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Optimization of Braking Strategy for Automatic Emergency Braking System in Vehicle-Pedestrian Accidents

Journal Article
07-12-02-0009
ISSN: 1946-4614, e-ISSN: 1946-4622
DOI: https://doi.org/10.4271/07-12-02-0009
Published March 23, 2020 by SAE International in United States
Optimization of Braking Strategy for Automatic Emergency Braking System in Vehicle-Pedestrian Accidents
Sector:
Citation: Qian, Y., Yang, X., Xiao, L., and Zhu, Y., "Optimization of Braking Strategy for Automatic Emergency Braking System in Vehicle-Pedestrian Accidents," SAE Int. J. Passeng. Cars - Electron. Electr. Syst. 12(2):117-128, 2019, https://doi.org/10.4271/07-12-02-0009.
Language: English

Abstract:

Braking strategy is the core of the automatic emergency braking (AEB) system. How to make the braking strategy of the AEB system more suitable for real traffic conditions and more acceptable to drivers is a very important research. This article carries out the braking strategy optimization for the AEB system. From the vehicle-pedestrian accidents collected by the National Automobile Accident In-depth Investigation System (NAIS) of Songjiang Station, this article selects typical cases equipped with event data recorder (EDR) and then analyzes the EDR data. On this basis, the strategy for the optimization of the AEB system is formed. The optimized strategy is simulated in the test scenario specified in the European New Car Assessment Programme (Euro-NCAP) and compared with the real vehicle test results. The result illustrates that the optimized braking strategy is more effective to avoid or mitigate collisions.