Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/73045
Title: A mode switching controller for HDD
Authors: Dehghan, M.
Ong, C.J. 
Keywords: Hard disk drive servo
Mode Switching Control
Optimization
Saturation
Issue Date: 2012
Source: Dehghan, M.,Ong, C.J. (2012). A mode switching controller for HDD. 2012 Digest APMRC - Asia-Pacific Magnetic Recording Conference: A Strong Tradition. An Exciting New Look! : -. ScholarBank@NUS Repository.
Abstract: The servomechanism in hard disk drives is required to have a fast point-to-point motion and also a high precision positioning. Mode switching control (MSC) approaches are widely used to meet these requirements. This paper proposes a MSC that considers the effect of saturation into account and minimizes the abrupt change of controller at the moment of switching by appropriate initialization of the track-following controller. The switching instant and initial states of controller are obtained by solving a quadratic optimization problem. Simulation results show that the proposed method enables smooth mode switching and improves the settling time © 2012 DSI.
Source Title: 2012 Digest APMRC - Asia-Pacific Magnetic Recording Conference: A Strong Tradition. An Exciting New Look!
URI: http://scholarbank.nus.edu.sg/handle/10635/73045
ISBN: 9789810720568
Appears in Collections:Staff Publications

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