基于PIC单片机和精密电位器的测角系统  

The Angle Measuring System Based on PIC Single Chip Computer and Precise Potentiometer

作　　者：李蔚恒[1] 李永田[1] 

机构地区：[1]空军第一航空学院,信阳464000

出　　处：《自动化仪表》2003年第7期22-24,共3页Process Automation Instrumentation

摘　　要：提出了一种基于PIC单片机做控制器、使用精密电位器作为传感器件测量角度的方法。设计出了简易的测角系统,并通过误 差分析,说明了它的应用前景。该方法在机械扫描天线伺服系统中得到了一定的应用。实验证明,这种测角方法可靠性高、成本低、 使用方便,精度能满足系统的要求。The angle measuring system based on PIC single chip computer as controller and precise potentiometer as transducer is stated. Thus a simple angle measuring system is designed.Through the error analysis, its application prospects are presented.The method has been applied in mechanical scanning antenna servo system.The experiment shows that the method features highly reliable low cost,easy to use,and good accuracy.

关 键 词：角度测量 精密电位器 单片机 测角系统 误差分析 机械扫描天线伺服系统 

分 类 号：TN82[电子电信—信息与通信工程] TH712[机械工程—测试计量技术及仪器]