Coprime factor model reduction for discrete-time uncertain systems

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
IEEE Conference on Decision and Control (CDC), 2010, pp. 6213 - 6218
Issue Date:
2010-01
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This paper presents a contractive coprime factor model reduction approach for discrete-time uncertain systems of LFT form with norm bounded structured uncertainty. A systematic approach is proposed for coprime factorization and contractive coprime factorization of the underlying uncertain systems. The proposed coprime factor approach overcomes the robust stability restriction on the underlying systems which is required in the balanced truncation approach. The method is based on the use of LMIs to construct the desired reduced dimension uncertain system model.
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