Heating exchange process PIDNN control system research based on T-S fuzzy model
by Xue-Ling Song; Zhe-Ying Song; Chao-Ying Liu
International Journal of Wireless and Mobile Computing (IJWMC), Vol. 7, No. 1, 2014

Abstract: The principle of heating exchange system is analysed in this paper. According to the strong coupling between the variations and parameters time variable characteristics, it is difficult to set up the arithmetical model and achieve better control effects. To overcome these difficulties, this paper adopts T-S fuzzy model to describe the input-output relationship based on collected data of system. Due to the time variable character, it is hard to control with traditional PID controller. To improve the control effect, combining neural network control algorithm, this paper adopts PIDNN (PID Neural Network) controller. The PIDNN algorithm is not just tuning PID parameters by neural network, and improves the system control ability by defining proportional, integral, derivative characteristics neurons. Basing on the theoretical analysis, simulations are carried out by using MATLAB. The results of simulation experiment show that the designed model is effective and the control system achieves satisfied control effect.

Online publication date: Fri, 31-Oct-2014

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