Strain omnidirectional detection based on circular patch antenna

Guorong Song, Binpeng Zhang, Yan Lyu, Xuedong Wang, Bin Wu, Cunfu He, Yung Chun Lee

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

In this research, a circular patch antenna is proposed for omnidirectional measurement of strains. Firstly, the interaction between the circular patch antenna and the strain is analyzed according to the cavity theory in electromagnetic waves. The resonant frequency is determined by the size of the patch antenna. While a strain is applied, the dimension of the patch antenna changes slightly. Then, the linear relationship between the frequency shift and the strain is obtained. The strain sensor based on circular patch antenna is fabricated to measure the strain in different direction. A microwave wireless detection system is established to detect the magnitude and direction of the structural strain. The experimental result is in good agreement with the strain gauge. It shows that the circular patch antenna is able to detect the structural strain omnidirectional and wireless, which lays a foundation for the further engineering applications.

原文English
文章編號112275
期刊Sensors and Actuators, A: Physical
315
DOIs
出版狀態Published - 2020 11月 1

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 儀器
  • 凝聚態物理學
  • 表面、塗料和薄膜
  • 金屬和合金
  • 電氣與電子工程

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