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2013 (Vol. 5, Issue: 22)
Article Information:

Information Mining for Friction Torque of Rolling Bearing for Space Applications Using Chaotic Theory

Xintao Xia, Long Chen, Lili Fu and Jianhua Li
Corresponding Author:  Xintao Xia 

Key words:  Chaotic theory, friction torque, information mining, rolling bearing, space applications, ,
Vol. 5 , (22): 5223-5229
Submitted Accepted Published
October 09, 2012 December 03, 2012 May 25, 2013
Abstract:

Information on the friction torque time series of rolling bearings for space applications is mined to reveal its intrinsic operative mechanism of nonlinear dynamics. Based on the chaos theory and the simulation experiment of the changing vacuum, this study studies the changing characteristic of the friction torque with the decreasing vacuum in physical space, investigates variety and complexity forms of the strange attractor of the friction torque in phase space and estimates the maximum Lyapunov exponent and the correlation dimension. As a result, the intrinsic operative mechanism of nonlinear dynamics of the rolling bearing friction torque is characterized by a nonlinear and non-monotonic trend of the estimated correlation dimension with the increasing mean of the friction torque.
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  Cite this Reference:
Xintao Xia, Long Chen, Lili Fu and Jianhua Li, 2013. Information Mining for Friction Torque of Rolling Bearing for Space Applications Using Chaotic Theory.  Research Journal of Applied Sciences, Engineering and Technology, 5(22): 5223-5229.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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