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This paper addresses the robust strict positive realness (RSPR) problem when the uncertain polynomial family is defined by an l∞ ball in coefficient space. A new characterization of the filters solving such problem is proposed. This characterization is exploited numerically to devise polynomial filters with guaranteed l∞ robustness margin.
Decision and Control, 2003. Proceedings. 42nd IEEE Conference on (Volume:5 )
Date of Conference: 9-12 Dec. 2003