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Distributed Periodic Event-Triggered Optimal Control of DC Microgrids Based on Virtual Incremental Cost | |
Jiangkai Peng, Bo Fan, Zhenghong Tu, Wei Zhang, Wenxin Liu | |
发表期刊 | IEEE/CAA Journal of Automatica Sinica |
ISSN | 2329-9266 |
2022 | |
卷号 | 9期号:4页码:624-634 |
摘要 | This article presents a distributed periodic event-triggered (PET) optimal control scheme to achieve generation cost minimization and average bus voltage regulation in DC microgrids. In order to accommodate the generation constraints of the distributed generators (DGs), a virtual incremental cost is firstly designed, based on which an optimality condition is derived to facilitate the control design. To meet the discrete-time (DT) nature of modern control systems, the optimal controller is directly developed in the DT domain. Afterward, to reduce the communication requirement among the controllers, a distributed event-triggered mechanism is introduced for the DT optimal controller. The event-triggered condition is detected periodically and therefore naturally avoids the Zeno phenomenon. The closed-loop system stability is proved by the Lyapunov synthesis for switched systems. The generation cost minimization and average bus voltage regulation are obtained at the equilibrium point. Finally, switch-level microgrid simulations validate the performance of the proposed optimal controller. |
关键词 | Bus voltage regulation,DC microgrids,event-triggered control,distributed optimal control,generation cost minimization |
DOI | 10.1109/JAS.2022.105452 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ia.ac.cn/handle/173211/47222 |
专题 | 学术期刊_IEEE/CAA Journal of Automatica Sinica |
推荐引用方式 GB/T 7714 | Jiangkai Peng, Bo Fan, Zhenghong Tu, Wei Zhang, Wenxin Liu. Distributed Periodic Event-Triggered Optimal Control of DC Microgrids Based on Virtual Incremental Cost[J]. IEEE/CAA Journal of Automatica Sinica,2022,9(4):624-634. |
APA | Jiangkai Peng, Bo Fan, Zhenghong Tu, Wei Zhang, Wenxin Liu.(2022).Distributed Periodic Event-Triggered Optimal Control of DC Microgrids Based on Virtual Incremental Cost.IEEE/CAA Journal of Automatica Sinica,9(4),624-634. |
MLA | Jiangkai Peng, Bo Fan, Zhenghong Tu, Wei Zhang, Wenxin Liu."Distributed Periodic Event-Triggered Optimal Control of DC Microgrids Based on Virtual Incremental Cost".IEEE/CAA Journal of Automatica Sinica 9.4(2022):624-634. |
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