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Structured model reduction of interconnected linear systems based on singular perturbation
- Ishizaki, T. (author)
-
- Sandberg, Henrik (author)
- KTH,Reglerteknik
-
- Johansson, Karl Henrik (author)
- KTH,Reglerteknik
- show more...
- Kashima, K. (author)
- Imura, J. -I (author)
- Aihara, K. (author)
- show less...
- (creator_code:org_t)
- American Automatic Control Council, 2013
- 2013
- English.
- In: Proceedings of the American Control Conference 2013. - : American Automatic Control Council. - 9781479901777 ; , s. 5524-5529
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- This paper proposes a singular perturbation approximation that preserves system passivity and an interconnection topology among subsystems. In the first half of this paper, we develop a singular perturbation approximation valid for stable linear systems. Using the relation between the singular perturbation and the reciprocal transformation, we derive a tractable expression of the error system in the Laplace domain, which provides a novel insight to regulate the approximating quality of reduced models. Then in the second half, we develop a structured singular perturbation approximation that focuses on a class of interconnected systems. This structured approximation provides a reduced model that not only possesses fine approximating quality, but also preserves the original interconnection topology and system passivity.
Keyword
- Error systems
- Interconnection topologies
- Laplace domains
- Reduced model
- Singular perturbation approximation
- Singular perturbations
- Stable linear systems
- Structured model
- Linear systems
- Topology
Publication and Content Type
- ref (subject category)
- kon (subject category)
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