Track Following Controller for Optical Disk Drives Based on Adaptive Output Regulation
| Authors: | Chung Chung Choo, Hanyang Unversity, Korea, Republic of
Kim Hyungjong, Hanyang Unversity, Korea, Republic of
Kim Won Hee, Hanyang Unversity, Korea, Republic of
Shim Hyungbo, Seoul National University, Korea, Republic of |
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| Topic: | 4.2 Mechatronic Systems |
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| Session: | Mechatronics for Data Storage Devices II |
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| Keywords: | Adaptive algorithm, Output regulation, Disturbance rejection, Optical Disks, Singular perturbation method |
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Abstract
This paper presents an adaptive output regulator. It is an add-on type output regulator with frequency adaptation algorithm. A frequency adaptation algorithm based on internal model principle is used to identify frequency of sinusoidal disturbance. It is shown that the proposed method is stable for frequency within a connected compact set. Its stability is proven under the assumption that the frequency of disturbance varies slowly in time. The performance of the proposed method is verified with simulation and experiment results. There is a good agreement between simulation and experiment results.
