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《Machine Dvevlpment》 2002-06
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The Calculation of Correlation Dimension and ItsApplication in the Distilling of Vibration Faults Symptoms ofRotating Machinery

LI Yang, YAO Jinxiu, WANG Renhuang (Faculty of InformationEngineering ,Guangdong University of technology , Guangzhou ,510643, Guangdong)  
Correlation dimension obtained by calculating the time e-Volving series of dynamical system's action is a quantizod index thatdescribes the complexity of nonlinear dynamical systems. And it issensitive to the initial state of system, dynamical characteristicscaused by faults, environmental factors, and that of things. This pa-per presents the method of reconstructing phase space to work outcorrelation dimension, and further discusses the effects which somefactors, such as the number of embedded dimension, sampling fre-quency, environmental noise and nonlinear coupling, have on calcu-lating result. Finally, this paper characterizes various fault types ofrotating machinery vibration via correlation dimension.
【CateGory Index】: O415.5
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