Heuristic Robustness Analysis of Model Based Predictive Controllers
J.M. Maciejowski and S.A. Heise (12th IFAC World Congress, Sydney, 1993)
Model based predictive control schemes have been applied very successfully
in the process industries, even though very little is known about them
theoretically --- typically even stability cannot be proved. Their use in
reconfigurable control schemes makes them of potential interest in applications
such as flight control, and the increasing speed of hardware makes such
applications feasible in the near future. However an essential prerequisite
for such applications is a much better theoretical understanding of MBPC
systems. The main theoretical contribution of this paper is a proof that most
MBPC schemes are piecewise-LTI, even when constraints are active. On the basis
of this, some heuristics are indicated for the selection of competing MBPC
designs.
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