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Article: Optimal weighted L2 model reduction of delay systems
Title | Optimal weighted L2 model reduction of delay systems |
---|---|
Authors | |
Issue Date | 1999 |
Publisher | Taylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00207179.asp |
Citation | International Journal Of Control, 1999, v. 72 n. 1, p. 39-48 How to Cite? |
Abstract | A model reduction method for stable delay systems under L2 optimality is introduced in this paper. The reduced models may take the form of either a stable finite dimensional system or a delay system with a reduced-order finite dimensional part. The two cases are studied under a unified framework. Contrary to many existing algorithms, the formulation is entirely given in terms of state-space matrices. The Routh canonical realization is used to parametrize the stable reduced models. The parameters which form the reduced order system are obtained by minimizing the weighted L2 norm of the approximation error through an unconstrained gradient-based minimization procedure. Numerical examples are used to illustrate the effectiveness of the proposed method. © 1999 Taylor & Francis Ltd. |
Persistent Identifier | http://hdl.handle.net/10722/156511 |
ISSN | 2023 Impact Factor: 1.6 2023 SCImago Journal Rankings: 0.862 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Zhang, L | en_US |
dc.contributor.author | Lam, J | en_US |
dc.date.accessioned | 2012-08-08T08:42:45Z | - |
dc.date.available | 2012-08-08T08:42:45Z | - |
dc.date.issued | 1999 | en_US |
dc.identifier.citation | International Journal Of Control, 1999, v. 72 n. 1, p. 39-48 | en_US |
dc.identifier.issn | 0020-7179 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/156511 | - |
dc.description.abstract | A model reduction method for stable delay systems under L2 optimality is introduced in this paper. The reduced models may take the form of either a stable finite dimensional system or a delay system with a reduced-order finite dimensional part. The two cases are studied under a unified framework. Contrary to many existing algorithms, the formulation is entirely given in terms of state-space matrices. The Routh canonical realization is used to parametrize the stable reduced models. The parameters which form the reduced order system are obtained by minimizing the weighted L2 norm of the approximation error through an unconstrained gradient-based minimization procedure. Numerical examples are used to illustrate the effectiveness of the proposed method. © 1999 Taylor & Francis Ltd. | en_US |
dc.language | eng | en_US |
dc.publisher | Taylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00207179.asp | en_US |
dc.relation.ispartof | International Journal of Control | en_US |
dc.title | Optimal weighted L2 model reduction of delay systems | en_US |
dc.type | Article | en_US |
dc.identifier.email | Lam, J:james.lam@hku.hk | en_US |
dc.identifier.authority | Lam, J=rp00133 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.scopus | eid_2-s2.0-0032762296 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0032762296&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 72 | en_US |
dc.identifier.issue | 1 | en_US |
dc.identifier.spage | 39 | en_US |
dc.identifier.epage | 48 | en_US |
dc.identifier.isi | WOS:000078171400004 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Zhang, L=9039499900 | en_US |
dc.identifier.scopusauthorid | Lam, J=7201973414 | en_US |
dc.identifier.issnl | 0020-7179 | - |