A Generalized SDP Multi-Objective Optimization Method for EM-Based Microwave Device Design

Ying Liu; Qingsha S Cheng; Slawomir Koziel

doi:10.3390/s19143065

A Generalized SDP Multi-Objective Optimization Method for EM-Based Microwave Device Design

Sensors (Basel). 2019 Jul 11;19(14):3065. doi: 10.3390/s19143065.

Authors

Ying Liu^{1

2}, Qingsha S Cheng³, Slawomir Koziel^{4

5}

Affiliations

¹ Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China.
² School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001, China.
³ Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China. chengqs@sustc.edu.cn.
⁴ School of Science and Engineering, Reykjavik University, Menntavegur 1, IS-101 Reykjavik, Iceland.
⁵ Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, 80-233 Gdansk, Poland.

Abstract

In this article, a generalized sequential domain patching (GSDP) method for efficient multi-objective optimization based on electromagnetics (EM) simulation is proposed. The GSDP method allowing fast searching for Pareto fronts for two and three objectives is elaborated in detail in this paper. The GSDP method is compared with the NSGA-II method using multi-objective problems in the DTLZ series, and the results show the GSDP method saved computational cost by more than 85% compared to NSGA-II method. A diversity comparison indicator (DCI) is used to evaluate approximate Pareto fronts. The comparison results show the diversity performance of GSDP is better than that of NSGA-II in most cases. We demonstrate the proposed GSDP method using a practical multi-objective design example of EM-based UWB antenna for IoT applications.

Keywords: EM-based simulation; Pareto front; UWB antenna; generalized sequential domain patching; microwave devices design; multi-objective optimization.

Abstract

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