Fast Antenna Optimization Using Gradient Monitoring and Variable-Fidelity EM Models

被引：0
|
作者：
Koziel, Slawomir [1 ]
Pietrenko-Dabrowska, Anna [2 ]
机构：
[1] Reykjavik Univ, Sch Sci & Engn, Reykjavik, Iceland
[2] Gdansk Univ Technol, Fac Elect Telecommun & Informat, PL-80233 Gdansk, Poland
来源：
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2020年 / 35卷 / 11期
关键词：
antenna optimization; EM-driven design; trust-region framework; variable-fidelity EM simulations;
D O I：
10.47037/2020.ACES.J.351143
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Accelerated simulation-driven design optimization of antenna structures is proposed. Variable-fidelity electromagnetic (EM) analysis is used as well as the trust-region framework with limited sensitivity updates. The latter are controlled by monitoring the changes of the antenna response gradients. Our methodology is verified using three compact wideband antennas. Comprehensive benchmarking demonstrates its superiority over both conventional and surrogate-assisted algorithms.
引用
收藏
页码：1348 / 1349
页数：2
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