Regular unknown input functional observers for 2-D singular systems |
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Authors: | Lu Wang Huiling Xu Yun Zou |
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Affiliation: | 2. School of Automation, Nanjing University of Science and Technology, Nanjing, P. R. China 1. School of Science, Nanjing University of Science and Technology, Nanjing, P. R. China
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Abstract: | This paper concerns with asymptotic regular unknown input functional observers (UIFOs) for two-dimensional (2-D) acceptable singular systems described by the Fornasini-Marchesini local state-space second model. A sufficient condition for the existence of an asymptotic regular UIFO is first presented in terms of a rank condition on the given system matrices. Based on this, an asymptotic 2-D regular UIFO is constructed using a linear matrix inequality (LMI) technique, while a new method is also given for designing regular functional observers for 2-D acceptable singular systems. Two illustrative examples are provided to demonstrate the feasibility and effectiveness of the proposed method. |
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