308 適応信号処理アルゴリズムによる転がり軸受の音響診断 : 適応線スペクトル強調器にIMS, GALおよびLSLアルゴリズムを用いた特性(計測・音質・診断,OS-19 音響・振動)

概要

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In this research, an acoustic diagnosis technique correspond to strong non stationary signal for a failure rolling bearing a kind of rotary machinery components is proposed using adaptive signal processing algorithms. This proposed acoustic diagnosis technique is used to three adaptive signal processing algorithms to identify optimum algorithm for exactly detecting failure rolling bearing. In this paper, applied adaptive signal processing algorithms are investigated against adaptive line enhancer a kind of adaptive filter to extract a periodic abnormal signal including noise generated by machinery components. Finally, optimum adaptive algorithm in order to diagnose a failure rolling bearing has been identified using a rotary machinery simulator.
2004-09-27