Robust H/sub /spl infin// control of singular systems with time delays and uncertainties via LMI approach

This paper considers the problem of H/sub /spl infin// controller design method for singular systems with time-varying delays in the state and control input. Especially, we indicate the errors of the paper by Shi et at. (Proc. Conf. on Decision and Control (2000)), and present a new sufficient condition for the existence of H/sub /spl infin// controller for delayed singular systems.

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