不同光照不同偏置率碰撞场景的AEB系统测试与评价

doi:10.3969/j.issn.1674-8484.2022.02.006

汽车安全与节能学报 ›› 2022, Vol. 13 ›› Issue (2): 269-275.DOI: 10.3969/j.issn.1674-8484.2022.02.006

不同光照不同偏置率碰撞场景的AEB系统测试与评价

牛成勇¹^,²^,³(), 吴昆伦¹^,³, 周祥祥¹^,², 苏占领¹^,², 胡雄¹^,³

1.国家智能网联汽车质量检验检测中心（重庆）,重庆 401329,中国
2.汽车主动安全测试技术重庆市工业和信息化重点实验室,重庆 401329,中国
3.自动驾驶系统及智能网联汽车技术研发与测试应用重庆市工程研究中心,重庆 401329,中国

收稿日期:2021-09-15 修回日期:2021-12-03 出版日期:2022-06-30 发布日期:2022-07-01
作者简介:牛成勇（1990—）,男（汉）,山东,高级工程师。 E-mail: niuchengyong@qq.com。
基金资助:
国家重点研发计划“新能源汽车”重点专项(2018YFB0105100)

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

NIU Chengyong¹^,²^,³(), WU Kunlun¹^,³, ZHOU Xiangxiang¹^,², SU Zhanling¹^,², HU Xiong¹^,³

1. National Intelligent Connected Vehicle Quality Inspection Center (Chongqing), Chongqing 401329, China
2. Automotive Active Safety Testing Technology Chongqing Key Laboratory of Industry and Information Technology, Chongqing 401329, China
3. AD System and ICV Technology Chongqing Test & Research Engineering Center, Chongqing 401329, China

Received:2021-09-15 Revised:2021-12-03 Online:2022-06-30 Published:2022-07-01

摘要/Abstract

摘要：

为提升自动紧急制动（AEB）系统的安全性与稳定性,对两款同类型商用的AEB系统,进行了测试与评价。设置白天、夜间2种光线环境,50%、75%、100% 3种不同偏置程度的2种目标物（标准假车、骑自行车人模型）,研究在光线变化条件下,系统的预警时机、制动效能、避免碰撞时的刹停距离、制动策略等性能表现。结果表明：与偏置场景相较,正碰撞场景下的预警时机较早,制动时机介入滞后,制动效能增大;与白天相比,夜晚场景下几种偏置率场景对AEB系统的预警时机的影响程度明显增加;车辆制动停止后与目标车的距离随偏置程度的增加、光线变暗而减小。

关键词: 汽车主动安全, 不同偏置率碰撞, 自动紧急制动（AEB）系统, 测试, 评价

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

中图分类号:

牛成勇, 吴昆伦, 周祥祥, 苏占领, 胡雄. 不同光照不同偏置率碰撞场景的AEB系统测试与评价[J]. 汽车安全与节能学报, 2022, 13(2): 269-275.

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.

图/表 11

图1 AEB系统工作过程

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

表1 AEB系统测试矩阵

图2 AEB系统测试场景及关键测试设备

图3 2款试验车辆的TTC响应数据

图4 2款试验车辆的制动减速度

图5 100%偏置率、试验A1的制动减速度

图6 2款试验车辆的TTC响应数据

图7 低速场景下试验车辆制动停止后与目标距离

图8 2款试验车辆的TTC响应数据

图9 试验车辆A1在65 km/h 速度点下的制动减速度数据

图10 2款试验车辆的TTC响应数据

参考文献 16

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不同光照不同偏置率碰撞场景的AEB系统测试与评价

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

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