The modeling and verification of the collector pressure system of coke oven

Aiming at the properties of the gas collector pressure system, such as violent disturbance, non-linearity, etc. In accordance with the physical properties of the Coke Ovens' Gas Collector Pressure System, The gas collector pressure model has been build, and also the coke oven productions has been divided into three classical engineering situation. The linearization model which comes from three stable working points under different engineering situations, forming many linear state space models to approach to the non-linear process of the gas collector pressure. The multiple model predictive controller which is non-linear and multiple, aiming at many models, based on stable working points under different engineering situations which have been opened. The simulation shows that this scheme has good controlling effect.