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|Title:||Adaptive resonance compensation for hard disk drive servo systems|
|Citation:||Tee, K.P.,Ge, S.S.,Tay, E.H. (2007). Adaptive resonance compensation for hard disk drive servo systems. Proceedings of the IEEE Conference on Decision and Control : 3567-3572. ScholarBank@NUS Repository. https://doi.org/10.1109/CDC.2007.4434104|
|Abstract:||An add-on compensator is designed to adapt, in a stable, robust, and direct manner, to uncertainty in the resonance characteristics of hard disk drives (HDDs). The design and analysis is based on the linear discretized plant comprising a parallel structure of known nominal voice coil motor (VCM) dynamics and uncertain resonance dynamics. The add-on compensator complements any pre-designed stable nominal control. To prevent the nominal control from being canceled out in adaptive control design, we utilize, as adaptation signal, the error between the output and the auxiliary output, a computable quantity exploiting knowledge of the nominal plant and pre-designed nominal control. Extensive simulation results on a model of the Hitachi 1.8-inch HDD demonstrate the effectiveness of the proposed adaptive compensator in attenuating resonance peaking. © 2007 IEEE.|
|Source Title:||Proceedings of the IEEE Conference on Decision and Control|
|Appears in Collections:||Staff Publications|
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