本系统以设计题目的要求为目的，采用80C51单片机为控制核心，利用超声波传感器检测道路上的障碍，控制电动小汽车的自动避障，快慢速行驶，以及自动停车，并可以自动记录时间、里程和速度，自动寻迹和寻光功能。整个系统的电路结构简单，可靠性能高。-The system design requirements for the purpose of the topic, using 80C51 single-chip microcomputer to control the core, the use of ultrasonic sensors detect obstacles on the road, control of electric cars automatic obstacle avoidance, fast low traffic speeds, as well as the automatic parking, and can automatically record the time , mileage and speed, automatic ray tracing and searching functionality. Circuit the whole system of simple structure, high reliability.