NDLI: Fast multi-objective optimisation of pencil beam reflector antenna radiation pattern responses using Kriging

Content Provider	IET Digital Library
Author	Villiers, Dirk I. L. de Koziel, Slawomir M.
Abstract	A Kriging interpolation-based method for the rapid multi-objective optimisation (MO) of the radiation patterns of pencil beam reflector antenna systems is presented. MO provides a designer with quantitative trade-off information about conflicting design goals, but typically requires a large number of time-consuming function evaluations. The smoothly varying response surfaces of pencil beam reflector systems (gain, receiving sensitivity, sidelobe levels, etc.), as functions of the design parameters, are well suited to an interpolation-based response surface approximation optimisation strategy. By constructing Kriging interpolants of all the design goals and performing the MO on these fast models the optimisation can be significantly accelerated. This study presents an optimisation strategy where an iterative method is used to improve the accuracy of the response surface interpolants along the perceived Pareto front. Several examples are provided to illustrate the algorithmic flow, as well as confirm the accuracy and acceleration of the optimisation strategy achievable for typical reflector problems.
Starting Page	120
Ending Page	126
Page Count	7
ISSN	17518725
Volume Number	12
e-ISSN	17518733
Issue Number	Issue 1, Jan (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/12/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2017.0090
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2017-09-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Radiation Pattern Antenna Radiation Pattern Responses Antenna Theory Interpolation Interpolation And Function Approximation Iterative Method Kriging Interpolation Multiobjective Optimisation Numerical Analysis Optimisation Technique Pareto Optimisation Pencil Beam Reflector Antenna System Perceived Pareto Front Quantitative Trade-off Information Reflector Antenna Response Surface Approximation Optimisation Response Surface Interpolants Response Surface Methodology Single Antenna Time-consuming Function Evaluations
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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