Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Control for Minimizing Power Consumption in Micro Disk Drives

마이크로 디스크 드라이브의 전력소모 최소화 제어

  • 백상은 (삼성종합기술원 스토리지연구실) ;
  • 심준석 (삼성종합기술원 스토리지연구실) ;
  • 강창익 (제주대학교 해양계측공학과)
  • Published : 2004.02.01
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Abstract

Recently, the demand for micro hard disk drive that provides high-capacity removable storage for handhold electronic devices is growing very rapidly Reducing power consumption is one of the primary control objectives in micro disk drives. The input power delivered to the seek servo system is consumed as heat by the transistors of power amplifier and motor coil resistance. In this paper, we present a new seek servo controller for minimizing the power consumption. We use a Fourier decomposition and nonlinear programming to determine the optimum seek profile that minimizes the power consumption. Also, the trajectory tracking controller is developed for exact tracking of the optimum seek profile. Finally, we present some experimental results using a commercially available micro disk drive in order to demonstrate the superior performance of the proposed controller.

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References

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