한국소음진동공학회논문집 (Transactions of the Korean Society for Noise and Vibration Engineering)

  • 제15권1호
  • /
  • Pages.29-38
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  • 2005
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  • 1598-2785(pISSN)
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  • 2287-5476(eISSN)
한국소음진동공학회 (The Korean Society for Noise and Vibration Engineering)
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위상 평면을 이용한 광 디스크 트랙 끌어들임의 동적 해석 및 영향 인자의 평가

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

  • 최진영 (연세대학교 대학원 정보저장공학협동과정) ;
  • 박태욱 (연세대학교 정보저장기기 연구센터) ;
  • 양현석 (연세대학교 정보저장기기 연구센터) ;
  • 박노철 (연세대학교 정보저장기기 연구센터) ;
  • 박영필 (연세대학교 정보저장기기 연구센터)
  • 발행 : 2005.01.01
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초록

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.

키워드

참고문헌

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