Collision-mitigation level of collision-avoidance braking system Online publication date: Thu, 30-Oct-2014
by Keisuke Suzuki; Hitoshi Tanaka; Yoshiki Miichi; Masami Aga
International Journal of Vehicle Safety (IJVS), Vol. 7, No. 1, 2014
Abstract: In this study, a methodology for estimating the collision mitigation ratio using collision-prevention support braking system is discussed. A method for analysing the collision-mitigation ratio is discussed through a time series Monte-Carlo simulation based on the integrated error of driver and system. First, driver performance in terms of braking timing and deceleration level for collision avoidance was investigated in a driving simulator when the control timing of the braking-support system was changed. In this analysis, the braking behaviour of the driver during malfunction of the system and this behaviour when the driver was informed about the malfunction of the system were also investigated. Next, a driver model simulating braking operation, when a preceding vehicle started slowdown, was constructed. Through time series Monte-Carlo simulations using this driver model, the frequency of collisions to a preceding vehicle and the collision velocity were estimated.
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