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http://dx.doi.org/10.5050/KSNVN.2005.15.5.578

Estimation of Tracking Vibration Quantity for an Optimal Tracking Controller Design  

Lee, Moon-Noh (동의대학교 컴퓨터공학과)
Jin, Kyoung-Bog (한국기술교육대학교 메카트로닉스공학부)
Lee, Jong-KeuK (동의대학교 컴퓨터공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.15, no.5, 2005 , pp. 578-585 More about this Journal
Abstract
In this paper, we present a schematic method estimating the tracking vibration quantity occurring in the track-following system of an optical recording device. A tracking loop gain adjustment algorithm is introduced to estimate accurately the tracking vibration quantity in spite of the uncertainties of the tracking actuator, Accordingly, the tracking vibration quantity can be estimated from the tracking error, the controller output, the nominal actuator model, and a compensated gain. An optimal tracking controller can be designed from a minimum tracking open-loop gain calculated by the estimated tracking vibration quantity The proposed vibration quantity estimation and controller design method are applied to the track-following system of an optical recording device and are evaluated through the experimental result.
Keywords
Tracking Vibration Quantity; Tracking Loop Gain Adjustment; Minimum Tracking Open-Loop Gain; Maximum Vibration Acceleration; Weighting Function;
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