Optimization Based Stabilization of Sampled-Data Nonlinear Systems via Their Approximate Discrete-Time Models

Titelangaben

Grüne, Lars ; Nešić, Dragan:
Optimization Based Stabilization of Sampled-Data Nonlinear Systems via Their Approximate Discrete-Time Models.
Bayreuth , 2002

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Abstract

We present results on numerical regulator design for sampled-data nonlinear plants via their approximate discrete-time plant models. The regulator design is based on an approximate discrete-time plant model and is carried out either via an infinite horizon optimization problem or via a finite horizon with terminal cost optimization problem. In both cases we discuss situations when the sampling period T and the integration period h used in obtaining the approximate discrete-time plant model are the same or they are independent of each other. We show that using this approach practical and/or semiglobal stability of the exact discrete-time model is achieved under appropriate conditions.