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Robust optimization of microwave structures using co-simulation-based surrogate models

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

A robust and computationally efficient technique for design optimization of microwave structures is proposed. We exploit co-simulation-based surrogate models with the essential couplings evaluated using EM solver and most of the designable parameters modelled by distributed circuit elements with physical dimensions corresponding to those of the structure being optimized. Good prediction capability of the surrogate model is ensured by the space-mapping-based alignment process. It is demonstrated that the proposed methodology is able to yield a satisfactory design at the computational cost corresponding to two or three EM simulations of the optimized structure. The design of two microstrip filters is presented for the sake of illustration.

Original languageEnglish
Title of host publication2011 IEEE International Symposium on Antennas and Propagation - Proceedings
Pages2924-2927
Number of pages4
DOIs
Publication statusPublished - 2011
Event2011 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI 2011 - Spokane, WA, United States
Duration: 3 Jul 2011 → 8 Jul 2011

Publication series

NameIEEE Antennas and Propagation Society, AP-S International Symposium (Digest)

Conference

Conference2011 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI 2011
Country/TerritoryUnited States
CitySpokane, WA
Period3/07/11 → 8/07/11

Other keywords

  • Computer-aided design (CAD)
  • co-simulation
  • space mapping
  • surrogate-based optimization

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