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Journal of Engineering
Volume 2013 (2013), Article ID 510572, 13 pages
Research Article

A Novel Fuzzy RPID Controller for Multiarea AGC with IABC Optimization

1Technical Engineering Department, University of Mohaghegh Ardabili, Ardabil 56199-11367, Iran
2Electrical Engineering Department, Islamic Azad University, Ardabil, Iran

Received 12 December 2012; Revised 14 April 2013; Accepted 14 April 2013

Academic Editor: Mohammed Chadli

Copyright © 2013 Javad Javidan and Ali Ghasemi. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


An Interactive Artificial Bee Colony (IABC) Optimization based fuzzy (IABCF) to tune optimal gains of a Robust Proportional Integral Derivative (RPID) controller is proposed for the solution of multiarea automatic generation control (AGC) simulation problem in a restructured power system. One of the important problems in the proposed method is the exact tuning of the RPID parameters for achieving the desired level of robust performance. The problem of robustly tuning of RPID based AGC design is formulated as an optimization problem according to the time domain-based objective function, which is solved by the IABC technique that has a strong ability to find the most optimistic results. The robustness and effectiveness of the proffered method are shown on a two and four areas deregulated power system with possible contracted scenarios under large load demand and area disturbances in comparison with the other methods through FD and ITAE performance indices. The evaluation results show that the proposed control strategy achieves good robust performance for worldwide experience of automatic generation control in restructured systems parameters and load changes in the presence of system nonlinearities.