Error Prediction Robust Tracking Control System Suppressing Harmonics Disturbance for Optical Disk Recording System
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概要
- 論文の詳細を見る
Recently, the memory capacity of media for the optical disk recording system has been increasing. The disk rotation speed has been increasing depending on the large memory capacity. However, the optical disk recording system has both periodic primary disturbance and periodic harmonics disturbance. Hence, the tracking control of the optical disk recording system is requested to maintain a high-precision tracking performance. We have proposed the robust tracking controller and zero-phase error tracking feed-forward control systems. Results of our study show that the primary disturbance is well suppressed by our conventional method, but it is difficult for our conventional method to suppress the harmonics disturbance. To overcome this problem, in this paper, we propose a new error prediction robust tracking control system suppressing harmonic disturbance. The experimental results show that the proposed tracking control system has a precise tracking response against both periodic primary disturbance and periodic harmonics disturbance.
- 2010-08-25
著者
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Ohishi Kiyoshi
Department Of Electrical Engineering Nagaoka University Of Technology
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Koide Daiichi
Science & Technical Research Laboratories Nhk (japan Broadcasting Corporation)
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Tokumaru Haruki
Science & Technical Research Laboratories Nhk (japan Broadcasting Corporation)
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Miyazaki Toshimasa
Department Of Electrical Engineering Nagaoka University Of Technology
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Koide Daiichi
Science and Reserch Laboratories, NHK Japan Broadcasting Corporation, Setagaya, Tokyo 157-8510, Japan
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Kamigaki Yoshiya
Department of Electrical Engineering, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan
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Takano Yoshimichi
NHK Engineering Services, Inc., Setagaya, Tokyo 157-8540, Japan
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Takano Yoshimichi
NHK Engineering Service, Inc., 1-10-11 Kinuta, Setagaya, Tokyo 157-8510, Japan
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Miyazaki Toshimasa
Department of Electrical and Electronic Systems Engineering, Nagaoka National College of Technology, Nagaoka, Niigata 940-8532, Japan
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Tokumaru Haruki
Science and Reserch Laboratories, NHK Japan Broadcasting Corporation, Setagaya, Tokyo 157-8510, Japan
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