Design of seek control of hard disk drive using discrete-time sliding mode control

@article{Chung2004DesignOS,
  title={Design of seek control of hard disk drive using discrete-time sliding mode control},
  author={Chung Choo Chung and Jae-Wan Jang and Ho Seong Lee},
  journal={Proceedings of the 2004 IEEE International Conference on Control Applications, 2004.},
  year={2004},
  volume={1},
  pages={533-538 Vol.1}
}
We present a modified improved time-optimal sliding-mode control of hard disk drives. A second order velocity reference profile is used with a linear region as the conventional proximate time-optimal servomechanism. In a nonlinear velocity region, time varying sliding surface is used while in a linear region, a fixed time invariant sliding surface is used. We have obtained improved seek performance over the previous results using discrete-time sliding mode proximate time-optimal seek control… CONTINUE READING

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