超声波测距在汽车停车泊位中的应用  

Application of Ultrasonic Distance Measurement to Automobile Parking Berth

作　　者：王祖麟[1] 谢毓[1] 

机构地区：[1]江西理工大学机电工程学院,江西赣州341000

出　　处：《自动化信息》2009年第5期47-48,共2页Automation Information

摘　　要：本系统的硬件基于ARM7，软件基于μC／OS—Ⅱ实时多任务操作系统。本文介绍了以ARM7为控制核心的超声波汽车停车泊位检测报警系统，重点分析了超声波测距的原理、超声波收发器与ARM7的连接与实现以及系统的软件流程设计。该系统在汽车电子方面有一定的实用价值。The hardware of this system is based on the ARM7, while the software on the μC/OS-Ⅱ real-time multi-tasking operating system. This paper introduces the alarming system of ultrasonic automobile parking berth detection based on ARM7 , with focus on the analysis of principle of ultrasonic ranging, the connection and realization of hardware circuits between ultrasonic transceiver and ARM7and the design of the software flow chart. This system is of some practical application value in automotive electronics.

关 键 词：超声波测距 泊位 μC/OS-Ⅱ 汽车电子 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]