Intelligent optical disk drive control method

Details Intelligent optical disk drive control method Intelligent optical disk drive control method

1997-09-15

1999-02-02

Neyzari, Ali

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 4411, G11B 1722

Patent

active

058674560

ABSTRACT:
An intelligent optical disk drive control method for rapidly and accurately controlling the movement of an optical pick-up head of an optical disk drive, including the steps of: (a) defining a movement mode for the optical pick-up head; (b) providing a reference message according to the movement mode defined by step (a); (c) moving the optical pick-up head according to the reference message provided by step (b), and providing a feedback message subject to the actual movement of the optical pick-up head when the optical pick-up head is moved; and (d) comparing the feedback message with the reference message, then using a fuzzy control and a proportional integration control to adjust the movement mode of the optical pick-up head subject to the comparison result, so as to let the actual movement mode of the optical pick-up head follow the predetermined movement mode.

REFERENCES:
patent: 5424886 (1995-06-01), Tomitaka

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