A Model Predictive Control Approach to Trajectory Tracking Problems via Time-Varying Level Sets of Lyapunov Functions

We discuss a model predictive control approach to trajectory tracking problems of constrained nonlinear con- tinuous time systems, where the reference trajectory is a priori known and asymptotically constant. The proposed NMPC scheme is able to explicitly consider input and state constraints while guaranteeing recursive feasibility. To handle the time- varying nature of the tracking problem we advocate the use of time-varying level sets of Lyapunov functions as terminal regions. We prove a necessary and suf?cient condition for positive invariance of these sets and show how these sets can be efficiently computed, if a quadratic Lyapunov function is available. As an example we consider a nonlinear CSTR reactor.


Published in:
Proceedings of 50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC), 3381-3386
Presented at:
50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC)
Year:
2011
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 Record created 2013-03-12, last modified 2018-01-28

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