LQG-control of a highly resonant disk drive head positioningactuator
Hanselmann, H.; Engelke, A.
Industrial Electronics, IEEE Transactions on
Volume 35, Issue 1, Feb 1988 Page(s):100 - 104
Digital Object Identifier   10.1109/41.3071
Summary: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

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