自触发式位移传感器设计与精度控制分析  

Design and Precision Control Analysis of Self-triggering Displacement Sensor

作　　者：刘建平 李福川[1] 毕根凤 

机构地区：[1]航天科工惯性技术有限公司,北京100074

出　　处：《中国仪器仪表》2019年第2期57-60,共4页China Instrumentation

基　　金：国家科技重大专项课题(2010ZX03006-007)

摘　　要：提出一种位移量可实时采集上报的拉绳式位移传感器的设计方案,主要用于山体滑坡、危岩、尾矿边坡的地表裂缝自动化监测,解决了人工监测和常规自动化监测的弊端。分析了传感器测量精度的各影响因素,如绕线机构的绕线摆角误差、传感器供电电压变化、传感器非线性输出,并提供了相应的精度控制方法,从而实现了传感器的高精度,使得位移数据更加精准,并拓宽了传感器的应用领域。This paper presents a design scheme for a rope-pulling displacement sensor whose displacement can be reported in real-time, it is mainly used for automatic monitoring of surface cracks in landslides, the dangerous rock body and the tailings, solved the disadvantages of manual monitoring and routine automatic monitoring. Analyzed the influence factors of sensor measurement precision, Such as the the error of winding angle,the unstable supply voltage, sensor nonlinear output, and provided the scheme of precision control, thus the high precision of the sensor is realized,It makes the displacement data more accurate,and the application of sensors has been expanded.

关 键 词：位移传感器 自触发 精度分析 误差控制 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]