Space Mapping With Adaptive Response Correction for Microwave Design Optimization

Publication: Research - peer-reviewJournal article – Annual report year: 2009

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Output space mapping is a technique introduced to enhance the robustness of the space-mapping optimization process in case the space-mapped coarse model cannot provide sufficient matching with the fine model. The technique often works very well; however, in some cases it fails. Especially in the microwave area where the typical model response (e.g., vertical bar S-21 vertical bar) is a highly nonlinear function of the free parameter (e.g., frequency), the output space-mapping correction term may actually increase the mismatch between the surrogate and fine models for points other than the one at which the term was calculated, as in the surrogate model optimization process. In this paper, an adaptive response correction scheme is presented to work in conjunction with space-mapping optimization algorithms. This technique is designed to alleviate the difficulties of the standard output space mapping by adaptive adjustment of the response correction term according to the changes of the space-mapped coarse model response. Examples indicate the robustness of our approach.
Original languageEnglish
JournalIEEE Transactions on Microwave Theory and Techniques
Publication date2009
Volume57
Issue2
Pages478-486
ISSN0018-9480
DOIs
StatePublished

Bibliographical note

"©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE."

CitationsWeb of Science® Times Cited: 29

Keywords

  • response correction, microwave design, Engineering optimization, space-mapping optimization, space mapping
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