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Event-triggered distributed model predictive control for resilient voltage control of an islanded microgrid

Ge, P; Chen, B; Teng, F; (2020) Event-triggered distributed model predictive control for resilient voltage control of an islanded microgrid. International Journal of Robust and Nonlinear Control 10.1002/rnc.5238. (In press). Green open access

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Abstract

This article addresses the problem of distributed secondary voltage control of an islanded microgrid (MG) from a cyber‐physical perspective. An event‐triggered distributed model predictive control (DMPC) scheme is designed to regulate the voltage magnitude of each distributed generators (DGs) in order to achieve a better trade‐off between the control performance and communication and computation burdens. By using two novel event triggering conditions that can be easily embedded into the DMPC for the application of MG control, the computation and communication burdens are significantly reduced with negligible compromise of control performance. In addition, to reduce the sensor cost and to eliminate the negative effects of nonlinearity, an adaptive nonasymptotic observer is utilized to estimate the internal and output signals of each DG. Thanks to the deadbeat observation property, the observer can be applied periodically to cooperate with the DMPC‐based voltage regulator. Finally, the effectiveness of the proposed control method has been tested on a simple configuration with four DGs and the modified IEEE‐13 test system through several representative scenarios.

Type: Article
Title: Event-triggered distributed model predictive control for resilient voltage control of an islanded microgrid
Open access status: An open access version is available from UCL Discovery
DOI: 10.1002/rnc.5238
Publisher version: https://doi.org/10.1002/rnc.5238
Language: English
Additional information: © 2020 The Authors. International Journal of Robust and Nonlinear Control published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/).
Keywords: distributed model predictive control, event-triggered control, microgrid, nonasymptotic observer, resilience
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10111292
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