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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/32176

Title: Output Feedback Sliding Mode Control for a Linear Focusing Actuator in Digital Video Cameras
Authors: Hsing-Cheng Yu;T. S. Liu
Contributors: 國立臺灣海洋大學:系統工程暨造船學系
Date: 2007-11
Issue Date: 2012-06-15T07:34:33Z
Publisher: IEEE Transactions on Magnetics
Abstract: abstract:The output feedback sliding mode control offers an effective positioning method by robustness to parameter variation and disturbance rejection. This paper presents the output feedback sliding mode control based on a position estimation algorithm written in the microprocessor for use in the focusing control system of a digital video camera to achieve fast focusing response and accurate positioning despite vibration and friction of the movable part of the linear focusing actuator. The focusing performance by utilizing the output feedback sliding mode control includes a 60-ms setting time and 7- m steady-state error, respectively, which are only half and one-third of those in proportional-integral-derivative control when the movable part of the linear focusing actuator moves at a 5-mm stroke.
Relation: 43(11), pp.4048-4050
URI: http://ntour.ntou.edu.tw/handle/987654321/32176
Appears in Collections:[系統工程暨造船學系] 期刊論文

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