霍尔传感器A3144在精确位移测量中的应用  

Application of Hall-Effect Sensor A3144 in Precise Displacement Measurement

作　　者：匡付华 朱丁才 

机构地区：[1]深圳市浚海仪表设备有限公司,深圳518045

出　　处：《自动化仪表》2005年第10期40-41,共2页Process Automation Instrumentation

摘　　要：介绍了Allegro公司推出的霍尔传感器A3144的性能特点,利用单片机AdμC831的两个通用I/O口通过两块A3144实现了精确位移测量及自动判断转向的,并给出了实际应用的源程序。实际运行表明,本系统具有控制技术先进、测量精度高、运行可靠等优点。The features of Hall-effect sensor A3144 provided by Allegro Micro,Systems Corporation are presented. Precise displacement measurement and automatic direction judgement are implemented by using two general I/O ports of AdμC831 single chip computer and two A3144s. The source program of practical application is given. The operation shows that the system offers advanced control technology, high accuracy and reliability.

关 键 词：霍尔传感器A3144 精确位移测量 源程序 测量精度 电动执行机构 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]