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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/93

Title: An adaptive PID stabilizer for power systems using fuzzy logic
Authors: Dash, P K
Liew, A C
Mishra, B R
Keywords: Fuzzy logic
PID stabilizer
Transient disturbances
Issue Date: 1998
Publisher: Elsevier
Citation: Electric Power Systems Research, Vol 44, Iss 3, P 213-222
Abstract: A new gain scheduling PID stabilizer is designed for excitation control of power systems using fuzzy logic. The parameters of the proposed stabilizer are tuned on-line using a fuzzy rule base and a fuzzy inferencing mechanism for manipulating the speed error and its derivative. Although the new gain scheduled stabilizer does not have an apparent structure of PID controllers, fuzzy logic based controllers may be considered as nonlinear PID controllers, whose parameters can be determined on-line based on the error signal and their time derivative or difference. The new power system stabilizer is applied to single and multimachine power systems subject to various transient disturbances including faults. The superior performance of this stabilizer in comparison to the conventional fixed gain stabilizer proves the efficacy of this new approach.
Description: Copyright for this article belongs to Elsevier Science Ltd
URI: http://hdl.handle.net/2080/93
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