Nonlinear Quadratic Dynamic Matrix Control with State Estimation

Quadratic dynamic matrix control (QDMC) with state estimation is presented for use with nonlinear process models. This formulation extens Garcia's nonlinear version of QDMC to open-loop unstable nonlinear processes and allows for better disturbance rejection. The modest computational requirements make it attractive for industrial implementation. The effectiveness of the approach is demonstrated by its successful application to the temperature control of semibatch polymerisation reactor