Stability analysis of multirate sampled-data control systems |
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Authors: | ITOP, HIROSHI OHMORI, HIROMITUS SANO, AKIRA |
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Affiliation: | Department of Electrical Engineering, Keio University, 3-14-1 Hiyoshi Kohoku-ku, Yokohama 223, Japan |
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Abstract: | The paper considers the stability of finite-dimensional linearmultirate sampled-data control systems. A notion of internalstability is defined, based on continous-time singals. A completeproof is given for the equivalence between continuous-time internalstability and discrete-time internal stability. An input-outputproperty called Lv(1v ) hybrid stability is investigated formulatirate systems having exogenous continuous-time inputs andoutput, and hybrid stability is shown to be equivalent to internalstability, which is fundamental to a true development of multiratesampled-data Lv control design. The relationship between internalstability and input-output stability is also discussed in continuoustime. |
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