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Updated: Sep 28, 2025

Optimization, Test and Diagnostics of Miniaturized Hall Thrusters
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Numerical Optimization and Map-Based Manipulation With a Quadrupole Electromagnetic Actuated System.

Weicheng Ma1, Zhijie Huan1, Min Xu1

  • 1School of Electrical Engineering and Automation, Xiamen University of Technology, Xiamen, China.

Frontiers in Neurorobotics
|April 4, 2022
PubMed
Summary
This summary is machine-generated.

This study introduces a novel quadrupole electromagnetic system for precise, wireless control of magnetic micro-/nano-particles. The developed system enables accurate manipulation, offering potential in mechanics, environmental, and biomedical applications.

Keywords:
electromagnetic actuated systemmap-based controlmicro-manipulationnumerical simulationsystem optimization

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Area of Science:

  • Physics
  • Engineering
  • Materials Science

Background:

  • Electromagnetic actuation offers wireless and controllable manipulation of magnetic micro-/nano-particles.
  • This technique has significant potential in precise mechanics, environmental protection, and biomedical engineering.

Purpose of the Study:

  • To construct and analyze a new quadrupole electromagnetic actuated system for magnetic particle manipulation.
  • To investigate the magnetic field distribution and optimize system parameters for controlled particle movement.

Main Methods:

  • Finite element modeling and numerical simulation using COMSOL software to determine magnetic field distribution.
  • Parametric modeling analysis for system optimization.
  • Construction of a magnetic field map for determining driving current based on magnetic flux density.

Main Results:

  • The magnetic field distribution was accurately modeled, showing the effect of coil current.
  • System parameters were optimized through analysis.
  • Experimental manipulation of a micro-particle along a circular path was successfully demonstrated.

Conclusions:

  • The developed quadrupole electromagnetic system provides a robust platform for precise magnetic particle control.
  • The study offers theoretical references and numerical fundamentals for future advancements in magnetic particle manipulation technology.