抄録
In this study, methodologies for estimating the accident mitigation ratio using the collision avoidance system are discussed. In these methodologies, the driver's braking or steering and viewing behavior are investigated in a driving simulator. Braking or steering behaviour was identified in terms of the reaction time for braking or steering in order to avoid a collision or lane deviation and viewing behaviour was identified in terms of the duration from looking off a leading vehicle to looking back. Next, to investigate the combined effect based on the reliability of driver and the reliability of system, two different kinds of reliability-estimation model simulating its operating status were constructed. The effectiveness of the system with different control setting can be quantitatively compared as the collision frequency or lane-deviation frequency calculated through time series Monte Carlo simulations or statistical calculations based on the reliability-estimation model.
