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An adaptive Mamdani fuzzy logic based controller for a static compensator in a multimachine power system

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3 Author(s)
Mohagheghi, S. ; Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA ; Venayagamoorthy, G.K. ; Harley, R.G.

An adaptive Mamdani based fuzzy logic controller has been designed for controlling a static compensator (STATCOM) in a multimachine power system. Such a controller does not need any prior knowledge of the plant to be controlled and can efficiently control a STATCOM during different disturbances in the network. A model free approach using the controller output error is applied for training purposes that adaptively changes the controller output parameters based on a gradient descent method. Moreover, shrinking span membership functions are used for a more stable and accurate control performance. Simulation results show that the proposed controller outperforms the conventional PI controller during dynamic and transient disturbances

Published in:

Intelligent Systems Application to Power Systems, 2005. Proceedings of the 13th International Conference on

Date of Conference:

6-10 Nov. 2005