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- Publisher Website: 10.1016/j.isatra.2006.06.007
- Scopus: eid_2-s2.0-33947251236
- PMID: 17350016
- WOS: WOS:000253661900008
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Article: Constrained H2 approximation of multiple input-output delay systems using genetic algorithm
Title | Constrained H2 approximation of multiple input-output delay systems using genetic algorithm |
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Authors | |
Keywords | Approximation Delay systems Genetic algorithms Model reduction |
Issue Date | 2007 |
Publisher | Elsevier Inc. The Journal's web site is located at http://www.isa.org/isatransactions/ |
Citation | Isa Transactions, 2007, v. 46 n. 2, p. 211-221 How to Cite? |
Abstract | The paper presents a constrained H2 approximation method for multiple input-output delay systems by using a genetic algorithm. The H2 error between the original and the approximate models is minimized subject to constraints on the H∞ error between them and the matching of their steady-state under step inputs. In particular, the H2 error is used as the objective (fitness) function for minimization with the best parameters of the approximate model obtained by repeating the genetic operations on the population incorporated a parameter search space expansion scheme. The effectiveness of the proposed method is demonstrated by numerical examples. It is shown that the approximate models obtained by this approach have better approximation performance in both the H2 and H∞ norms, as well as the steady-state response, than those obtained by a previous gradient-based minimization approach. © 2007 ISA. |
Persistent Identifier | http://hdl.handle.net/10722/156884 |
ISSN | 2023 Impact Factor: 6.3 2023 SCImago Journal Rankings: 1.572 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Du, H | en_US |
dc.contributor.author | Lam, J | en_US |
dc.contributor.author | Huang, B | en_US |
dc.date.accessioned | 2012-08-08T08:44:25Z | - |
dc.date.available | 2012-08-08T08:44:25Z | - |
dc.date.issued | 2007 | en_US |
dc.identifier.citation | Isa Transactions, 2007, v. 46 n. 2, p. 211-221 | en_US |
dc.identifier.issn | 0019-0578 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/156884 | - |
dc.description.abstract | The paper presents a constrained H2 approximation method for multiple input-output delay systems by using a genetic algorithm. The H2 error between the original and the approximate models is minimized subject to constraints on the H∞ error between them and the matching of their steady-state under step inputs. In particular, the H2 error is used as the objective (fitness) function for minimization with the best parameters of the approximate model obtained by repeating the genetic operations on the population incorporated a parameter search space expansion scheme. The effectiveness of the proposed method is demonstrated by numerical examples. It is shown that the approximate models obtained by this approach have better approximation performance in both the H2 and H∞ norms, as well as the steady-state response, than those obtained by a previous gradient-based minimization approach. © 2007 ISA. | en_US |
dc.language | eng | en_US |
dc.publisher | Elsevier Inc. The Journal's web site is located at http://www.isa.org/isatransactions/ | en_US |
dc.relation.ispartof | ISA Transactions | en_US |
dc.subject | Approximation | - |
dc.subject | Delay systems | - |
dc.subject | Genetic algorithms | - |
dc.subject | Model reduction | - |
dc.subject.mesh | Algorithms | en_US |
dc.subject.mesh | Computer Simulation | en_US |
dc.subject.mesh | Models, Genetic | en_US |
dc.subject.mesh | Models, Theoretical | en_US |
dc.subject.mesh | Nonlinear Dynamics | en_US |
dc.subject.mesh | Signal Processing, Computer-Assisted | en_US |
dc.subject.mesh | Time Factors | en_US |
dc.title | Constrained H2 approximation of multiple input-output delay systems using genetic algorithm | 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.doi | 10.1016/j.isatra.2006.06.007 | en_US |
dc.identifier.pmid | 17350016 | - |
dc.identifier.scopus | eid_2-s2.0-33947251236 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-33947251236&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 46 | en_US |
dc.identifier.issue | 2 | en_US |
dc.identifier.spage | 211 | en_US |
dc.identifier.epage | 221 | en_US |
dc.identifier.isi | WOS:000253661900008 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Du, H=7201901161 | en_US |
dc.identifier.scopusauthorid | Lam, J=7201973414 | en_US |
dc.identifier.scopusauthorid | Huang, B=11839993500 | en_US |
dc.identifier.issnl | 0019-0578 | - |