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Distributed Dynamic Event-Triggered Control of Power Buffers in DC Microgrids.
- Source :
-
IEEE Transactions on Systems, Man & Cybernetics. Systems . 12/15/2022, Vol. 52 Issue 12, Part 2, p7748-7759. 12p. - Publication Year :
- 2022
-
Abstract
- This article investigates distributed event-triggered control (ETC) of power buffers in a direct current (DC) microgrid. In order to facilitate the control design, a linear interconnected system model is derived that captures the physical coupling among power buffers. Then, a distributed ETC law regulates the stored energy and input impedance of each power buffer, and a decentralized dynamic event-triggering mechanism determines when each power buffer communicates with its neighboring buffers. This strategy eliminates the need for both continuous controller updates and continuous communication among the power buffers. The resulting closed-loop system is shown to be exponentially stable under a mild assumption on the communication network. The proposed event-triggering mechanism guarantees not only the exclusion of the Zeno behavior but also the existence of a positive minimum interevent time that can be adjusted by the control design parameters. Simulation studies validate the effectiveness of the proposed theoretical results for a multibuffer DC microgrid. [ABSTRACT FROM AUTHOR]
- Subjects :
- *MICROGRIDS
*TELECOMMUNICATION systems
*CLOSED loop systems
*LINEAR systems
Subjects
Details
- Language :
- English
- ISSN :
- 21682216
- Volume :
- 52
- Issue :
- 12, Part 2
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Systems, Man & Cybernetics. Systems
- Publication Type :
- Academic Journal
- Accession number :
- 160690998
- Full Text :
- https://doi.org/10.1109/TSMC.2022.3165148