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Extremely-Low Frequency Mechanical Antenna Based on Vibrating Permanent Magnet

Menghao Guo, Xi Wen, Shaolong Yang, Jianchun Xu, Xuchao Pan and and Ke Bi

Menghao Guo1

Xi Wen2 

Shaolong Yang1

Jianchun Xu1

Xuchao Pan2 

Ke Bi1,*,Email

1School of Science, Beijing University of Posts and Telecommunications, Beijing, 100876, China.

2School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China.

*E-mail: bike@bupt.edu.cn

**M. Guo and X. Wen contributed equally to this work.

Abstract

Extremely-low-frequency (ELF) communication has stimulated widespread research interest during past years. Up to now, most permanent magnet mechanical antennas usually rotate the magnet to generate electromagnetic waves. Here we demonstrate a new mechanical antenna based on vibrating permanent magnet. This mechanical antenna radiates electromagnetic waves through the reciprocating movement of permanent magnets. Finite element simulations and experiments are applied to verify the radiation characteristics of the vibrating mode mechanical antenna. Compare with the rotating permanent magnet mechanical antenna, this antenna can generate an induced voltage with a peak value of 0.179 mV at 1 m. Both the simulated and experimental results indicate that this mechanical antenna can successfully generate stable time-varying electromagnetic waves in the ELF band. This vibrating mode mechanical antenna paves a way for the design of permanent magnet mechanical antenna.

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Publication details

Received: 08 Nov 2021
Revised: 23 Nov 2021
Accepted: 23 Nov 2021
Published online: 06 Dec 2021

Article type:
Research Paper

DOI:
10.30919/es8d586

Volume:
16

Page:
387-392

Citation:
Engineered Science, 2021, 16, 387-392

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Permissions:
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Number of downloads:
2760

Citation Information:
5

Description:

A mechanical antenna based on vibrating magnet was present, which radiates electromagnetic waves thr....

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This article is cited by 5 publications.

  1. Song Gao, Liwei Wang, Jingtong Lu, Shuai Zhang, Hongyu Sun, Kai Huang, Jianchun Xu, Yanan Hao. Electromagnetic optimization of piezoelectric ceramic and its application in mechanical antenna. IET Nanodielectrics 2024, 7, 1, DOI: 10.1049/nde2.12077
  2. Jinqing Cao, Huiming Yao, Yachen Pang, Jianchun Xu, Chuwen Lan, Ming Lei, Ke Bi. Dual-band piezoelectric artificial structure for very low frequency mechanical antenna. Advanced Composites and Hybrid Materials 2022, 5, 410, DOI: 10.1007/s42114-022-00431-4

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