Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/69674
Title: Comprehensive Modeling of Friction in a Hard Disk Drive Actuator
Authors: Peng, K. 
Cheng, G. 
Chen, B.M. 
Lee, T.H. 
Keywords: Actuator
Hard disk drives
Identification of friction
Modeling
Issue Date: 2003
Source: Peng, K.,Cheng, G.,Chen, B.M.,Lee, T.H. (2003). Comprehensive Modeling of Friction in a Hard Disk Drive Actuator. Proceedings of the American Control Conference 2 : 1380-1385. ScholarBank@NUS Repository.
Abstract: This paper deals with the modeling of the voice coil motor (VCM) with nonlinearities from friction in the actuator rotary pivot bearing and data flex cable in a hard disk drive (HDD). They are two of major nonlinearities in the VCM motor, which result in large residual errors and deteriorate the performance of head positioning servo systems. The basic idea to build the model of the VCM motor with the nonlinearities is to identify the configuration of the VCM motor through analysis of physical effects and to determine the parameters with the Monte Carlo method to match the measured frequency response. The verification of the identified model shows that the established model is sufficient to characterize the VCM motor with the nonlinearities.
Source Title: Proceedings of the American Control Conference
URI: http://scholarbank.nus.edu.sg/handle/10635/69674
ISSN: 07431619
Appears in Collections:Staff Publications

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