The authors present robust stability bounds for sampled data systems. The bounds are derived for the general case of additive perturbation in a system, and the control gain matrices for continuous time systems under discrete state feedback control. They then present a numerical controller design algorithm based on the derived bounds. Examples are used for demonstration.
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http://iet.metastore.ingenta.com/content/journals/10.1049/ip-cta_19981848
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