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LQG-control of a highly resonant disk drive head positioning actuator

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2 Author(s)
H. Hanselmann ; Paderborn Univ., West Germany ; A. Engelke

A fast fine-positioning controller has been designed for a rotary-actuator-type magnetic-storage disk drive. The controller was designed using the LQG (linear quadratic Gaussian) methodology and has been implemented on a digital signal processor. It is shown that LQG design is a viable approach, and that various problems associated with the structural resonances of the actuator can be solved

Published in:

IEEE Transactions on Industrial Electronics  (Volume:35 ,  Issue: 1 )