数字视频光盘(DVD)中的伺服系统控制

ISCE '97. Proceedings of 1997 IEEE International Symposium on Consumer Electronics (Cat. No.97TH8348) Pub Date : 1997-12-02 DOI:10.1109/ISCE.1997.658365

S. Zhu, F. Choo, K. Low, C. W. Chan, P. Kong

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引用次数: 4

摘要

DVD的存储容量至少是同等光盘大小的CD的8倍。然而，更高的密度导致了更窄的赛道和球场(赛道之间的距离)。这就要求在不损害系统稳定性和速度的限度内改进后续能力。本文对DVD伺服控制系统中的一些关键技术进行了综述和研究，这些技术与CD-ROM系统不同。其中包括用于跟踪误差产生的单光束推拉跟踪方法，用于DVD拾取主轴电机跟踪的自适应学习控制算法，以及转盘无刷直流电机的变速控制。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Servo system control in digital video disc (DVD)

The storage capacity of a DVD is at least 8 times that of a compact disc (CD) with the same disc size. However, the higher density has led to narrower tracks and pitches (distances between tracks). This requires an improvement of the follow-up capability within limits which are not detrimental to its stability and speed of the system. In this paper, some techniques pertaining to the DVD servo control system, which are critical but not identical to the CD-ROM system are reviewed and investigated. These include the one-beam push-pull tracking method used in tracking error generation, adaptive learning control algorithm for DVD pickup spindle motor tracking, and variable speed control of the turntable brushless DC motor.

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ISCE '97. Proceedings of 1997 IEEE International Symposium on Consumer Electronics (Cat. No.97TH8348)

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