to the stable lighting signal and collect environmental information of the target vehicle's environment, while performing lighting adaptive control analysis on the environmental information, and performing discrimination processing on the obtained lighting deviation coefficient to obtain a standard signal or a deviation signal; The regional lighting control and analysis unit is used to respond to standard signals and collect the driving road information of the target vehicle. At the same time, it automatically divides and matches the lighting light on the driving road information to obtain a control signal or not generate any signal.
2. The vehicle lamp bead brightness adaptive control system according to claim 1, characterized in that: The process of monitoring and analyzing the abnormal lighting effect risk during a period of time by the lighting effect obstruction analysis unit is as follows: The time threshold is divided into i sub-time periods, where i is a natural number greater than zero. The lighting risk information of each headlight bead in each sub-time period is obtained. The lighting performance information includes the lighting flickering frequency and flickering duration. The number of times the corresponding value of the lighting risk information of each headlight bead exceeds the preset threshold is obtained, and it is set as the lighting effect fault index. The lighting effect fault index is then judged and processed. If the lighting effect fault index = 0, a normal signal is generated. If the lighting effect fault index ≠ 0, a fault signal is generated.
3. The vehicle lamp bead brightness adaptive control system according to claim 2, characterized in that: Obtaining a ratio between the number of sub-time periods corresponding to the generation of the fault signal and the number of sub-time periods corresponding to the normal signal, and setting it as the time period lighting efficiency evaluation coefficient, and comparing and analyzing the time period lighting efficiency evaluation coefficient with a preset time period lighting efficiency evaluation coefficient threshold; if the ratio between the time period lighting efficiency evaluation coefficient and the preset time period lighting efficiency evaluation coefficient threshold is less than or equal to 1, then determining that the corresponding headlight lamp bead is a normal lamp bead, obtaining a ratio between the corresponding number of normal lamp beads and the total number of headlight lamp beads, and setting it as the time period lighting efficiency coefficient; Obtain the lighting effect interference level DD of the current headlight bead, substitute the lighting effect coefficient of the time period and the lighting effect interference level DD into the formula to obtain the lighting effect obstruction coefficient D, compare and analyze the lighting effect obstruction coefficient D with the preset lighting effect obstruction coefficient threshold to obtain a stable lighting signal or a lighting management signal.
4. The vehicle lamp bead brightness adaptive control system according to claim 3, characterized in that: The lighting effect interference level acquisition unit's lighting effect interference obstruction supervision assessment and analysis process is as follows: obtaining lighting interference information of vehicle headlight beads within a time threshold, the lighting interference information including a lampshade surface feature image and an adhesion risk value, obtaining the number of lighting occlusion indexes and adhesion risk values that are greater than or equal to a preset lighting occlusion index threshold and a preset adhesion risk value threshold, and setting it as a lighting effect interference index, performing discrimination processing on the lighting effect interference index to obtain first-level interference, second-level interference, and third-level interference, and setting the first-level interference, second-level interference, and third-level interference as lighting effect interference levels DD, DD=v1, v2, v3, 0<v1<v2<v3.
5. The vehicle lamp bead brightness adaptive control system according to claim 4, characterized in that: Setting the difference between the lampshade surface feature image and a preset standard surface feature image as a lighting occlusion index; The adhesion risk value represents the sum of the time from the last cleaning time of the lampshade to the current time and the total night driving time.
6. The vehicle lamp bead brightness adaptive control system according to claim 1, characterized in that: The lighting adaptive control analysis process of the lighting deviation coefficient analysis unit is as follows: The power-on period of the headlight beads is collected and set as a time threshold, and environmental information of the environment in which the headlight beads are located within the time threshold is obtained, the environmental information representing the ambient brightness value, and the ambient brightness value is compared and analyzed with a preset ambient brightness value range to obtain lighting information when the ambient brightness value is within the corresponding preset ambient brightness value range, the lighting information including lighting power and lighting luminous flux; The actual lighting information of the headlight beads within the time threshold is obtained, the number of times the corresponding value of the actual lighting information deviates from the corresponding value of the lighting information is obtained, and it is set as the lighting deviation coefficient, and the lighting deviation coefficient is judged and processed to obtain a standard signal or a deviation signal.
7. The vehicle lamp bead brightness adaptive control system according to claim 1, characterized in that: The automatic division and matching analysis process of the lighting light of the regional lighting control and analysis unit is as follows: Obtain the target vehicle's driving direction within the time threshold, divide the target vehicle's driving direction into the same-direction channel vehicle, the right vehicle, and the left vehicle, and divide the target vehicle's headlight beads into the left area, the middle area, and the right area according to the driving direction division method; The driving road information of the target vehicle within the time threshold is obtained, and the driving road information includes whether there is a vehicle and whether there is no vehicle. The driving road information of the target vehicle is subjected to vehicle discrimination analysis. If there is a vehicle in the driving direction, a feedback instruction is generated. When the feedback instruction is generated, the straight-line distance between the vehicle corresponding to the feedback instruction and the target vehicle is obtained, and the straight-line distance is discriminated and processed. If the straight-line distance falls within a preset straight-line distance range, a light control instruction is generated.
8. The vehicle lamp bead brightness adaptive control system according to claim 7, characterized in that: When a light control instruction is generated, it is obtained that the vehicle in the driving direction is located in the area of the headlight beads of the target vehicle, and then the lighting brightness of the headlight beads in the area is obtained, and the lighting brightness is judged and processed to generate a control signal or no signal.
Citation Information
Patent Citations
Stage illuminating lamp and intelligent control system thereof
CN119095242A
LED intelligent street lamp illumination control system suitable for different road conditions
CN119136357A
LED vehicle lamp operation monitoring system and method based on data analysis
CN120018341A