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A method and system for analyzing test results of an automatic emergency braking aeb system

A technology of test results and analysis methods, applied in general control systems, control/regulation systems, instruments, etc., can solve the problem of high cost of test result analysis

Active Publication Date: 2017-05-17
BEIJING JINGWEI HIRAIN TECH CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention provides an AEB system test result analysis method and system to solve the problem of high cost of AEB system test result analysis in the prior art

Method used

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  • A method and system for analyzing test results of an automatic emergency braking aeb system
  • A method and system for analyzing test results of an automatic emergency braking aeb system
  • A method and system for analyzing test results of an automatic emergency braking aeb system

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0055] see figure 1, which shows a flow chart of a test result analysis method for an AEB system provided by the present invention, including:

[0056] Step 101, obtaining the simulation data saved in the HIL bench and obtained after the ECU simulation test is completed.

[0057] In this embodiment, the AEB system includes an ECU, and also includes an HIL bench, wherein the HIL bench is connected to the ECU, and is used for performing a simulation test on the ECU. Concretely, in the simulation test system, the HIL platform simulates the running state of the controlled object with a real-time processor running the simulation model. In the present invention, it is connected with the ECU under test through the I / O interface, and the ECU under test is tested. Comprehensive system testing.

[0058] In the present invention, before the ECU is simulated and tested on the HIL platform, it is first necessary to establish a test scenario specified by Euro NCAP according to the scoring...

Embodiment 2

[0084] Based on the above examples, please refer to Figure 4 , which shows another flow chart of a test result analysis method of an AEB system provided by the present invention, including:

[0085] Step 201, obtaining the simulation data saved in the HIL bench and obtained after the ECU simulation test is completed.

[0086] Step 202, preprocessing the simulation data to obtain useful data.

[0087] In this embodiment, the implementation method of step 201-step 202 is the same as that of step 101-step 102 in the first embodiment, and the inventor will not repeat them here.

[0088] Step 203, according to the number n of simulation tests of the HIL bench, randomly select n groups of useful data. where n is a positive integer.

[0089] What the inventor needs to explain here is that the present invention can also include supporting the user to manually input the simulation test times n of the HIL bench, at this time, the HIL bench performs n times of simulation tests accord...

Embodiment 3

[0096] Based on the test result analysis method of the AEB system provided by the previous text invention, the present invention also provides a test result analysis system of the AEB system, such as Figure 5 As shown, the AEB system includes an ECU 100 , and also includes an HIL bench 200 , a simulation data acquisition module 300 , a data processing module 400 and a scoring module 500 . in,

[0097] The HIL bench 200 is connected to the ECU 100 and is used for performing a simulation test on the ECU 100 .

[0098] Concretely, in the simulation test system, the HIL bench 200 uses a real-time processor to run the simulation model to simulate the operating state of the controlled object. In the present invention, it is connected with the ECU 100 to be tested through the I / O interface, and the tested ECU 100 conducts comprehensive system testing.

[0099] The acquiring module 300 is configured to acquire the simulation data saved in the HIL bench 200 and obtained after the si...

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Abstract

The invention provides a test result analysis method and a test result analysis system of an AEB (Automatic Emergency Braking) system. The method is applied to the AEB system which includes an ECU (Electronic Control Unit) and also includes a HIL (hardware-in-the-loop) rack, wherein the HIL rack is connected with the ECU for performing simulation test on the ECU. The method includes the steps of: obtaining simulation data which is obtained after the simulation test of the ECU is completed and stored in the HIL rack; preprocessing the simulation data to obtain available data; calculating the score of the AEB system according to the scoring rules of Euro-NCAP (European Union New Car Assessment Program) and the obtained available data. Therefore, according to the test result analysis method and system of the AEB system, the simulation test of the ECU is completed based on the HIL, and thereby scoring of the AEB system is performed according to the simulation data stored after the HIL completes the simulation test, the times of real vehicle road tests is reduced, no specific test fields and test devices are needed, and compared with the prior art, the test cost is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of vehicle active safety function evaluation, and more specifically, to a method and system for analyzing test results of an automatic emergency braking (AEB) system. Background technique [0002] Automobile rear-end collision accidents are accidents with a higher frequency of traffic accidents. Due to the driver's inattention or misjudgment, ignoring the vehicle that is stopped or driving at a low speed in front, resulting in a rear-end collision accident, bringing physical damage or even life-threatening to the driver. AEB (Autonomous Emergency Braking) system can effectively reduce the incidence of rear-end collision accidents. In the field of vehicle safety, the AEB function has been included in the rating standards of Euro NCAP (EU New Car Certification Program / Center), and its proportion will increase year by year in the future. [0003] In the development stage of the AEB system, in order to obtain ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B17/02
Inventor 王勇萍刘巍蔡绍晓李晨
Owner BEIJING JINGWEI HIRAIN TECH CO INC