Vehicular Stop and Go ( SG ) cruise control system aiming at the city complicated traffic situation is being paid remarkable attention, which is one of the important research aspects of the advanced safety vehicle technologies.  针对城市拥挤交通工况的车辆走-停巡航控制系统是先进汽车主动安全技术领域一个新的研究方向,正日益受到重视。