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This paper has studied the application of wavelet package energy spectrum and frequency energy spectrum analysis in the diesel engine fault diagnosis. Extracting the fault features by wavelet package energy spectrum and frequency energy spectrum analysis of the fault angle of fuel supply decreased 2.5° and plug of air filter, then making those as the input character of neural networks and implementing...
This paper discusses the difficulties and problems in the study of gearbox fault diagnosis currently, and moreover recommends a method to deal with non-linear model equations, non-Gaussian distribution noise of the fault diagnosis problems using particle filtering (PF) techniques. In this paper, By summarizing the current research situation and tendency both at home and abroad, it puts forward the...
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