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Fine Tracking Control System based on Double Equivalent-Perfect Tracking Control System and Error-Based Disturbance Observer for Optical Disk
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- Sakimura Naohide
- Nagaoka University of Technology
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- Yoshida Keisuke
- Nagaoka University of Technology
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- Ohashi Takahiro
- Nagaoka University of Technology
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- Ohishi Kiyoshi
- Nagaoka University of Technology
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- Miyazaki Toshimasa
- Nagaoka University of Technology
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Description
Recently, high-precision tracking control has been required for optical disks. For this purpose, we have previously proposed a tracking control system that is composed of an equivalent-perfect tracking control (E-PTC). However, the conventional control system is not able to operate the inverse system properly for the state equation. In this paper, we propose a new double E-PTC system. With this new system, the inverse system for the state equation operates properly. In addition, we propose a double E-PTC system with an error-based disturbance observer using a notch filter for non-periodic disturbance suppression. The proposed system achieves more precise control and experimental results demonstrate its effectiveness.
Journal
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- IEEJ Journal of Industry Applications
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IEEJ Journal of Industry Applications 4 (1), 1-10, 2015
The Institute of Electrical Engineers of Japan
