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Open AccessArticle

Cyber-Physical Co-Simulation of Shipboard Integrated Power System Based on Optimized Event-Driven Synchronization

National Key Laboratory of Science and Technology on Vessel Integrated Power System, Naval University of Engineering, Wuhan 430033, China
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Electronics 2020, 9(3), 540; https://doi.org/10.3390/electronics9030540
Received: 21 February 2020 / Revised: 13 March 2020 / Accepted: 23 March 2020 / Published: 24 March 2020
(This article belongs to the Section Power Electronics)
As the energy management system (EMS) participates in the closed-loop control of shipboard integrated power system (IPS), the information network of EMS is closely coupled with the power system and its characteristics affect power system performance significantly. To study the close-coupling relationship between the two systems, a cyber–physical co-simulation platform based on the high level architecture (HLA) framework is constructed in this paper. The proposed platform uses PSCAD and OPNET to simulate shipboard power system and information network respectively, and utilizes OPNET HLA nodes and PSCAD user-defined modules to implement co-simulation interfaces. In order to achieve a higher co-simulation precision without impairing efficiency, an optimized event-driven co-simulation synchronization method is also proposed. By pre-defining power system synchronization points and detecting information network synchronization points in the co-simulation process, both systems can be synchronized in time and the synchronization error is eliminated. Furthermore, the co-simulation efficiency is also improved by optimizing the data transmission in the synchronization process. A co-simulation model of shipboard power distribution network protection based on CAN bus communication is built and analyzed. Simulation results show that the proposed co-simulation platform and synchronization method are feasible and effective. View Full-Text
Keywords: shipboard integrated power system; energy management system; cyber–physical co-simulation; high level architecture framework; event-driven synchronization shipboard integrated power system; energy management system; cyber–physical co-simulation; high level architecture framework; event-driven synchronization
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Wu, Y.; Fu, L.; Ma, F.; Hao, X. Cyber-Physical Co-Simulation of Shipboard Integrated Power System Based on Optimized Event-Driven Synchronization. Electronics 2020, 9, 540.

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