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Resilient static output feedback power system stabiliser using PSO-LMI optimisation

Resilient static output feedback power system stabiliser using PSO-LMI optimisation In this paper, two new power system stabiliser (PSS) designs are proposed. The first one is based on a combined particle swarm optimisation (PSO) with linear matrix inequality (LMI) optimisation thereby improving previous existing results. The property of PSO of not sticking into a local minimum is used to eliminate the conservativeness of the design result utilising the static output feedback (SOF) stabiliser within an iterative solution of LMIs. The proposed design provides robustness against uncertainties wherein power systems operations are changing continuously due to load changes. In addition to load variations, the second controller is based on a derived sufficient condition using PSO-LMIs optimisation in order to obtain a resilient PSS that takes into consideration controller’s parameters uncertainty as well. The effectiveness of the algorithm is shown for a single machine infinite bus power system. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Systems, Control and Communications Inderscience Publishers

Resilient static output feedback power system stabiliser using PSO-LMI optimisation

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References (25)

Publisher
Inderscience Publishers
Copyright
Copyright © Inderscience Enterprises Ltd. All rights reserved
ISSN
1755-9340
eISSN
1755-9359
DOI
10.1504/IJSCC.2013.054147
Publisher site
See Article on Publisher Site

Abstract

In this paper, two new power system stabiliser (PSS) designs are proposed. The first one is based on a combined particle swarm optimisation (PSO) with linear matrix inequality (LMI) optimisation thereby improving previous existing results. The property of PSO of not sticking into a local minimum is used to eliminate the conservativeness of the design result utilising the static output feedback (SOF) stabiliser within an iterative solution of LMIs. The proposed design provides robustness against uncertainties wherein power systems operations are changing continuously due to load changes. In addition to load variations, the second controller is based on a derived sufficient condition using PSO-LMIs optimisation in order to obtain a resilient PSS that takes into consideration controller’s parameters uncertainty as well. The effectiveness of the algorithm is shown for a single machine infinite bus power system.

Journal

International Journal of Systems, Control and CommunicationsInderscience Publishers

Published: Jan 1, 2013

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