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Direct seek control scheme for high-speed rotational optical disk drives

Direct seek control scheme for high-speed rotational optical disk drives

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A new seek control scheme that provides a high data transfer rate and short access time for high-speed rotational optical disk drives is proposed. Experimental results show that the access time is reduced from 43 to 15 ms for short track jump and from 104 to 76 ms for long track jump.

Inspec keywords: servomechanisms; velocity control; optical disc storage

Other keywords: direct seek control scheme; short track jump; high-speed rotational optical disk drives; long track jump; access time; 76 ms; 15 ms; data transfer rate

Subjects: Velocity, acceleration and rotation control; Electric actuators and final control equipment; Optical storage and retrieval; Optical storage

References

    1. 1)
      • M. Suzuki , H. Tanka , Y. Miura . Pull-in condition and method of trackingservo in optical disk drive. J. Inst. Tele. Jpn. , 10 , 1391 - 1397
    2. 2)
      • K. Zhou , J.C. Doyle , K. Glover . (1996) Robust and optimal control.
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