Strong stabilization of a class of MIMO systems

Date
2011-02-14
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Source Title
IEEE Transactions on Automatic Control
Print ISSN
0018-9286
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Publisher
IEEE
Volume
56
Issue
6
Pages
1445 - 1452
Language
English
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Abstract

Stabilization of finite dimensional linear, time-invariant, multi-input multi-output plants by stable feedback controllers, known as the strong stabilization problem, is considered for a class of plants with restrictions on the zeros in the right-half complex plane. The plant class under consideration has no restrictions on the poles, or on the zeros in the open left-half complex plane, or on the zeros at the origin or at infinity; but only one finite positive real zero is allowed. A systematic strongly stabilizing controller design procedure is proposed. The freedom available in the design parameters may be used for additional performance objectives although the only goal here is strong stabilization. In the special case of single-input single-output plants within the class considered, the proposed stable controllers have order one less than the order of the plant.

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