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Robustness of adaptive controller based on pole-zero placement
- DOI:
- 10.1080/00207728908910155
pages 619-628
Available online: 28 Jun 2007Abstract
The robustness of a pole-zero placement adaptive control algorithm in the presence of unmodelled dynamics and bounded external disturbances is studied. The algorithm is designed based on the reduced-order plant, which is assumed to be stable, but it does not necessarily have minimum phase. The overall plant is assumed to be stable, but it may have non-minimum phase. By using a normalizing signal and a projection in the adaptive law, a condition for stability is derived. The extra a priori information required is that bounds on the unknown plant parameters are known.
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- Citation information:
- Available online: 28 Jun 2007
Author affiliations
- a Department of Electrical and Electronic Engineering, Nanyang Technological Institute, Singapore
- b Department of Electrical and Electronic Engineering, University of Canterbury, Christchurch, New Zealand
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