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Dynamic Self-Triggered Robust Distributed Model Predictive Control for Coupled Nonlinear Systems
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DOI：10.1109/TCSI.2024.3523410.png)
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Abstract
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This article proposes a dynamic self-triggered distributed model predictive control algorithm for coupled nonlinear systems facing external disturbances and constraints on state and input variables. A dynamic self-triggered mechanism that combines the advantages of event-triggered and self-triggered strategies is designed to simultaneously reduce the frequencies of both sampling and solving optimization problems. Particularly, the triggering threshold is adaptively adjusted using a dynamic variable, which can effectively balance control performance and computational resources. Furthermore, through the construction of a two-model optimal control problem and the analysis of input-to-state practical stability for the overall system, a single-mode distributed model predictive control framework is established for each subsystem within the proposed algorithm, which enables a fully distributed implementation. Sufficient conditions for recursive feasibility and robust stability are investigated, and conservatism is reduced by eliminating the requirement for the system state to reach the terminal region in finite time. Finally, the effectiveness of the developed algorithm is validated through two numerical examples with comparisons.
Keywords:
Heuristic algorithms
Event detection
Predictive control
Prediction algorithms
Electronic mail
Trajectory
Economic indicators
Couplings
Computer science
Circuit stability
Coupled nonlinear systems
distributed model predictive control
dynamic self-triggered mechanism
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5.2
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9.7K
Citations:
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