根据多传感器接收到的前方车辆目标信息和本车的状态信息,利用多源信息融合技 术,识别出本车前方车辆的距离和速度等状态信息,并进行碰撞危险估计,是一种主动式的防撞、防抱死的汽车安全系统,它使反应时间、距离、速度三个方面都能得到优化控制,同时也为提高使用车速、增加道路通行能力、实现自动化驾驶等奠定了良好的基础。 [关键词]:传感器,速度,自动控制,单片机 [Abstract]:the status messages for distance and speed of the forword voiture can be identified by receiving information from the forword and this car based on the multi-sensor and using the technic of multi-source information crasis,and then estimate the collision risk.This is a kind of safety system for the car which can prevent collision and death actively , and optimize the control of reaction time、distance and speed , at the same time , it establishes a good foundation for enhancing using speed 、increasing traffic ability and realizing auto driving. [Key words]:Sensor; Speed; Auto Control; SCM