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Updated: Jul 19, 2025

Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures
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UAV-WPT System Based on Novel Magnetic Structure and Model Predictive Control.

Qi Wang1, Xingcan Li1, Fei Yang1

  • 1School of Electronic Information Engineering, Xi'an Technological University, Xi'an 710021, China.

Sensors (Basel, Switzerland)
|August 12, 2023
PubMed
Summary

This study introduces an optimized wireless power transfer (WPT) system for drones (UAVs), enhancing efficiency and ensuring stable power delivery even with misalignment using a novel coupling structure and control strategy.

Keywords:
UAV-WPTmodel prediction controloffset weight methodorthogonal coupling structure offset

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Area of Science:

  • Electrical Engineering
  • Robotics
  • Wireless Power Transfer

Background:

  • Wireless power transfer (WPT) for unmanned aerial vehicles (UAVs) faces challenges in efficiency and stability due to misalignment.
  • Existing WPT systems often struggle to maintain consistent power output under varying coupling conditions.

Purpose of the Study:

  • To design and validate a novel UAV-WPT system with an orthogonal coupling structure.
  • To enhance power transmission efficiency and ensure stable constant current output despite positional offsets and coupling variations.

Main Methods:

  • Designed a new orthogonal coupling structure for UAV-WPT.
  • Utilized an offset weight method to optimize resonance parameters for improved efficiency in offset states.
  • Simulated coupling ability and anti-offset performance using Ansys software.
  • Implemented an LCC-S topology with a secondary-side constant current control strategy based on model predictive control.

Main Results:

  • The system demonstrated the ability to achieve a rapid 3A constant current output under changing load and coupling coefficients.
  • The proposed offset weight method and control strategy significantly improved power transmission efficiency in offset conditions.
  • Ansys simulations confirmed the coupling mechanism's robustness and anti-offset performance.

Conclusions:

  • The developed UAV-WPT system effectively addresses misalignment issues through its orthogonal coupling structure and advanced control strategy.
  • The system achieves stable and efficient wireless power transfer for UAVs, crucial for autonomous operation and extended missions.