Examples for Genetic Algorithm based optimal RFID tag antenna design

2014 IEEE RFID Technology and Applications Conference (RFID-TA) Pub Date : 2014-09-01 DOI:10.1109/RFID-TA.2014.6934232

A. Pichler, D. Steffelbauer, Alexey Nazarov

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引用次数: 5

Abstract

In this work a Genetic Algorithm is used to obtain optimal planar UHF RFID tag antenna topologies. The presented antenna design method is automated and solely requires very little human intervention. Different requirements like antenna dimension, conductive and dielectric materials, frequency range, etc. can be adjusted. This enables the automated design of tailored tag antennas for different requirements. Due to the complex behavior of UHF antennas numerical electromagnetic field simulation is essential. Simulation is carried out with the aid of ANSYS HFSS and ANSYS DESIGNER. In order to obtain meaningful results, high accuracy of the simulation is of vital importance. Therefore this work places emphasis on the comparison of simulation and measurement of prototypes. As a result of the evolutionary design, examples for narrowband and broadband antennas are presented. Two approaches were applied, one very fundamental, discretizing the available design space into pixel units. In addition a lattice based approach, promoting meander-like layouts, is implemented. Four antenna layouts are discussed in this work. All obtained tag antennas meet the required specifications and prove the abilities of the design approach.

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基于遗传算法的RFID标签天线优化设计实例

在这项工作中，使用遗传算法来获得最优的平面超高频RFID标签天线拓扑结构。所提出的天线设计方法是自动化的，只需要很少的人为干预。可根据天线尺寸、导电介质材料、频率范围等不同要求进行调整。这样就可以根据不同的要求自动设计定制的标签天线。由于超高频天线的复杂特性，对其电磁场进行数值模拟是十分必要的。利用ANSYS HFSS和ANSYS DESIGNER进行了仿真。为了获得有意义的结果，高精度的仿真是至关重要的。因此，本工作着重于原型的仿真与测量的比较。作为进化设计的结果，给出了窄带和宽带天线的实例。采用了两种方法，一种非常基本，将可用的设计空间离散为像素单位。此外，还实现了一种基于点阵的方法，促进了蜿蜒的布局。本文讨论了四种天线布局。得到的标签天线均满足设计要求，验证了设计方法的可行性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2014 IEEE RFID Technology and Applications Conference (RFID-TA)

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