Abstract
The optical disk system is widely used as a data storage system. The tracking control system of optical disk system requires a high precision and robustness against periodic disturbance and sudden disturbance. Therefore, it is difficult for only conventional feedback control system to realize the high-precision and robust tracking control system. This paper proposes high performance tracking control system for optical disk which is a perfect tracking control based on a plant system and zero phase low pass filter. The experimental results point out that the proposed system realizes the high precision tracking control on condition of the disk rotation speed 7,200[rpm], which is equal to conventional HDD disk speed.
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