电阻应变片信号的单回路差动测量  

Single Loop Differential Method for Measuring Signal for Resistance Strain Gauge

作　　者：李希胜[1] 王绍纯[1] 

机构地区：[1]北京科技大学,北京100083

出　　处：《仪表技术》2000年第1期38-38,42,共2页Instrumentation Technology

摘　　要：针对电阻应变片输出信号的测量问题，本文提出了一种新方法──单回路差动法。它与传统的桥路法相比，可以消除引线电阻对测量结果的影响。实验研究表明，该技术方案可行。A new method (single loop differential method)for measurement of signal from strain gauges,is proposed in this paper.Compare with the conventional bridge circuit method can eliminate the influence of lead wire resistance on the measurement.The results of experiments show that this method is feasible.

关 键 词：电阻测量 应变片 差动法 输出信号 

分 类 号：TM934.1[电气工程—电力电子与电力传动] TH823.3[机械工程—仪器科学与技术]