Test and evaluation of AEB system based on different overlap-rate collision and different light scenario

doi:10.3969/j.issn.1674-8484.2022.02.006

Abstract

Abstract:

In order to improve the safety and stability of autonomous emergency braking (AEB) system, two commercial AEB systems were tested and evaluated. Two kinds of light environments, day and night, and two kinds of target objects (standard dummy car and cyclist model) with three different overlap-rate (50%, 75% and 100%) were set up to study the performance of the system, such as early warning time, braking efficiency, braking distance when avoiding collision, braking strategy and so on, under the condition of changing light. The results show that compared with the overlap rates scenario, the warning time of 100% overlap rate scenario is earlier, which leads to the braking time intervention lag and increasing the braking efficiency. Compared with the day test environment, the scenario with different overlap rates on the AEB system’s warning timing is significantly increased in the night scenario. The distance between the vehicle and the target vehicle decreases with the decrease of the overlap-rates and the dimming light.

Key words: automobile active safety, collisions with different overlap rates, autonomous emergency braking system (AEB), test, evaluation

CLC Number:

NIU Chengyong, WU Kunlun, ZHOU Xiangxiang, SU Zhanling, HU Xiong. Test and evaluation of AEB system based on different overlap-rate collision and different light scenario[J]. Journal of Automotive Safety and Energy, 2022, 13(2): 269-275.

Figures/Tables 11

References 16

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偏置率/%	光照条件	测试场景	测试速度/ （km·h^-1）
50	白天、夜间	CCRs	30、50
		CCRm	30、45、65、75
		CBLA	50
75	白天、夜间	CCRs	30、50
		CCRm	30、45、65、75
		CBLA	50
100	白天、夜间	CCRs	30、50
		CCRm	30、45、65、75
		CBLA	50

偏置率/%	光照条件	测试场景	测试速度/ （km·h^-1）
50	白天、夜间	CCRs	30、50
		CCRm	30、45、65、75
		CBLA	50
75	白天、夜间	CCRs	30、50
		CCRm	30、45、65、75
		CBLA	50
100	白天、夜间	CCRs	30、50
		CCRm	30、45、65、75
		CBLA	50