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- Title
Dynamic output feedback control of constrained descriptor systems.
- Authors
Araújo, José M; Barros, Péricles R; Dórea, Carlos ET
- Abstract
This paper aims to present an approach for design of dynamic output feedback compensators for linear discrete-time descriptor systems subject to state and control constraints. To this end, output-feedback controlled-invariant polyhedra are constructed by taking a pair of polyhedral sets: a controlled-invariant set and a conditioned-invariant set. By defining an augmented system composed of the original system plus the dynamic compensator, a control action can be computed online, which optimizes the contraction rate of the augmented state trajectory and enforces the constraints. The results are illustrated through numerical examples, which show that the proposed dynamic compensators outperform static feedback controllers under the same conditions.
- Subjects
FEEDBACK control systems; DESCRIPTOR systems; DISCRETE-time systems; POLYHEDRA; MATHEMATICAL optimization; INVARIANTS (Mathematics)
- Publication
Transactions of the Institute of Measurement & Control, 2013, Vol 35, Issue 8, p1129
- ISSN
0142-3312
- Publication type
Article
- DOI
10.1177/0142331213487921