电阻应变测量中提高精度的方法研究  

Research on Method of Improving Accuracy in Resistance Strain Measurement Technique

作　　者：李盼菲 Li Panfei

机构地区：[1]中国船舶重工集团公司第七一三研究所

出　　处：《计量与测试技术》2019年第12期62-64,共3页Metrology & Measurement Technique

摘　　要：应力应变测量中,应变信号非常微弱,只有微伏级,因此很容易受到外界干扰导致数据无效。文章分析了电阻式应变计的工作原理,从多个角度提出了影响应变测量结果的因素,并提出了修正措施。It is difficult to measure strain signal due to the signal is very weak and sensitive to outside interference.The article analyzes the working principle of the resistive strain gauge,proposes the factors affecting the strain measurement results from several angles,and proposes corrective measures.

关 键 词：应力应变 应变片 泊松比 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]