Research on the servo-control system of super-RENS optical storage based on digital algorithm

被引：0

作者：

Geng, Yuan-Ying ^{[1
]}

Lu, Ti-Jun ^{[1
]}

Qi, Guo-Sheng ^{[1
]}

Xu, Duan-Yi ^{[1
]}

Liu, Rong ^{[1
]}

机构：

[1] Department of Precision Instrument and Mechanology, Tsinghua University, Beijing 100084, China

来源：

Guangdianzi Jiguang/Journal of Optoelectronics Laser | 2005年 / 16卷 / 07期

关键词：

Error analysis - Focusing - Photoelectric devices - Programmable logic controllers - Servomechanisms - Three term control systems;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The pick-up of the typical CD-R/W optical storage disc driver is used in this system. To realize the focus servo-control, the circuit board of super-RENS optical storage system, which is based on the DSP chip of TMS320VC5409 and the CPLD chip of XC95144XL, is used, and the digital control algorithm is applied in this system. In this paper, the principle of the generation of focus error signal is analyzed and the mechanical character of the pick-up is achieved, and the adapted digital control algorithm is designed for this system. As the result of the experiment, the control precision of ±0.27 μm for static control and ±1.35 μm for dynamic control is obtained. These results meet the needs of the experimental system.

引用

页码：854 / 857

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