Research and application of predictive control algorithm based on fuzzy model

In this paper, predictive control algorithm is described in detail and the ANFIS(Adaptive neuro fuzzy inference system) is introduced. The fuzzy model is built by ANFIS. Fuzzy model and predictive control is combined to form a predictive control based on fuzzy model which is used to complex system with time delay. For example, as system of three-water tanks. First, using matlab software, we established the model of three-water tank with ANFIS, and verified it by the prior data. Simulation shows that the model is effective. Then we design the actual control system of three-water tank in which AC800F is controller. Predictive control based on fuzzy model is programmed with Function Block language. It is also demonstrated that, by comparing the operation results of the PID with predictive control based on fuzzy model, the control method introduced in the paper is practical and effective, has great value in practical application.