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A Vibration Signal Preprocessing Method for Hydraulic Pump Based on ILCD Fusion

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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 516))

Abstract

Hydraulic pump vibration signal preprocessing is the basis for failure prediction. The vibration signal preprocessing method based on ILCD fusion is proposed to solve the problem that the vibration signal is nonlinear and the feature information is weak. Firstly, the high-frequency harmonics are combined with ILCD to decompose multi-channel vibration signals, and ISC components can be achieved. Secondly, the sensitive factors are defined as evaluation indexes, and the sensitive components containing the fault feature information are screened and weighted fusion. The reconstructed signal is obtained to reduce the noise and other interference components and effectively extract the fault feature information. Finally, the effectiveness of this method is verified by measuring the vibration signal of the hydraulic pump.

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Correspondence to Han Dong .

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© 2020 Springer Nature Singapore Pte Ltd.

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Dong, H., Jian, S. (2020). A Vibration Signal Preprocessing Method for Hydraulic Pump Based on ILCD Fusion. In: Liang, Q., Liu, X., Na, Z., Wang, W., Mu, J., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2018. Lecture Notes in Electrical Engineering, vol 516. Springer, Singapore. https://doi.org/10.1007/978-981-13-6504-1_38

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  • DOI: https://doi.org/10.1007/978-981-13-6504-1_38

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-6503-4

  • Online ISBN: 978-981-13-6504-1

  • eBook Packages: EngineeringEngineering (R0)

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