摘要
介绍了以AVR单片机为控制核心,热释电红外传感器检测人流,单片机通过驱动电路控制直流无刷电动机,光电编码器检测电机转速和转向,并结合显示电路、故障检测电路的自动门控制系统。硬件电路简单,软件功能完善,整个系统性能可靠、灵敏度高。
This paper introduces the automatic door control system based on AVR single chip microcomputer,detection of the flow of people using pyroelectric infrared sensor,MCU output controlled brushless DC motor by driving circuit,photoelectric encoder detect the motor speed and steering,combined with display circuit,fault detection circuit.The hardware circuit is simple,software functional is fully,the entire system performance is reliable,and sensitivity is high.
出处
《信息技术》
2010年第7期123-125,共3页
Information Technology
关键词
自动门
控制系统
单片机
automatic door
control system
MCU
