TY - JOUR UR - http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4237315 VL - 52 A1 - Pannocchia, Gabriele A1 - Bemporad, Alberto SP - 1048 JF - IEEE Transactions on Automatic Control KW - Hprop control problem; disturbance model design; dynamic observer; integrating disturbance model; offset-free model predictive control; plant/model mismatch; H infinity control; control system synthesis; predictive control ID - eprints485 Y1 - 2007/06// AV - none IS - 6 TI - Combined design of disturbance model and observer for offset-free model predictive control PB - IEEE SN - 0018-9286 N2 - This note presents a method for the combined design of an integrating disturbance model and of the observer (for the augmented system) to be used in offset-free model predictive controllers. A dynamic observer is designed for the original (nonaugmented) system by solving an Hprop control problem aimed at minimizing the effect of unmeasured disturbances and plant/model mismatch on the output prediction error. It is shown that, when offset-free control is sought, the dynamic observer is equivalent to choosing an integrating disturbance model and an observer for the augmented system. An example of a chemical reactor shows the main features and benefits of the proposed method. EP - 1053 ER -