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Faculté des Sciences appliquées
Faculté des Sciences appliquées
MASTER THESIS
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Development of a wireless charger for drones

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Wens, Thor ULiège
Promotor(s) : Vanderbemden, Philippe ULiège
Date of defense : 24-Jun-2021/25-Jun-2021 • Permalink : http://hdl.handle.net/2268.2/11560
Details
Title : Development of a wireless charger for drones
Translated title : [fr] Développement d'un chargeur sans fil pour drones
Author : Wens, Thor ULiège
Date of defense  : 24-Jun-2021/25-Jun-2021
Advisor(s) : Vanderbemden, Philippe ULiège
Committee's member(s) : Frebel, Fabrice ULiège
Redouté, Jean-Michel ULiège
Greffe, Christophe 
Language : English
Keywords : [en] drones
[en] wireless power transfer
[en] H-bridge
[en] inverter
[en] magnetism
[en] magnetic resonance
Discipline(s) : Engineering, computing & technology > Electrical & electronics engineering
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master : ingénieur civil électricien, à finalité spécialisée en "electronic systems and devices"
Faculty: Master thesis of the Faculté des Sciences appliquées

Abstract

[en] Drones have seen their popularity increase enormously during the last decade. The following step in the emergence of drones in our daily life is to make them completely autonomous. A part of this new challenge is to charge their batteries without any human intervention.

In this thesis, a wireless power transfer system is proposed as solution for the autonomous battery charging. A mathematical model of wireless power transmission based on magnetic resonance is first created. Based on this mathematical model, a system to convey 1 kW of power to a 48 V LiPo battery is designed and experimentally tested.

Besides the high amount of power required to charge the LiPo battery in about half an hour, conveying power to a drone comes with other challenges. Every gram that is saved inside the drone results in an increase of autonomy. For this reason, the parts of the system placed inside the drone must be carefully designed. Furthermore, excess heating must be avoided to not impair the inside of the drone.

The experimental setup also includes a power electronics topology, able to convert a DC input voltage into the AC voltage applied at the input of the emitter circuit of the wireless power transfer system.

A second part of the thesis focuses on the magnetic fields emitted by the charging system and their impact, both on human health and on the drone itself. Several shielding techniques are introduced and discussed.


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Access WENS_Thor_Master_Thesis.pdf
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Access ADC.c
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Access Block_Diagram_WPT.png
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Access Coils_3D_Model.png
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Access Electric_Circuit_Model_Plate.png
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Access Experimental_Setup.jpg
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Access Graetz_Bridge.jpg
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Access Magnetic_Field_Guidelines.png
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Author

  • Wens, Thor ULiège Université de Liège > Master ingé. civ. électr., à fin.

Promotor(s)

Committee's member(s)

  • Frebel, Fabrice ULiège Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Electronique de puissance
    ORBi View his publications on ORBi
  • Redouté, Jean-Michel ULiège Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes microélectroniques intégrés
    ORBi View his publications on ORBi
  • Greffe, Christophe Generix
  • Total number of views 131
  • Total number of downloads 133










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