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A Robust Distributed Interval Observer for LTI Systems
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DOI：10.1109/TAC.2022.3151586.png)
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Abstract
En 中文
In this article, the state estimation problem of a continuous-time linear time-invariant system is investigated for the situation with unknown external disturbance and measurement noise. A robust distributed interval observer is designed, which consists of a group of sensors communicating with others through a directed graph where each sensor can only access partial information from the output of the plant. The communication among the sensors together with the heterogeneity and undetectability of the sensors result in some stringent requirements on the robust distributed interval observer construction. To resolve these restrictions, the internally positive representation originated from a single agent system is introduced into the robust distributed interval observer. After presenting detailed design and analysis, numerical simulations are demonstrated to verify the theoretical results.
Keywords:
Observers
Linear systems
Noise measurement
Pollution measurement
Intellectual property
Sensors
Uncertainty
Bounding information
distributed interval observer
Index Terms
external disturbance
internally positive representation (IPR)
linear time-invariant (LTI) system
Journal
IF:
7
Papers:
1.3W
Citations:
6.7W