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A Novel Robust Hierarchical Consensus Algorithm with Application in DC Nanogrids Coordination | ||
| International Journal of Nonlinear Analysis and Applications | ||
| مقاله 40، دوره 10، شماره 2، اسفند 2019، صفحه 97-110 اصل مقاله (1.14 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22075/ijnaa.2019.4178 | ||
| نویسندگان | ||
| Ahmadreza Ghaznavi؛ SMT Almodarresi* | ||
| Faculty of Electrical Engineering, Yazd University, Yazd, Iran | ||
| تاریخ دریافت: 24 آذر 1396، تاریخ بازنگری: 10 آبان 1397، تاریخ پذیرش: 03 مهر 1398 | ||
| چکیده | ||
| This research investigates the delay sensitivity of discrete-time consensus among agents which communicate over a scale-free network with hubs. In this paper, a novel hierarchical consensus algorithm, based on the idea of virtual communication graph degree reduction, is proposed. As a result, a significant consensus speed gain is obtained which provides a potential time margin for applying cyber-physical techniques that cause systematic input delay. This approach provides robustness and resiliency in case of any communication topology disturbance during cyber- physical attacks or plug-and-play events. The feasibility of plug- and-play, which has the potential to increase the input delay, is presented based on the gained margin as a sample scenario. The algorithm application in the coordination of distributed photovoltaic resources of several nano-grids communicating over a scale-free network, is assessed via simulation as well. | ||
| کلیدواژهها | ||
| Discrete-time consensus؛ delay؛ DC nano-grid؛ hierarchical control؛ multi-agent system؛ network with hub؛ plug- and-play؛ robust/resilient consensus؛ scale-free network | ||
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آمار تعداد مشاهده مقاله: 15,707 تعداد دریافت فایل اصل مقاله: 9,221 |
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