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		Yun ZOU,Huiling XU.[en_title][J].Control Theory and Technology,2007,5(1):37~41.[Copy]

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YunZOU,HuilingXU
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Received:October 11, 2004Revised:September 28, 2006

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Duality of 2-D singular systems of Roesser models

Yun ZOU, Huiling XU

(Department of Automation, Nanjing University of Science and Technology, Nanjing Jiangsu 210094, China;Department of Mathematics, Nanjing University of Science and Technology, Nanjing Jiangsu 210094, China)

Abstract:

In this paper, the properties and concepts of dual systems of the two-dimensional singular Roesser models (2-D SRM) are studied. Two different concepts of the dual systems are proposed for the 2-D SRM. One is derived from the duality defined for two-dimensional singular general models (2-D SGM)-called the S-dual systems; the other one is defined based on 2-D SRM in a traditional sense-called the T-dual systems. It is shown that if a 2-D SRM is jump-mode free or jump-mode reachable, then it can be equivalently transformed into a canonical form of a 2-D SRM, for which the T-duality and the S-duality are equivalent. This will be of some perspective applications in the robust control of 2-D SRM.

Key words: 2-D systems Singular systems Duality Controllability