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Vol. 170, Issue 5, May 2014, pp. 24-29




Diagnosing the Gear Based on State Space Reconstruction Theory

Miaoxin Xiao, Jianhua Liu

Department of Electrical Engineering, Xinxiang University, XinXiang, 453003, China
Tel.: 86-15837375133

E-mail: xiaomiaoxin74@163.com, ljh999ljh@163.com


Received: 23 January 2014 /Accepted: 7 April 2014 /Published: 31 May 2014

Digital Sensors and Sensor Sysstems


Abstract: The gear fault is usually accompanied with signal discontinuity. The gear fault vibration signals are mostly unstable, nonlinear and time varying signal, so it is important to choose a suitable signal analysis method. The most common method in the analysis of nonlinear time series is the Method of Delays. Many techniques have been suggested to choose appropriate parameters, like embedding dimension m and delay time t. In this paper, a unit algorithm of FNN (False Nearest Neighbors) and AD (Average Displacement) methods to select m and t. The algorithm fit to Rssler system and the results are quite identical to empirical choice, which confirms our idea.


Keywords: Gear diagnosing, Space reconstruction, Nonlinear series, Time delay, Average displacement.


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