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Consensus-Based Distributed Reduced-Order Observer Design for LTI Systems
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DOI：10.1109/TCYB.2020.3025603.png)
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摘要
En 中文
In this article, we refocus on the distributed observer construction of a continuous-time linear time-invariant (LTI) system, which is called the target system, by using a network of observers to measure the output of the target system. Each observer can access only a part of the component information of the output of the target system, but the consensus-based communication among them can make it possible for each observer to estimate the full state vector of the target system asymptotically. The main objective of this article is to simplify the distributed reduced-order observer design for the LTI system on the basis of the consensus communication pattern. For observers interacting on a directed graph, we first address the problem of the distributed reduced-order observer design for the detectable target system and provide sufficient conditions involving the topology information to guarantee the existence of the distributed reduced-order observer. Then, the dependence on the topology information in the sufficient conditions will be eliminated by using the adaptive strategy and so that a completely distributed reduced-order observer can be designed for the target system. Finally, some numerical simulations are proposed to verify the theoretical results.
Keyword:
Observers
Linear systems
Directed graphs
Topology
Adaptive systems
Consensus protocol
Adaptive strategy
consensus
linear time-invariant (LTI) system
reduced-order observer
期刊
IF:
10.5
论文数:
1.1W
被引数:
5.0W
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