document: Predictive control of a high temperature-short time pasteurisation process Modifications on the dynamic matrix control -LRB- DMC -RRB- algorithm are presented to deal with transfer functions with varying parameters in order to control a high temperature-short time pasteurisation process . To control processes with first order with pure time delay models whose parameters present an exogenous variable dependence , a new method of free response calculation , using multiple model information , is developed . Two methods , to cope with those nonlinear models that allow a generalised Hammerstein model description , are proposed . The proposed methods have been tested , both in simulation and in real cases , in comparison with PID and DMC classic controllers , showing important improvements on reference tracking and disturbance rejection
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