Paul McGahan

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The paper presents an optimization-based algorithm for stabilizing retarded systems using a statederivative feedback controller. It is shown that an application of such a controller results in neutral dynamics of the closed-loop system if small feedback delays occur. Therefore, the strong stability theory of neutral systems needs to be considered in the(More)
This paper points out specific stability problems of the proportional-derivative state feedback which may result from the presence of otherwise negligible delays in the control loops. It is shown that the stability problems arise from the neutral character of the closed loop system with the state derivative action under small delay perturbations. As the(More)
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