NDLI: On space mapping optimization with coarsely-discretized EM coarse models

Content Provider	IEEE Xplore Digital Library
Author	Koziel, S.
Copyright Year	2011
Description	Author affiliation: School of Science and Engineering, Reykjavik University, Menntavegur 1, 101, Iceland (Koziel, S.)
Abstract	Coarse model is a critical component of the space mapping (SM) optimization algorithm. It should be fast and reasonably accurate. A popular choice of the coarse model is an equivalent circuit. Circuit models are computationally cheap but they are not always accurate, and in many cases (e.g., antennas) they are not available. Coarsely-discretized EM models are available for all structures, they are reliable, but typically too expensive to be efficiently used in SM algorithms. Here, a study of SM algorithms with coarsely-discretized EM coarse models is presented. In particular, new and efficient parameter extraction and surrogate optimization schemes are proposed that make the use of coarsely-discretized EM models feasible for SM algorithms. Robustness of our approach is demonstrated through the design of two microstrip filters and a double annular ring antenna.
Starting Page	1
Ending Page	4
File Size	418198
Page Count	4
File Format	PDF
ISBN	9781612847542
ISSN	0149645X
e-ISBN	9781612847573
e-ISBN	9781612847566
DOI	10.1109/MWSYM.2011.5972611
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optimization Integrated circuit modeling Computational modeling Parameter extraction Algorithm design and analysis Microwave filters Antennas coarsely-discretized EM models Computer-aided design (CAD) EM optimization space mapping
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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