Title :
Decoupling control of pickup head motion in near-field optical disk drives
Author :
Liu, T.S. ; Liu, P.C.
Author_Institution :
Dept. of Mech. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan
Abstract :
For the flying pickup head in near-field optical disk drives, this study attaches a piezoelectric bender to the pickup head and develops a single-input multi-output control method to deal with the bender motion in both bending deflection and longitudinal displacement.
Keywords :
displacement control; identification; motion control; optical disc storage; pick-ups; piezoelectric actuators; three-term control; PID controller; PZT bender; bender motion; bending deflection; decoupling control; flying pickup head; longitudinal displacement; near-field optical disk drives; pickup head motion; piezoelectric bender; single-input multi-output control method; system identification; Control systems; Disk drives; Mechanical engineering; Motion control; Optical amplifiers; Optical control; Optical filters; Resonance; System identification; Three-term control;
Conference_Titel :
Control Applications, 2002. Proceedings of the 2002 International Conference on
Print_ISBN :
0-7803-7386-3
DOI :
10.1109/CCA.2002.1038675
