Fixed order PQ control design method for dual stage instrumented suspension

M. Steinbuch, M. Graham, R.J.M. Oosterbosch, R.A. Callafon, de

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

6 Citations (Scopus)

Abstract

To achieve frequency separation between actuators of a dual-stage servoactuator system in a hard disk drive, the PQ control design method can be used.In the PQ method, the servo controller is designed by focusing on structuralinterference of the actuators. This paper provides a specific parametrization forfixed order feedback controllers used in the PQ-method for which the structuralinterference between actuators can be minimized. The proposed control designmethod is applied to a dual-stage instrumented suspension, where the additionalsensor of the instrumented suspension is used to attenuate high frequency disturbancecaused by windage turbulence in a hard disk drive.
Original languageEnglish
Title of host publicationIFAC Congress 2005
Place of PublicationSlovakia, Praha
Number of pages6
Publication statusPublished - 2005

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