Drivers’ Collision Avoidance Limit by Braking and Steering

doi:10.11908/j.issn.0253-374x.2016.11.015

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Drivers’ Collision Avoidance Limit by Braking and Steering
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                        10.11908/j.issn.0253-374x.2016.11.015
                    
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                        LI LinLI Lin
Collaborative Innovation Center of Intelligent New Energy Vehicle, Tongji University, Shanghai 201804，China; Shanghai International Automobile City Group Co.,Ltd., Shanghai 201804, China
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ZHU XichanZHU Xichan
Collaborative Innovation Center of Intelligent New Energy Vehicle, Tongji University, Shanghai 201804，China
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CHEN HailinCHEN Hailin
Shanghai International Automobile City Group Co.,Ltd., Shanghai 201804, China
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Abstract:

The limit of drivers’ capacity of collision avoidance by braking and steering were analyzed in this paper based on the charateristics of drivers’ collision avoidance manervers and vehicle dynamics. The critical values of timetocollision(TTC) of these two different collision avoidance manervers were obtained and compared. The influences of road coefficient and overlap rate were also analyzed. The results quantitatively show that under certain conditions such as high relative speed, low friction coefficient, and small lateral overlap, the collision avoidance by steering is easier than by braking.

Key words:braking; steering; collision avoidance limit

Reference

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LI Lin, ZHU Xichan, CHEN Hailin. Drivers’ Collision Avoidance Limit by Braking and Steering[J].同济大学学报(自然科学版),2016,44(11):1743~1748

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Received:December 09,2015
Revised:April 17,2016
Adopted:July 07,2016
Online: December 02,2016
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