Title | ||
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Finite-time state estimation and active mode identification for uncertain switched linear systems |
Abstract | ||
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This paper discusses the issues of finite-time state estimation and switching signal identification for a class of switched linear system with both unknown inputs and unknown active modes. By some special state and output transformations, a reduced-order switched system is constructed such that a finite-time switched observer can be constructed, where the unknown inputs of the original system are removed. A cluster of finite-time observers are proposed for all reduced-order subsystems. Then, the state estimation of a reduced-order switched system is derived from the finite-time switched observer by choosing any small time-delay parameters, and the finite-time state estimation of the original switched system is also obtained from the estimated states of the reduced-order switched system based on the state equivalent transformation. Next, a kind of active mode identification method is proposed by minimizing the output residual norm. Finally, a simulation example is given to verify the reliability of the proposed method. |
Year | DOI | Venue |
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2019 | 10.1177/0142331219827049 | TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL |
Keywords | DocType | Volume |
Switched system,active mode identification,finite-time observer,state estimation | Journal | 41.0 |
Issue | ISSN | Citations |
11 | 0142-3312 | 0 |
PageRank | References | Authors |
0.34 | 16 | 5 |
Name | Order | Citations | PageRank |
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Yantao Chen | 1 | 29 | 3.29 |
Chen Wu | 2 | 0 | 0.34 |
Junqi Yang | 3 | 74 | 9.23 |
Lizhi Cui | 4 | 0 | 0.34 |
Wei Qian | 5 | 91 | 6.67 |