Tuning parameters of PID controller based on fuzzy logic controlled genetic algorithms

Dongqing Feng; Xiaopei Wang; Minrui Fei; Tiejun Chen

doi:10.1117/12.718210

30 October 2006 Tuning parameters of PID controller based on fuzzy logic controlled genetic algorithms

Dongqing Feng, Xiaopei Wang, Minrui Fei, Tiejun Chen

Proceedings Volume 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation; 635849 (2006) https://doi.org/10.1117/12.718210
Event: Sixth International Symposium on Instrumentation and Control Technology, 2006, Beijing, China

Abstract

To solve the problem of tuning parameters of PID controller using the conventional genetic algorithm, an improved genetic algorithm based on fuzzy inference is proposed. On the basis of generalizing heuristic knowledge about crossover and mutation operations, a fuzzy controller is designed to adaptively adjust the crossover rate and mutation rate. The fuzzy logic controlled genetic algorithm (FCGA) improves global optimization ability of the standard genetic algorithm. We apply it to adaptive PID controller. The comparison between the FCGA and the SGA is performed, which demonstrates that the FCGA has much better capability of parameters optimization and convergent speed, and it can also fulfill the requirement of real-time control.

Citation Download Citation

Dongqing Feng, Xiaopei Wang, Minrui Fei, and Tiejun Chen "Tuning parameters of PID controller based on fuzzy logic controlled genetic algorithms", Proc. SPIE 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation, 635849 (30 October 2006); https://doi.org/10.1117/12.718210

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