Analysis method based on the quantum Hadamard transform for rolling bearing vibration signals

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Journal of Vibration and Shock ›› 2019, Vol. 38 ›› Issue (2) : 116-122.

WANG Huaiguang1，CHEN Yanlong2，YANG Wangcan1，WANG Qiang1

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Abstract

Based on the traditional analysis method for rolling bearing vibration signals,in the process of de-noising it is easy to confuse noises and non-noises.To solve the problem,an analysis method based on the quantum Hadamard transform was proposed.In the method the inner information was analysed deeply at every sampling point by using the quantum transform.Then the fault information in fault vibration signals was highlighted during the signal de-noising.In the data processing,the analysis effects were improved by virtue of the quantum theory.The experiment results show that comparing with the traditional mathematical morphology analysis algorithm,the method based on the quantum Hadamard transform can better improve the effect of de-noising and enhance the fault signals for rolling bearings.

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signal analysis / vibration signal / quantum Hadamard transform

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WANG Huaiguang1，CHEN Yanlong2，YANG Wangcan1，WANG Qiang1. Analysis method based on the quantum Hadamard transform for rolling bearing vibration signals[J]. Journal of Vibration and Shock, 2019, 38(2): 116-122

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