疲劳是人们连续的体力劳动或脑力劳动后,工作能力暂时下降的生理状态。疲劳对于汽车驾驶员有至关重要的关系。在行车中由于长时间的操作和精力的消耗,会产生疲劳现象,如果继续驾驶车辆,会导致驾驶员判断能力下降,反应迟钝和操作失误增多,极易引起重大交通事故。据交通管理部门的统计资料表明,许多重大责任事故是因驾驶员疲劳驾 Fatigue is the physical state in which people’s ability to work temporarily declines after continuous physical or mental work. Fatigue is of crucial importance to car drivers. In the driving due to prolonged operation and energy consumption, will produce fatigue phenomenon, if continue to drive the vehicle, will lead to the driver to judge the ability to slow, unresponsive and increased operating errors, can easily lead to major accidents. According to statistics from traffic authorities, many major accidents are due to driver fatigue