Title: Model reduction of discrete linear systems via frequency-domain balanced structure
Abstract:In this paper, a novel model reduction technique for discrete linear time invariant systems is presented. The proposed technique is based on a conceptual viewpoint of the controllability and the obser...In this paper, a novel model reduction technique for discrete linear time invariant systems is presented. The proposed technique is based on a conceptual viewpoint of the controllability and the observability Grammian balancing of a discrete system in an arbitrary frequency range of operation. It could be viewed as the generalization of the Moore's balance structure approach in a specific frequency range of operation. Two modified Lyapunov equations are derived for the proposed frequency-domain balancing. Various properties of the reduced model such as controllability, observability, stability, its uniqueness, and the error bound are examined. A comparison study of the proposed method with the Moore's time domain technique is presented using a sixth-order digital filter.Read More
Publication Year: 2000
Publication Date: 2000-06-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 60
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