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Blind Source Separation on Complicated Vibration Signal of Power Distribute Box According to Higher-Order Cumulant Method
Technical Paper
2007-01-3519
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The reliability of each parts of vehicle has important function for the work stability in the normal drive of vehicle. The vibration of power distribute box in some heavy truck is quite severe, and result in the fixing bolt of hydraulic pressure pump break. The pump is to help for moving direction change. This will give rise to truck working abnormal. It is discovered that the there are several excite source act on the power distribute box. The vibration is complicated. It is difficult to find out the cause that result in the bolt break with normal method. For processing this problem, the vibration signals of power distribute box are identified according to the higher-order cumulant method of blind source separation in the paper. The main vibration source signals are separated and the cause of bolt break is found out by the method. The relativity eliminating method is used in the higher-order cumulant method for improving the independence of source vibration signals in the process of signals separation. This research provide the fundamentally reference for vibration analysis, testing and fault diagnoses.
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Citation
Shunming, L. and Shanpo, W., "Blind Source Separation on Complicated Vibration Signal of Power Distribute Box According to Higher-Order Cumulant Method," SAE Technical Paper 2007-01-3519, 2007, https://doi.org/10.4271/2007-01-3519.Also In
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