How to be estimated by calculating the stopping distance by using the stopping distance estimation system and stopping distance estimation system.

摘要

PROBLEM TO BE SOLVED: To provide a stopping distance estimation system calculating precisely a stopping distance.;SOLUTION: A control part 20 includes: a determination means 207 for determining a deceleration degree and a time constant of expression 1, so that a calculated determination distance and measured determination distance are substantially the same, the calculated determination distance being calculated based on expression 1, where d_c represents the calculated determination distance, v_o represents an initial speed, t_c represents a determination time, μg represents the deceleration degree, vc represents a determination speed and τ represents the time constant; a stopping time calculating means 208 for calculating a stopping time based on expression 2, where t_s represents the stopping time; and a stopping distance calculating means 209 for calculating a stopping distance based on expression 3, where d_s represents the stopping distance.;COPYRIGHT: (C)2010,JPO&INPIT