Global Neighbourhood Algorithm Based Event-Triggered Automatic Generation Control

The present work studies global neighbourhood algorithm (GNA) to tune/optimize proportional–integral–derivative with filter (PIDN) controller parameters for the stability of frequency in a one area thermal power system. The integral of time multiplied absolute error is chosen as the performance index for the controller tuning. For effective communication, periodic event triggered scheme is considered. The effects of delay introduced by the communication channel is also considered. Hence, delay dependent stability using Lyapunov theory is also investigated. Finally, simulations are performed to confirm the effectiveness of the obtained optimized gains using GNA.

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