CN-121994506-A - Backlight simulation test system and test method for vehicle

CN121994506ACN 121994506 ACN121994506 ACN 121994506ACN-121994506-A

Abstract

The application provides a backlight simulation test system and a test method for a vehicle, the test system comprises a movable bearing module, an adjusting module, a light adjustable source module, a first sensing module and a control module, wherein the adjusting module is arranged on the movable bearing module. The adjustable light source module is arranged on the adjusting module, and the adjusting module drives the adjustable light source module to move relative to the movable bearing module. The first sensing module is used for collecting driving parameters of the target vehicle. The control module is in communication connection with the adjusting module, the adjustable light source module and the first sensing module, and is used for outputting an adjusting instruction and/or a light source instruction according to the driving parameters and a preset test scene model. The control module can control the adjusting module to move cooperatively with the movable bearing module by calculating the dynamic geometric relation between the target vehicle and the adjustable light source module in real time, and accurately simulate dynamic backlight scenes under various complex movement states.

Inventors

HAN ZHONGHAI
HUANG YANG
XIONG YUE
CHENG RUI
CHEN LUO
LI CHAOBIN
YANG LIANGYI
ZHANG QI
ZHU SHUNPING
XIONG YINGZHI
ZHANG YOU
CHEN SHAOYI

Assignees

中汽院智能网联科技有限公司
中国汽车工程研究院股份有限公司
中汽院(江苏)汽车工程研究院有限公司

Dates

Publication Date: 20260508
Application Date: 20260204

Claims (10)

1. A backlight simulation test system for a vehicle, comprising: A movable carrier module; The adjusting module is arranged on the movable bearing module, The adjustable light source module is arranged on the adjusting module and drives the adjustable light source module to move relative to the movable bearing module; The first sensing module is used for collecting running parameters of the target vehicle; the control module is in communication connection with the adjusting module, the adjustable light source module and the first sensing module, and is used for outputting an adjusting instruction and/or a light source instruction according to the running parameter and a preset test scene model, wherein the adjusting instruction is used for controlling the adjusting module to move relative to the movable bearing module, and the light source instruction is used for adjusting the light source output parameter of the adjustable light source module.
2. The backlight simulation test system according to claim 1, the backlight simulation test system is characterized by further comprising: the second perception module is in communication connection with the control module and is used for collecting environmental background light parameters and/or The analysis module is in communication connection with the control module and is used for determining a test analysis result of the target vehicle according to the light source output parameter and the driving parameter.
3. The backlight simulation test system of claim 1 wherein the movable carrier module comprises: the driver is in communication connection with the control module; the adjusting module is arranged on the bearing frame; the moving wheel is arranged on the bearing frame, and the driver drives the moving wheel to move.
4. The backlight simulation test system of claim 1 wherein the adjustment module comprises: the adjustable light source module is detachably arranged on the adjusting assembly; The lifting assembly is arranged on the bearing frame and drives the adjusting assembly to lift back and forth.
5. The backlight simulation test system according to claim 4, wherein the lifting assembly comprises: The lifting rail is arranged on the bearing frame; the lifting driving piece is arranged on the bearing frame and is in communication connection with the control module, the driving end of the lifting driving piece is connected with the adjusting component, and the lifting driving piece drives the adjusting component to slide back and forth on the lifting rail.
6. The backlight simulation test system according to claim 4, wherein, The adjustment assembly drives the adjustable light source module relative to the lift assembly.
7. The backlight simulation test system according to claim 6, wherein the adjusting assembly comprises: the first bracket is arranged on the lifting assembly in a sliding manner; The second bracket is rotatably arranged on one side, away from the lifting assembly, of the first bracket, and the adjustable light source module is detachably arranged on the second bracket; the pitching driving piece is arranged on the first bracket and is in communication connection with the control module, the driving end of the pitching driving piece is connected with the second bracket, and the pitching driving piece drives the second bracket to do pitching motion relative to the lifting assembly.
8. The backlight simulation test system of claim 1 wherein the adjustable light source module comprises: The driving circuit board is in communication connection with the control module; the light sources are arranged on the adjusting module alternatively.
9. The backlight simulation test system of claim 8 wherein the adjustable light source module further comprises: The light source support is arranged on the adjusting module, the driving circuit board is arranged on the light source support, a plurality of mounting positions are arranged on the light source support, and the light source is mounted in one of the mounting positions.
10. A backlight simulation test method for a vehicle, characterized by being implemented by the backlight simulation test system according to any one of claims 1 to 9, the backlight simulation test method comprising: Controlling the movement of the adjusting module according to preset adjusting parameters; Controlling the adjustable light source module according to preset light source parameters; Controlling the starting of a target vehicle; Collecting running parameters of the target vehicle through a first sensing module; And outputting an adjusting instruction and/or a light source instruction by the control module according to the driving parameter and a preset test scene model, wherein the adjusting instruction is used for controlling the adjusting module to move relative to the movable bearing module, and the light source instruction is used for adjusting the light source output parameter of the adjustable light source module.

Description

Backlight simulation test system and test method for vehicle Technical Field The application relates to the technical field of vehicle performance test, in particular to a backlight simulation test system and a test method for a vehicle. Background For the vehicle, when the vehicle runs in the back light, due to strong light irradiation, on one hand, the sight of the driver is influenced, and the road condition in front is not clearly observed or the color of the traffic light is not distinguished. The instantaneous strong light irradiation can also cause eye blindness of a driver in a short time, and serious conditions of rear-end collision, careless driving into a opposite lane and the like, which endanger the life safety of the driver or other people, can be caused. On the other hand, with the development of intelligent technology of automobiles, the robustness of intelligent lamplight and intelligent driving functions under complex illumination conditions based on an external sensing system (particularly a camera) of the automobile becomes a key challenge. Backlight scenes, especially strong light direct irradiation to vehicles at night or in dim environments, are extremely easy to cause camera saturation, target loss or misrecognition, and seriously threaten driving safety. Therefore, the backlight test is one of important bases for detecting the intelligent light function and the intelligent driving function target recognition and response capability of the vehicle. Existing approaches to backlight testing include: (1) The method comprises the steps of fixing a tunnel type test field, constructing a physical tunnel in a special test field, and fixedly installing a backlight source in the special test field, wherein the problems of extremely strong field dependence, poor scene flexibility and the like exist in the mode; (2) The real vehicle opposite test requires two real vehicles, and has multiple problems of safety, cost, coordination efficiency, test repeatability and the like. Disclosure of Invention In view of the above, the present application aims to provide a backlight simulation test system and test method for a vehicle, which solve the problems of poor vehicle test flexibility and test efficiency in the existing backlight scene. In a first aspect, the present application provides a backlight simulation test system for a vehicle, including a movable bearing module, an adjusting module, an adjustable light source module, a first sensing module and a control module, where the adjusting module is disposed on the movable bearing module. The adjustable light source module is arranged on the adjusting module, and the adjusting module drives the adjustable light source module to move relative to the movable bearing module. The first sensing module is used for collecting driving parameters of the target vehicle. The control module is in communication connection with the adjusting module, the adjustable light source module and the first sensing module, and is used for outputting adjusting instructions and/or light source instructions according to the driving parameters and a preset test scene model, wherein the adjusting instructions are used for controlling the adjusting module to move relative to the movable bearing module, and the light source instructions are used for adjusting light source output parameters of the adjustable light source module. In one possible implementation, the backlight simulation test system further comprises a second sensing module, and the second sensing module is in communication connection with the control module and is used for collecting environmental background light parameters. In one possible implementation manner, the backlight simulation test system further comprises an analysis module, wherein the analysis module is in communication connection with the control module and is used for determining test analysis results of the target vehicle according to the light source output parameters and the driving parameters. In one possible embodiment, the movable carrier module includes a drive, a carrier, and a moving wheel, the drive being communicatively coupled to the control module. The bearing frame adjusting module is arranged on the bearing frame. The moving wheel is arranged on the bearing frame, and the driver drives the moving wheel to move. In one possible embodiment, the adjusting module includes an adjusting assembly and a lifting assembly, and the adjustable light source module is detachably disposed on the adjusting assembly. The lifting assembly is arranged on the bearing frame and drives the adjusting assembly to lift back and forth. In one possible embodiment, the lifting assembly comprises a lifting rail and a lifting drive, the lifting rail being arranged on the carrier. The lifting driving piece is arranged on the bearing frame and is in communication connection with the control module, the driving end of the lifting driving piece is connected with the a