Abstract
A new diagnosis method for diesel engine faults is presented, which is based on EMD and time-frequency distribution image processing. The vibration signals of cylinder head surface is obtained under the different conditions, such as the normal condition, the valve clearance faults condition and stop misfire condition. Each raw signal is decomposed into a finite number of intrinsic mode function components by the EMD method. The analytic signal is transformed from reconstructed signal of IMF1 and IMF2 component. The image processing of the proper time-frequency distribution can reveal running conditions of diesel.
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© 2012 Springer-Verlag Berlin Heidelberg
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Lu, J., Liu, Z., Wang, K. (2012). Fault Diagnosis of Diesel Engine Based on EMD and TFD. In: Jin, D., Lin, S. (eds) Advances in Mechanical and Electronic Engineering. Lecture Notes in Electrical Engineering, vol 176. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31507-7_43
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DOI: https://doi.org/10.1007/978-3-642-31507-7_43
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-31506-0
Online ISBN: 978-3-642-31507-7
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