2.BrakingProcess(3) The process of brakes stable working condition1> usually that is the process of vehicle with lock condition.（抱死滑拖时间） It depends on the initial speed value(4)Theprocessof releasingbrakesT4T is the time used to release itself by the brakes. Usually T <0.8secpedal forceduldttouch thegairpedalduldtsth wronglockbeginto1t2t2+1:t.,t2t1t3±4
2.Braking Process （3）The process of brakes stable working condition—— usually that is the process of vehicle with lock condition. （抱死滑拖时间） It depends on the initial speed value. （4）The process of releasing brakes—— is the time used to release itself by the brakes. Usually <0.8sec 3 4 4 4
3.StoppingDistance-(1) Definition: The distancewhich vehicle passes throughdu/dtifrom the moment of brakesapplication to the moment ofvehicle's stop.( the distance of t2 and t3)2t2t3t2
3.Stopping Distance——S （1）Definition: The distance which vehicle passes through from the moment of brakes’ application to the moment of vehicle’s stop. ( the distance of τ2 and τ3 )