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Constrained pole placement for linear systems using low-order output feedback controllers
journal contribution
posted on 2002-02-01, 00:00 authored by Hieu TrinhHieu Trinh, Saeid Nahavandi, T FernandoThe paper presents a simple approach to the problem of designing low-order output feedback controllers for linear continuous systems. The controller can place all of the closed-loop poles within a circle, C(- , 1/ β) , with centre at - and radius of 1/ β in the left half s-plane. The design method is based on transformation of the original system and then applying the bounded-real-lemma to the transformed system. It is shown that subjected to the solvability of an algebraic Riccati equation (ARE), output feedback controllers can then be systematically derived. Furthermore, the order of the controller is low and equals only the number of the open-loop poles lying outside the circle. A step-by-step design algorithm is given. Numerical examples are given to illustrate the design method.
History
Journal
International journal of systems scienceVolume
33Issue
3Pagination
165 - 173Publisher
Taylor and Francis LtdLocation
London, EnglandPublisher DOI
ISSN
0020-7721eISSN
1464-5319Language
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2002, Taylor & FrancisUsage metrics
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