高精度应变检测电路设计及误差分析  

Design of Error Analysis for Highly Precise Strain Detection Circuit

作　　者：张佳薇[1] 刘方[1] 

机构地区：[1]东北林业大学机电工程学院,黑龙江哈尔滨150040

出　　处：《自动化仪表》2011年第6期83-86,共4页Process Automation Instrumentation

基　　金：黑龙江省博士后科研启动基金资助项目(编号:LBH-Q09174)

摘　　要：应变检测在许多工业领域中都有着重要应用。为提高应变检测精度,通过分析检测电路设计方法,利用基于双通道参数检测的原理设计了三种高精度应变检测电路。经过对三种电路的比较研究,选取了一种适用性较强的电路设计方法,为实现应变的高精度检测提供了理论基础。介绍了检测电路的工作原理,并进行了误差分析。其设计思路及分析电路误差的方法对于其他参数检测也具有一定参考意义。Strain detection plays important role in many industrial areas.In order to increase the detection accuracy,through analyzing the design method of detection circuit,by using the principle of dual channel parameter detection,three highly precise strain detection circuits are designed.The operational principles of the circuits are introduced,and their errors are analyzed respectively.Through comparing research on these three circuits,the most suitable design method is selected;this provides theoretical foundation for highly precise strain detection.The design concept and the method for analyzing error are also valuable for detecting other parameters.

关 键 词：参数检测 应变检测 检测电路 高精度 误差分析 

分 类 号：TP202[自动化与计算机技术—检测技术与自动化装置]