Short Trajectory Control between Focusing and Tracking Based on Two-Dimensional Equivalent-Perfect Tracking Control for Optical Disk

カテゴリ: 論文誌(論文単位)

グループ名: 【D】産業応用部門（英文）

発行日: 2015/05/01

タイトル(英語): Short Trajectory Control between Focusing and Tracking Based on Two-Dimensional Equivalent-Perfect Tracking Control for Optical Disk

著者名: Takahiro Ohashi (Nagaoka University of Technology), Keisuke Yoshida (Nagaoka University of Technology), Kiyoshi Ohishi (Nagaoka University of Technology), Toshimasa Miyazaki (Nagaoka University of Technology)

著者名(英語): Takahiro Ohashi (Nagaoka University of Technology), Keisuke Yoshida (Nagaoka University of Technology), Kiyoshi Ohishi (Nagaoka University of Technology), Toshimasa Miyazaki (Nagaoka University of Technology)

キーワード: optical disk，two-dimensional feedforward control system，equivalent-perfect tracking control

要約(英語): A pickup system for optical disks operates in the horizontal and vertical directions for tracking and focusing, respectively. The conventional optical disk system is designed for each direction of operation. The conventional system becomes slow in moving to the next point because it does not consider the operation trajectory. Thus, because the point-to-point movement becomes longer, there is possibility that the tracking performance is deteriorated in high-speed rotation. In order to achieve faster operation, we develop a concurrent control method of tracking and focusing on an optical disk and realize short trajectory control. In this paper, a new two-dimensional feedforward control system is proposed, which has concurrent control of focusing and tracking. The feedforward controller is based on equivalent-perfect tracking control (E-PTC). The experimental results show the effectiveness of the proposed control system.

本誌: IEEJ Journal of Industry Applications Vol.4 No.3 （2015） Special Issue on “IPEC-Hiroshima”

本誌掲載ページ: 268-276 p

原稿種別: 論文／英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejjia/4/3/4_268/_article/-char/ja/