Jul Nee Teoh

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A control design method which combines the generalized Kalman-Yakubovich-Popov (KYP) lemma and the H<sub>2</sub> control is proposed to attenuate specific narrowband disturbance and simultaneously minimize the positioning error of the control system. Two specific narrowband disturbance near the bandwidth are rejected sufficiently via the KYP lemma based(More)
Self-servo track writing (SSTW) process for hard disk drives (HDDs) is described by using a two-dimensional (2D) model, with which the error propagation containment problem of the SSTW is formulated as 2D stabilization problem, and the position error minimization problem is formulated as 2D H<sub>2</sub> control problem. The adopted 2D controller is(More)
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