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Abstract
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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
Submitted: October 09, 2012
Accepted: December 03, 2012
Published: May 25, 2013 |
Abstract:
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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.
Key words: Chaotic theory, friction torque, information mining, rolling bearing, space applications, ,
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Cite this Reference:
Xintao Xia, Long Chen, Lili Fu and Jianhua Li, . Information Mining for Friction Torque of Rolling Bearing for Space Applications Using Chaotic Theory. Research Journal of Applied Sciences, Engineering and Technology, (22): 5223-5229.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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