基于超声波的汽车倒车防撞系统设计

Design of Backing Vehicle Anti-collision System Based on Ultrasonic

为了增加汽车倒车时的安全性,设计了一种基于超声波的汽车防撞系统,给出了该系统运行的基本原理及构成。介绍了系统硬件组成,并对硬件进行了选择。以超声波传感器为重点,说明了超声波测距的原理以及超声波发射与接收电路。针对该系统的功能,对控制软件进行了设计。

In order to increase the safety of vehicle backing, this paper designed a vehicle anti-collision system based on ultrasonic. The basic principle and structure of the system were introduced, and the system hardware was chosen. The paper put emphasis on the ultrasonic sensor, and gave the principle of ultrasonic distance measurement as well as the emitting circuit and the receiving circuit. According to the system functions; the system software was designed.