This paper proposes a new design procedure for track-following control systems in hard disk drives. The procedure is automated, in the sense that, for given experimental frequency response data of the suspension arm dynamics and a model structure, it automatically derives a transfer function set with uncorrelated parametric uncertainties. Subsequently, for the transfer function set, a given controller structure, and closed-loop performance specifications in the frequency domain, it automatically designs a partition of the uncertainties and corresponding multiple robust controllers. Experiments on actual hard disk drives demonstrate the usefulness and efficiency of the proposed procedure.
- Dynamic Systems and Control Division
Parametric Uncertainty Modeling and Multiple Controller Design for Hard Disk Drives
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Yazdi, EA, Sepasi, M, Sassani, F, & Nagamune, R. "Parametric Uncertainty Modeling and Multiple Controller Design for Hard Disk Drives." Proceedings of the ASME 2010 Dynamic Systems and Control Conference. ASME 2010 Dynamic Systems and Control Conference, Volume 1. Cambridge, Massachusetts, USA. September 12–15, 2010. pp. 987-992. ASME. https://doi.org/10.1115/DSCC2010-4163
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