利用LMS的接触疲劳试验机振动信号处理方法  

A Method for Vibration Signal of Contact Fatigue Tester Based on LMS

作　　者：胡春海[1] 温银堂[1] 

机构地区：[1]燕山大学电气工程学院,河北秦皇岛066004

出　　处：《中国仪器仪表》2007年第3期54-55,59,共3页China Instrumentation

基　　金：河北省自然科学基金资助项目（503298）

摘　　要：接触疲劳试验机在运行过程中,对外界环境的干扰十分敏感。本文阐述了试验机的原理,并设计了振动信号检测和变换电路,提出一种基于LMS算法的振动信号分析方法,旨在提高振动信号的测量精度,减少微弱环境振动导致的信号波形杂乱,甚至失真。经实际运行,证明了该方法的有效性和实用性,为更好地判断构件失效提供了可靠的实验数据。Contact fatigue tester is very sensitive to the environment when it runs. Paper expatiate the principle of tester and designs the signal check and transforms circuit, then gives an analysis method of vibration signal based on LMS algorithm. It can improve measure precision of vibration signal and reduce disorder even distortion of signal waveform led by slight environment vibration. The practical result proves its validity and practicability. It offers reliable experiment data for judging invalidation of component more effectively.

关 键 词：接触疲劳试验机 振动信号 自适应LMS算法 信号处理 

分 类 号：TH87[机械工程—仪器科学与技术]