Radiated Noise Source Localization of Hydraulic Excavator Based on Wavelet Packet Analysis

Qing Qing Zhang; Yi Qi Zhou; Liang Liang Fan

doi:10.4028/www.scientific.net/AMM.415.409

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 415Radiated Noise Source Localization of Hydraulic...

Radiated Noise Source Localization of Hydraulic Excavator Based on Wavelet Packet Analysis

Abstract:

Collect a hydraulic excavators radiated noise ten meters away under set conditions, and also the relevant noises near the excavator. Analyze noise signals with wavelet packet to get the main band of energy distribution. Then calculate the two signals correlation coefficient, which identifies the muffler exhaust noise and inlet noise as the main source for right rear radiated noise.

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Periodical:

Applied Mechanics and Materials (Volume 415)

Pages:

409-413

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.415.409

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Online since:

September 2013

Authors:

Qing Qing Zhang, Yi Qi Zhou, Liang Liang Fan

Keywords:

Excavator, Radiated Noise, Wavelet Packet Analysis

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