Analysis on control methods of two-stage positioning for high-density optical disk mastering

Quanhong Shen; Peijun Jiang; Guosheng Qi; Duanyi Xu; Jie Song

doi:10.1117/12.574479

3 January 2005 Analysis on control methods of two-stage positioning for high-density optical disk mastering

Quanhong Shen, Peijun Jiang, Guosheng Qi, Duanyi Xu, Jie Song

Proceedings Volume 5643, Advances in Optical Data Storage Technology; (2005) https://doi.org/10.1117/12.574479
Event: Photonics Asia, 2004, Beijing, China

Abstract

Two stage positioning method which is composed of coarse positioning and fine positioning is a way to increase the precision of linear feeding in high density disk mastering. The control method of two stage positioning is proposed in this paper. Different control models are compared and the suitable one is chosen. The PID controllers for coarse and fine tables are designed. The numerical simulating results show that the two stage positioning system with PID controllers has good performance in linear feeding with steady error less than 10nm. The coarse positioning table compensates the major component of displacement in linear feeding while the fine positioning table compensates the minor one. The two stage positioning system can well satisfied the requirement of high density disk mastering in theoretical.

Citation Download Citation

Quanhong Shen, Peijun Jiang, Guosheng Qi, Duanyi Xu, and Jie Song "Analysis on control methods of two-stage positioning for high-density optical disk mastering", Proc. SPIE 5643, Advances in Optical Data Storage Technology, (3 January 2005); https://doi.org/10.1117/12.574479

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