Control strategy of cement mill based on Bang-Bang and fuzzy PID self-tuning

摘要

In order to realize automatic control of the multivariable, large time delay and nonlinearity problem in the cement mill, a design method of the controller based on Bang-Bang and fuzzy PID self-tuning is proposed in this paper. When small fluctuations in system, the controller selects fuzzy PID self-tuning control; when the large fluctuations in the system, the controller selects bang-bang control. The results of the MATLAB simulation show that the controller based on bang-bang and fuzzy PID self-tuning is better than PID controller in control effect. The method was applied to cement mill plant of Shandong Province. The running results show that the designed controller can ensure the stable of the system so as to increase cement production and reduce power consumption. Thus the effectiveness of the method has been verified.