Pinning-Based Distributed Cooperative Control for Autonomous Microgrids Under Uncertain Communication Topologies

In this study, a new pinning-based distributed cooperative control scheme is proposed for multi-agent system (MAS)-based autonomous microgrids. By pinning parts of selected agents, only a small fraction of the pinned agents are controlled by simple feedback controllers, while the other DGAs in the MAS synchronize through the communication coupling among the pinned agents in a distributed manner. The main contributions of this study are as follows: 1) the proposal of a fully distributed control for autonomous microgrids where each agent shares its operation information only with its neighbors, which obviates the requirement for a central controller and complex communication topology; 2) the proposal of a pinning-based control scheme, which reduces the number of controllers, for a predefined consensus can be reached if a small fraction of the pinned agents is controlled; and 3) the proposal of the pinning consensus under uncertain communication topologies that can meet the requirements of line switches and plug-and-play operation. Simulation results are demonstrated to verify the effectiveness and adaptability of the proposed scheme.