NDLI: Fast multi-objective surrogate-assisted design of multi-parameter antenna structures through rotational design space reduction

Content Provider	IET Digital Library
Author	Koziel, Slawomir Bekasiewicz, Adrian
Abstract	A technique for fast multi-objective optimisation of antennas is introduced. The core of the proposed methodology is a reliable initial estimation of the design space subset that contains a set of Pareto optimal solutions, i.e. those representing the best possible trade-offs between the conflicting objectives (such as the antenna size and its electrical performance parameters). A fast response surface approximation (RSA) surrogate is subsequently constructed in a reduced search space using sampled coarse-discretisation electromagnetic (EM) simulation data. Owing to the authors’ reduction approach, the surrogate model construction is computationally feasible even when the number of antenna parameters is high. The RSA model is optimised using a multi-objective evolutionary algorithm to yield an initial approximation of the Pareto set. The latter is further refined (to obtain its representation at the high-fidelity EM antenna model level). The approach is illustrated using two design cases. A comparison with previously published methods, as well as experimental validation, is also provided.
Starting Page	624
Ending Page	630
Page Count	7
ISSN	17518725
Volume Number	10
e-ISSN	17518733
Issue Number	Issue 6, Apr (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/10/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2015.0631
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2016-04-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Approximation Theory Electrical Performance Parameter EM Simulation Data Evolutionary Computation Fast Multiobjective Surrogate Assisted Design Interpolation And Function Approximation Multiobjective Evolutionary Algorithm Multiobjective Optimisation Multiparameter Antenna Structure Numerical Analysis Optimisation Technique Pareto Optimal Solutions Pareto Optimisation Reliable Initial Estimation Response Surface Approximation Rotational Design Space Reduction RSA Sampled Coarse Discretisation Electromagnetic Search Problem Search Space Single Antenna Surrogate Model Construction
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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