摘  要：介绍一种基于C8051F310单片机的直流电机转速的实时监控系统设计，并给出该系统的硬件电路和软件设计。该系统具有结构简单，功能可再扩展、调速性能良好、运行可靠的特点，可以很好地监控电机的实时转速。
关键词：单片机；直流电机；实时转速

Abstract: Introduced the design of real-time monitoring DC motor speed system based on C8051F310 SCM,and also gave the realization of the system’s hardware and software.The system have simple structure,expending function,good speed adjusting performance,high reliability  operation and can wonitor the real-time speed of motor.
Key Words: SCM；DC motor；Real-time speed