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A reinforcement learning approach to automatic generation control

Ahamed, Imthias TP and Rao, Nagendra PS and Sastry, PS (2002) A reinforcement learning approach to automatic generation control. In: Electric Power Systems Research, 63 (1). 9-26 .

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Official URL: http://dx.doi.org/10.1016/S0378-7796(02)00088-3

Abstract

This paper formulates the automatic generation control (AGC) problem as a stochastic multistage decision problem. A strategy for solving this new AGC problem formulation is presented by using a reinforcement learning (RL) approach This method of obtaining an AGC controller does not depend on any knowledge of the system model and more importantly it admits considerable flexibility in defining the control objective. Two specific RL based AGC algorithms are presented. The first algorithm uses the traditional control objective of limiting area control error (ACE) excursions, where as, in the second algorithm, the controller can restore the load-generation balance by only monitoring deviation in tie line flows and system frequency and it does not need to know or estimate the composite ACE signal as is done by all current approaches. The effectiveness and versatility of the approaches has been demonstrated using a two area AGC model. (C) 2002 Elsevier Science B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Power system control;Automatic generation control;Model-free controller design techniques;Reinforcement learning
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 04 Aug 2011 05:46
Last Modified: 04 Aug 2011 05:46
URI: http://eprints.iisc.ernet.in/id/eprint/38998

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