Search

CN-122017813-A - Test evaluation method and device for front close-range safety prompt system of commercial vehicle and commercial vehicle

CN122017813ACN 122017813 ACN122017813 ACN 122017813ACN-122017813-A

Abstract

The application discloses a test evaluation method and device of a near-distance safety prompt system in front of a commercial vehicle and the commercial vehicle. The target test area comprises a plurality of test points, and a preset interval is reserved between every two adjacent test points. Then, for each test point included in the target test area, in the case that a test object is placed in the test point, the commercial vehicle is controlled to perform a forward operation in response to a starting operation of the commercial vehicle. And then, under the condition that the front short-distance safety prompt system detects the test object, outputting prompt information and recording system output parameters. And then, according to the system output parameters, verifying the performance of the front close-range safety prompt system. According to the embodiment of the application, the accurate test of the front close-range safety prompt system can be realized, so that prompt information can be timely output.

Inventors

  • ZHANG XIN
  • CAI PENGFEI
  • TAN WANLI
  • WANG CHUNLIN
  • ZHANG CHAOLIN
  • LIU YONG
  • LI LIYANG

Assignees

  • 招商局检测车辆技术研究院有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (10)

  1. 1. A test evaluation method of a commercial vehicle front short-distance safety prompt system, characterized by being applied to a commercial vehicle equipped with a front short-distance safety prompt system, comprising: the method comprises the steps of obtaining a target test area, wherein the target test area comprises a plurality of test points, and a preset interval is reserved between every two adjacent test points; for each test point included in the target test area, under the condition that a test object is placed on the test point, responding to starting operation of the commercial vehicle, and controlling the commercial vehicle to perform advancing operation; outputting prompt information and recording system output parameters under the condition that the front short-distance safety prompt system detects a test object; And verifying the performance of the front close-range safety prompt system according to the system output parameters.
  2. 2. The method of claim 1, wherein the system output parameter comprises a system response time period, in the case that the height of the test object is in a first height range and the test point is the closest test point in the target test area to the front of the commercial vehicle, the system response time period being a time period between when the commercial vehicle starts to advance to when the prompt message is output; the verification of the performance of the front close-range safety prompt system according to the system output parameters comprises the following steps: and verifying the response timeliness of the front close-range safety prompt system according to the system response time length.
  3. 3. The method according to claim 1, wherein the system output parameter includes an output duration of the hint information if the height of the test object is within a first height range or a second height range, the first height range being higher than the second height range; the verification of the performance of the front close-range safety prompt system according to the system output parameters comprises the following steps: and verifying the detection accuracy of the front close-range safety prompt system according to the output duration of the prompt information.
  4. 4. A method according to claim 3, characterized in that the method further comprises: responding to the completion of detection of a test object placed by a test point in the target test area, and determining the successful detection times of the front short-distance safety prompt system; And verifying the area detectability of the front close-range safety prompt system according to the successful detection times and the total detection times of the front close-range safety prompt system, wherein the total detection times of the front close-range safety prompt system are the same as the total number of test points in the target test area.
  5. 5. The method of claim 4, wherein the target test zone comprises a first test zone having a test length that is a preset distance interval located directly in front of the commercial vehicle, a test width of the first test zone being determined based on a body width of the commercial vehicle; The verifying the area detectability of the front close-range security prompt system according to the detection success times and the total detection times of the front close-range security prompt system comprises: Determining that the detection performance of the area right in front of the front short-distance safety prompt system is qualified under the condition that the ratio between the detection success times and the total detection times of the front short-distance safety prompt system is larger than or equal to a preset detection ratio; and under the condition that the ratio between the successful detection times and the total detection times of the front short-distance safety prompt system is smaller than a preset detection ratio, determining that the detection of the area right in front of the front short-distance safety prompt system is unqualified.
  6. 6. The method of claim 4, wherein the target test area includes a second test area, the second test area being set based on a target symmetry axis, the target symmetry axis being a symmetry axis formed by a vehicle traveling direction offset by a preset angle in a preset offset direction; The verifying the area detectability of the front close-range security prompt system according to the detection success times and the total detection times of the front close-range security prompt system comprises: under the condition that the detection success times are the same as the total detection times of the front short-distance safety prompt system, determining that the detection performance of a side front area of the front short-distance safety prompt system is qualified; and under the condition that the detection success times are different from the total detection times of the front short-distance safety prompt system, determining that the detection quality of the side front area of the front short-distance safety prompt system is unqualified.
  7. 7. The method of any one of claims 1-6, wherein the controlling the commercial vehicle to perform a forward operation in response to a start operation of the commercial vehicle with the test site having a test object placed thereon comprises: recording the parking time of the commercial vehicle under the condition that the commercial vehicle is in a power-down state; And under the condition that the parking time of the commercial vehicle reaches the preset parking time and the test object is placed on the test point, responding to the starting operation of the commercial vehicle, and controlling the commercial vehicle to perform the advancing operation.
  8. 8. The method of any one of claims 1-6, wherein the controlling the commercial vehicle to perform a forward operation in response to a start-up operation of the commercial vehicle comprises: controlling the commercial vehicle to be placed in a neutral state and starting a first timer in response to a starting operation of the commercial vehicle; And controlling the commercial vehicle to perform forward operation under the condition that the time length recorded by the first timer is longer than the preset waiting time length.
  9. 9. The utility model provides a commercial car front short distance safety prompt system's test evaluation device which characterized in that includes: the device comprises an area acquisition module, a test module and a test module, wherein the area acquisition module is used for acquiring a target test area, the target test area comprises a plurality of test points, and a preset interval is reserved between every two adjacent test points; The vehicle control module is used for controlling the commercial vehicle to perform forward operation in response to the starting operation of the commercial vehicle under the condition that a test object is placed on each test point included in the target test area; The information output module is used for outputting prompt information and recording system output parameters when the front short-distance safety prompt system detects a test object; And the performance verification module is used for verifying the performance of the front close-range safety prompt system according to the system output parameters.
  10. 10. A commercial vehicle comprising a storage medium, a processor and a computer program stored on the storage medium and executable on the processor, characterized in that the processor implements the method of any one of claims 1 to 8 when executing the computer program.

Description

Test evaluation method and device for front close-range safety prompt system of commercial vehicle and commercial vehicle Technical Field The application relates to the technical field of vehicle safety test, in particular to a test evaluation method and device of a close-range safety prompt system in front of a commercial vehicle and the commercial vehicle. Background Along with the continuous development of the technology of commercial vehicles, more and more commercial vehicles begin to be provided with a front short-distance safety prompt system so as to timely output prompt information when an obstacle exists in front of the vehicle, thereby improving the driving safety of the vehicle. However, the front close-range safety prompt system is easily influenced by factors such as the position of an obstacle, the size of the obstacle and the like, so that conditions such as lower detection precision of the system, untimely response of the system and the like occur, and driving experience of a driver is influenced. Therefore, how to realize the accurate test of the front close-range safety prompt system so as to ensure the timely output of prompt information becomes a problem to be solved urgently. Disclosure of Invention In view of the above, the embodiment of the application provides a test evaluation method and device for a front close-range safety prompt system of a commercial vehicle and the commercial vehicle, which can realize accurate test of the front close-range safety prompt system, ensure timely output of prompt information and improve the safety of vehicle running. In a first aspect, the present application provides a test evaluation method for a close-range safety prompt system in front of a commercial vehicle, including: the method comprises the steps of obtaining a target test area, wherein the target test area comprises a plurality of test points, and a preset interval is reserved between every two adjacent test points; for each test point included in the target test area, under the condition that a test object is placed in the test point, responding to starting operation of the commercial vehicle, and controlling the commercial vehicle to perform forward operation; outputting prompt information and recording system output parameters under the condition that the front short-distance safety prompt system detects a test object; And verifying the performance of the front close-range safety prompt system according to the system output parameters. In a second aspect, the present application provides a test evaluation device for a near-distance safety prompt system in front of a commercial vehicle, comprising: The device comprises an area acquisition module, a test module and a test module, wherein the area acquisition module is used for acquiring a target test area, the target test area comprises a plurality of test points, and a preset distance is reserved between every two adjacent test points; The vehicle control module is used for controlling the commercial vehicle to perform forward operation in response to the starting operation of the commercial vehicle under the condition that a test object is placed in each test point included in the target test area; the information output module is used for outputting prompt information and recording system output parameters under the condition that the front short-distance safety prompt system detects a test object; and the performance verification module is used for verifying the performance of the front close-range safety prompt system according to the system output parameters. In a third aspect, the present application provides a storage medium having stored thereon a computer program which, when executed by a processor, implements the above-described test evaluation method of a commercial vehicle front proximity safety warning system. In a fourth aspect, the application provides a commercial vehicle, which comprises a storage medium, a processor and a computer program stored on the storage medium and capable of running on the processor, wherein the processor executes the program to realize the test evaluation method of the near-distance safety prompt system in front of the commercial vehicle. By means of the technical scheme, the test evaluation method, the test evaluation device and the commercial vehicle for the front close-range safety prompt system of the commercial vehicle can realize multi-point, standardized and systematic testing of the front close-range safety prompt system, accurately record system output parameters and verify system performance, effectively improve the consistency, the accuracy and the repeatability of testing, ensure that the front close-range safety prompt system can reliably work in different test positions, improve the test efficiency and the reliability of test results, and provide a basis for timely outputting prompt information subsequently. The foregoing description is only an overview of the present application