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Modelling and Control Design of a Non-Collaborative UAV Wireless Charging System.

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  • 1IoT and Wireless Communication Protocols Laboratory, Department of Electrical and Computer Engineering, International Islamic University Malaysia (IIUM), Kuala Lumpur 53100, Malaysia.

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Summary
This summary is machine-generated.

This study introduces a wireless power transfer (WPT) model for charging moving devices. An extremum seeking control (ESC) strategy maximizes energy transfer to a rotating UAV, achieving 2.6W in 1ms.

Keywords:
3D omnidirectionalWPT maximizationextremum seeking controlmagnetic tracking

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Area of Science:

  • Electrical Engineering
  • Electromagnetics
  • Robotics

Background:

  • Wireless power transfer (WPT) systems are crucial for mobile electronics and robotics.
  • Efficiently charging moving and rotating loads presents significant challenges in WPT.
  • Existing WPT systems often require precise alignment or feedback mechanisms.

Purpose of the Study:

  • To develop an analytical model for a 3D WPT system capable of charging a moving, rotating load.
  • To design a controller for maximizing power transfer without requiring receiver-end feedback.
  • To simulate and validate the proposed WPT system's performance under dynamic conditions.

Main Methods:

  • An analytical model of a WPT system with three orthogonal transmitter coils was developed.
  • Mutual coupling was accurately modeled using Ansys software for a realistic 3D simulation.
  • Extremum seeking control (ESC) was implemented to optimize power transfer based on input power.

Main Results:

  • The simulation demonstrated a concentrated, omnidirectional magnetic field for efficient energy transfer.
  • The ESC controller successfully maximized power transfer to a simulated moving and rotating UAV.
  • A maximum power transfer of 2.6W was achieved in approximately 1ms at a receiver speed of 2250 deg/s.

Conclusions:

  • The proposed WPT system and ESC strategy effectively enable efficient wireless charging of dynamic loads.
  • The Ansys-based simulation provides a robust platform for WPT system design and controller development.
  • This research paves the way for untethered, continuous power delivery to mobile robotic platforms.