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A Design of Nonlinear Adaptive PID Controller Based on Genetic Algorithm

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4 Author(s)
Wei-Min Qi ; Phys. & Inf. Eng. Inst., Jianghan Univ., China ; Wei-You Cai ; Qiao-ling Ji ; Yuan-Chu Cheng

The relationship between the error signal and gain parameters of PID controller is nonlinear, so fitting and constructing the nonlinear of each parameter can be used respectively for the individual tuning each part of PID controller. In this paper, it is described that based on the tuning law between the control and error, with formulating the nonlinear function of each gain parameter, the nonlinear PID controller could be optimized and constructed by adopting genetic algorithm. The simulate results of typical system shows that the dynamic and static performances of the system can be both attended to at a satisfied degree.

Published in:

Control Conference, 2006. CCC 2006. Chinese

Date of Conference:

7-11 Aug. 2006