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http://dx.doi.org/10.5050/KSNVN.2005.15.1.029

Pull-in Behavior Analysis in Optical Disk Drive Using Phase Plane and Evaluations for Effecting Parameters of it  

Choi, Jin-Young (연세대학교 대학원 정보저장공학협동과정)
Park, Tae-Wook (연세대학교 정보저장기기 연구센터)
Yang, Hyunseok (연세대학교 정보저장기기 연구센터)
Park, No-Cheol (연세대학교 정보저장기기 연구센터)
Park, Young-Pil (연세대학교 정보저장기기 연구센터)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.15, no.1, 2005 , pp. 29-38 More about this Journal
Abstract
The track pull-in behavior analysis in an optical disk drive (ODD) using plane phase and the evaluations for effecting parameters of it are discussed. Track pull-in, track capture procedure to do track following control, is a key factor to increase data transfer rate. First, the relative velocity between the beam spot of an optical pick-up and the target track of an optical disk is analyzed during the track pull-in procedure. In this process, it is showed that the track error signal has nonlinear characteristics which are depending on the time. Second, Runge-Kutta method to solve the nonlinear equation is applied to find the track pull-in behavior, and some optimal parameters to get stable and fast pull-in condition are obtained. Then, the phase plane analysis for track pull-in procedure is presented. Finally, some comments for the simulated results are discussed briefly.
Keywords
Optical Disk Drive; Tracking Servo; Dynamic Behavior Analysis; Track Pull-in; Phase Plane;
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