High-precision strain measuring technology based on double-channel parametric measurement

ZHANG Jia-wei; LIU Fang

doi:10.13873/j.1000-97872011.02.043

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High-precision strain measuring technology based on double-channel parametric measurement

更新时间：2025-09-11

- High-precision strain measuring technology based on double-channel parametric measurement
- Vol. 30, Issue 2, Pages: 88-90(2011)
- 作者机构：
  
  东北林业大学机电工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872011.02.043
  CLC： TP274.2
- Published：2011
- 稿件说明：
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[1]张佳薇,刘方.基于双通道参数检测的高精度应变测量技术[J].传感器与微系统,2011,30(02):88-90.

ZHANG Jia-wei, LIU Fang. High-precision strain measuring technology based on double-channel parametric measurement[J]. 2011, 30(2): 88-90.
[1]张佳薇,刘方.基于双通道参数检测的高精度应变测量技术[J].传感器与微系统,2011,30(02):88-90. DOI： 10.13873/j.1000-97872011.02.043.

ZHANG Jia-wei, LIU Fang. High-precision strain measuring technology based on double-channel parametric measurement[J]. 2011, 30(2): 88-90. DOI： 10.13873/j.1000-97872011.02.043.

摘要

针对应变检测中外界因素对检测结果的干扰

检测电路中器件参数非理想化给检测精度带来的影响

应用双通道参数检测原理

设计了高精度应变检测电路

介绍其工作原理

并对检测电路的转换函数进行误差分析。在此基础上设计了应变检测仪

通过实验验证

应变检测值呈良好的线性关系

而且与理论值很接近

具有较高的测量精度、稳定性、抗干扰性和可靠性。该分析误差的方法在其他电路设计中有一定的参考价值。

Abstract

Perturbing factors and parameters of the unstable circuit elements bring bad effects on the accuracy of strain measurement.Aimed to improve the accuracy

the measuring circuit based on two-channel parametric measurement with resistance strain-gauge half-bridge is designed.The principle of strain measurement is introduced

then the errors of measuring circuits is analyzed.A measuring system based on the principle is developed.The test indicates that linear values are close to the nominal values and the accuracy

stability

anti-interference and reliability are excellent.The approach of analyzing error is worthwhile for other circuits.

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references

应变测量系统误差分析 [J]. 李艳,李新娥,裴东兴. 现代电子技术 . 2008(24)

应变式压力传感器及其应用电路设计 [J]. 李艳,李新娥,裴东兴. 计量与测试技术 . 2007(12)

高温应变测试方法与测试系统开发 [J]. 陆敏恂,粟亮,刘晓东. 传感器与微系统 . 2006(12)

基于双恒流源法的高精度应变测量技术 [J]. 习友宝,古天祥. 电子科技大学学报 . 2005(03)

多通道高精度应变测量技术研究 [J]. 刘宝华. 计量学报 . 2003(03)

应力应变电测技术[M]. 国防工业出版社 , 郑秀瑗, 1985

Double-channel parametric transducers with linear conversion functions [J] . V. N. Nesterov. Measurement Techniques . 1999 (5)

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