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中南大学学报(英文版)

Journal of Central South University

Vol. 26    No. 10    October 2019

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Assessing performance of collision mitigation brake system in Chinese traffic environment
ZHAO Zhi-guo(赵志国)1, ZHENG Xun-jia(郑讯佳)2, WANG Jian-qiang(王建强)2, XU Qing(许庆)2, KODAKA Kenji3

1. Jiangsu Key Laboratory of Traffic and Transportation Security, Huaiyin Institute of Technology,Huaian 223001, China;
2. State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China;
3. Honda R & D Co. Ltd. Automobile R & D Center, Tochigi 321-3393, Japan

Abstract:Advanced driver-assistance systems such as Honda’s collision mitigation brake system (CMBS) can help achieve traffic safety. In this paper, the naturalistic driving study and a series of simulations are combined to better evaluate the performance of the CMBS in the Chinese traffic environment. First, because safety-critical situations can be diverse especially in the Chinese environment, the Chinese traffic-accident characteristics are analyzed according to accident statistics over the past 17 years. Next, 10 Chinese traffic-accident scenarios accounting for more than 80% of traffic accidents are selected. For each typical scenario, 353 representative cases are collected from the traffic-management department of Beijing. These real-world accident cases are then reconstructed by the traffic-accident-reconstruction software PC-Crash on the basis of accident-scene diagrams. This study also proposes a systematic analytical process for estimating the effectiveness of the technology using the co-simulation platform of PC-Crash and rateEFFECT, in which 176 simulations are analyzed in detail to assess the accident-avoidance performance of the CMBS. The overall collision-avoidance effectiveness reaches 82.4%, showing that the proposed approach is efficient for avoiding collisions, thereby enhancing traffic safety and improving traffic management.

 

Key words: active-safety technology; effectiveness assessment; accident reconstruction; autonomous emergency braking; PC-Crash

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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