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A real-time optimization method in multi-terminal DC distribution system based on adaptive model predictive control by Zhao, Zida (author);Peng, Ke (author);Xian, Richang (author);Zhang, Xinhui (author) is a Engineering article available to read on EtoBox.

What is A real-time optimization method in multi-terminal DC distribution system based on adaptive model predictive control about?

An efficient measure to eliminate voltage oscillation of a multi-terminal DC distribution system (MTDCDS) is locating oscillation source timely and adjusting its control parameters. Combined with oscillation source judgment indexes (OSJIs), a control parameters optimization method based on adaptive model predictive control (A-MPC) is proposed. Specifically, based on the static model, a new adaptive updating mechanism of weighting coefficients is proposed. The mechanism adjusts the weighting coefficients according to the real-time states and OSJIs adaptively. Furthermore, taking the minimum weighted square sum of the voltage tracking error and control parameters increment as objective. Compared with the traditional model predictive control (MPC), the proposed method directly adjusts the control parameters of the oscillation source adaptively. which can significantly improve the system response performance and reduce the control cost. The performance has been evaluated using the MATLAB/Simulink and RT Box experimental platform and the results prove the superiority of the proposed method.

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Author

Zhao, Zida (author);Peng, Ke (author);Xian, Richang (author);Zhang, Xinhui (author)

Publisher

Elsevier BV

Published

2024

Language

EN

Field

Engineering (Physical Sciences)