NDLI: Efficient global optimisation of microwave antennas based on a parallel surrogate model-assisted evolutionary algorithm

Content Provider	IET Digital Library
Author	Liu, Bo Akinsolu, Mobayode O. Ali, Nazar Alhameed, Raed A. Abd
Abstract	Computational efficiency is a major challenge for evolutionary algorithm (EA)-based antenna optimisation methods due to the computationally expensive electromagnetic simulations. Surrogate model-assisted EAs considerably improve the optimisation efficiency, but most of them are sequential methods, which cannot benefit from parallel simulation of multiple candidate designs for further speed improvement. To address this problem, a new method, called parallel surrogate model-assisted hybrid differential evolution for antenna optimisation (PSADEA), is proposed. The performance of PSADEA is demonstrated by a dielectric resonator antenna, a Yagi-Uda antenna, and three mathematical benchmark problems. Experimental results show high operational performance in a few hours using a normal desktop 4-core workstation. Comparisons show that PSADEA possesses significant advantages in efficiency compared to a state-of-the-art surrogate model-assisted EA for antenna optimisation, the standard parallel differential evolution algorithm, and parallel particle swarm optimisation. In addition, PSADEA also shows stronger optimisation ability compared to the above reference methods for challenging design cases.
Starting Page	149
Ending Page	155
Page Count	7
ISSN	17518725
Volume Number	13
e-ISSN	17518733
Issue Number	Issue 2, Feb (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/13/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2018.5009
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2018-10-08
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Array Antenna Theory Computational Efficiency Dielectric Resonator Antenna Efficient Global Optimisation Electromagnetic Simulation Evolutionary Algorithm-based Antenna Optimisation Method Evolutionary Computation Mathematical Benchmark Problem Microwave Antenna Microwave Antenna Array Normal Desktop 4-core Workstation Optimisation Efficiency Optimisation Technique Other Dielectric Application And Device Parallel Particle Swarm Optimisation Parallel Surrogate Model-assisted Evolutionary Algorithm Particle Swarm Optimisation PSADEA Standard Parallel Differential Evolution Algorithm Surrogate Model-assisted EA Yagi Antenna Array Yagi-Uda Antenna
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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