DETECTING FATIGUE CRACKS IN GEARS BY VIBRATION SIGNAL ANALYSIS

Abstract

Abstract: Detecting fatigue cracks in gears of a gearbox in operation is of significance in certain engineering fields. One method for this purpose is vibration signal analysis, which is easy to realize at high speed by various kinds of digital analyser. This paper presents three approaches based on vibration signal analysis to detecting fatigue cracks in gears. They are confirmed to be applicable by both theoretical analysis and practical applications.

Key words: 倒频谱, 幅值解调, 滤波, 疲劳裂纹, 相位解调, 信号同步平均, 主频率分量, Composite Manufacturing, Residual Stress, Selective Laser Melting

He Qing;Zhang Hehao;Yan Dinghong. DETECTING FATIGUE CRACKS IN GEARS BY VIBRATION SIGNAL ANALYSIS[J]. , 1989, 25(4): 68-74.

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DETECTING FATIGUE CRACKS IN GEARS BY VIBRATION SIGNAL ANALYSIS

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