Application of Grey Wolf Optimization in Control of Ball Hoop and Two Area Interconnected Power Systems

Abstract

Due to simplicity, effectiveness and robustness, proportional-integral-derivative newline(PID) controllers are the most widely used controllers in control system. In recent newlineyears, because of the increase in the complexity of processes in plants, certain newlinechallenges arise for tuning the parameters of a PID controller to achieve stability and newlinegood transient performance. newlineOver the past two decades, meta-heuristic techniques for optimization have newlinebecome highly popular among researchers. The main advantages of these algorithms newlineare simplicity, flexibility, random search and avoidance of local optima compared to newlineconventional optimization techniques. Some popular meta-heuristic techniques are newlineParticle Swarm Optimization (PSO), Ant Colony Optimization (ACO), Artificial newlineBee Colony Optimization (ABC), Differential Evolution (DE), Simulated Annealing newline(SA), Tabu Search (TS), Stochastic Fractal Search (SFS), etc. Most of the swarm newlineintelligent techniques used to solve the optimization problems do not have the leader newlineto control over the entire period. This drawback is rectified in Grey Wolf Optimization newline(GWO), in which the grey wolves have natural leadership mechanism. Furthermore, newlineGWO algorithm has fewer parameters and is easy to implement, making it superior newlineto the other algorithms. Because of the versatile properties of GWO, attempts have newlinebeen made to implement GWO in tuning the parameters of a PID controller. newlineThe present research work deals with application of GWO in followings: newline(i) Application of GWO/PID approach in control of Ball Hoop (BH) system. newline(ii) Comparative and robustness analysis of proposed GWO/PID approach for newlinethe control of BH system with existing techniques and perturbations. newline(iii) Application of GWO/PID approach for the automatic generation control newline(AGC) of two area interconnected non reheat thermal power system. newline(iv) Comparative analysis of proposed GWO/PID approach for the AGC of two newlinearea interconnected power system with existing techniques. newline