Resonant Inductive Coupling Power Transfer for Mid-Sized Inspection Robot

Mohd Norhakim Bin Hassan, Simon Watson, Gus Cheng Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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Abstract

This paper presents a wireless power transfer (WPT) for a mid-sized inspection mobile robot. The objective is to transmit 100 W of power over 1 meter of distance, achieved through lightweight Litz wire coils weighing 320 g held together with a coil structure of 3.54 kg. The Wireless Power Transfer System (WPTS) is mounted onto an unmanned ground vehicle (UGV). The study addresses an investigation of coil design, accounting for misalignment and tolerance issues in resonance coupled coils. In experimental validation, the system effectively transmits 109.7 W of power over a 1-meter distance, with obstacles present. This achievement yields a system efficiency of 47.14%, a value that is remarkably close to the maximum power transfer point (50%) when the WPTS utilises the full voltage allowance of the capacitor. The paper shows the WPTS charging speed of 5 minutes for 12 V, 0.8 Ah lead acid batteries.
Original languageEnglish
Title of host publicationTowards Autonomous Robotic Systems
Subtitle of host publication25th Annual Conference, TAROS 2024, London, UK, August 21–23, 2024, Proceedings, Part I
Place of PublicationUnited Kingdom
PublisherSpringer Cham
Pages224-238
Number of pages14
Volume15051
Edition1
ISBN (Electronic)978-3-031-72059-8, Md Nazmul Huda, Mingfeng Wang, Tatiana Kalganova
DOIs
Publication statusE-pub ahead of print - 30 Dec 2024

Publication series

NameLecture Notes in Computer Science
PublisherSpringer Cham
Number1
Volume1
ISSN (Electronic)0302-9743

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