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Dissertations / Theses on the topic 'Wireless power charging'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Mou, Xiaolin. "Wireless power transfer technology for electric vehicle charging." Thesis, Durham University, 2017. http://etheses.dur.ac.uk/12416/.

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In the years 1884-1889, after Nicola Tesla invented "Tesla Coil", wireless power transfer (WPT) technology is in front of the world. WPT technologies can be categorized into three groups: inductive based WPT, magnetic resonate coupling (MRC) based WPT and electromagnetic radiation based WPT. MRC-WPT is advantageous with respect to its high safety and long transmission distance. Thus it plays an important role in the design of wireless electric vehicle (EV) charging systems. The most significant drawback of all WPT systems is the low efficiency of the energy transferred. Most losses happen duri

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2

Habibi, Saeid. "Wireless charging of electric vehicles based on resonant inductive power transformers." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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Abstract Electric vehicles and their charging stations are among important applications in today's world. The E-mobility industry is changing day-to-day with new ways to reduce charging time of electric vehicles, ease of use in charging process, increasing the efficiency and sometimes remote control access of the charging system. To accomplish this, resonant inductive power transfers is one of the method that can be hired to transfer power to electric vehicles (EVs) over an air-gap and can remarkably improve the range, safety and convenience of the EV battery charging. However, implementat

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3

Biswas, Md Mamun. "COMPARATIVE STUDY OF INDUCTIVE WIRELESS POWER TRANSFERPAD TOPOLOGIES FOR ELECTRIC VEHICLE CHARGING." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1536943828810247.

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4

Ibrahim, Mohammad. "Wireless Inductive Charging for Electrical Vehicules : Electromagnetic Modelling and Interoperability Analysis." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112369/document.

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Le développement de la recharge sans contact de batteries comporte divers avantages pour les véhicules électriques. Cette solution est facile à utiliser, robuste et résistante aux intempéries par rapport aux câbles généralement utilisés. Le principe est basé sur le couplage magnétique entre un émetteur et un récepteur. L'objectif de cette thèse est de contribuer à proposer une norme pour permettre l’interopérabilité, c’est-à-dire, permettre à plusieurs émetteurs de fonctionner avec des récepteurs de différents fournisseurs. Comme le système doit aussi être tolérant au positionnement et doit re

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5

Diekhans, Tobias [Verfasser]. "Wireless Charging of Electric Vehicles – a Pareto-Based Comparison of Power Electronic Topologies / Tobias Diekhans." Aachen : Shaker, 2017. http://d-nb.info/1138178330/34.

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6

Danekar, Abhishek V. "Analysis and Design of High-Frequency Soft-Switching DC-DC Converter for Wireless Power Charging Applications." Wright State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=wright1493990400812363.

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7

Moghaddami, Masood. "Design Optimization of Inductive Power Transfer Systems for Contactless Electric Vehicle Charging Applications." FIU Digital Commons, 2018. https://digitalcommons.fiu.edu/etd/3853.

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Contactless Electric Vehicle (EV) charging based on magnetic resonant induction is an emerging technology that can revolutionize the future of the EV industry and transportation systems by enabling an automated and convenient charging process. However, in order to make this technology an acceptable alternative for conventional plug-in charging systems it needs to be optimized for different design measures. Specifically, the efficiency of an inductive EV charging system is of a great importance and should be comparable to the efficiency of conventional plug-in EV chargers. The aim of this study

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8

Yring, Malin. "Textile Integrated Induction : Investigation of Textile Inductors for Wireless Power Transfer." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-10264.

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This research has its basis in developments within the field of inductive powering and wireless power transfer, WPT, and more specifically one the branch within this field, which is called magnetic resonance coupling. This principle enables efficient power transfer from a transmitting unit to a receiving unit at a distance of some times the unit diameter. The developments within magnetic resonant coupling are together with the possibilities and challenges of today’s smart textile industry the starting point to investigate a novel textile-based product concept for WPT by combining both technolo

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9

Tavakoli, Reza. "Design of Road Embedded Dynamic Charging Systems for Electrified Transportation." DigitalCommons@USU, 2020. https://digitalcommons.usu.edu/etd/7715.

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The U.S. transportation sector represented about 28% of all energy consumption in 2018. Petroleum products accounted for 92% of this total energy. Light-duty vehicles are the largest energy consumers in the transportation sector. The high amount of petroleum used by light-duty vehicles creates significant economic and environmental challenges. Electric Vehicles (EVs) have a higher fuel economy and can be emission-free; they are therefore an alternative solution for minimizing the negative environmental impact of internal combustion engine vehicles. However, the adoption of EVs has been limited

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10

Utschick, Christoph [Verfasser], Rudolf [Akademischer Betreuer] Gross, Rudolf [Gutachter] Gross, and Peter [Gutachter] Böni. "Superconducting Wireless Power Transfer at High Power Densities for Industrial Applications and Fast Battery Charging / Christoph Utschick ; Gutachter: Rudolf Gross, Peter Böni ; Betreuer: Rudolf Gross." München : Universitätsbibliothek der TU München, 2021. http://d-nb.info/1240384300/34.

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11

Mohammad, Mostak. "Optimization of Inductive Wireless Charging Systems for Electric Vehicles: Minimizing Magnetic Losses and Limiting Electromagnetic Field Emissions." University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1564756659521461.

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12

Moravec, Luboš. "Nositelná elektronika." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-241150.

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This master’s thesis deals with the explanation of the concept of smart wearables and the different application possibilities. This work also includes examples of finished demonstration devices in this category. Part of this work is devoted to guide the selection of appropriate components for the design of new equipment in the category of smart wearable. The result of this thesis is designed wearable and charging station. This device is able to read user input and display that information on a smart device running under Android system connected via Bluetooth technology.

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Bednařík, Josef. "Návrh a realizace bezdrátového nabíjení pro vestavěné systémy." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417755.

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This thesis deals with the design and realization of wireless power charging circuit for embedded systems. The research section focuses on the various ways and technologies used in applications of wireless power transfer. The theoretical part also briefly characterizes resonant inductive coupling and critical parameters of the transfer. This is followed by realization of various variants of transfer coils and electromagnetic oscillators. Wireless power charging prototype system is created and used for testing purposes to find optimal configuration of resonator. The hardware unit presented in t

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14

Vigneau, Guillaume. "Etude et modélisation d’un système de transmission d’énergie et de données par couplage inductif pour des systèmes électroniques dans l’environnement automobile." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30281.

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Actuellement, les systèmes permettant de transférer de l’énergie dans le but de recharger les accumulateurs d’appareils électroniques sans l’emploi de câble se démocratisent davantage chaque jour. On comprend donc bien l’intérêt de tels systèmes dans des environnements embarqués et confinés tels que l’habitacle d’un véhicule. Le principe de l’induction magnétique réside dans un transfert de flux magnétique entre deux antennes inductives. Le champ magnétique servira de vecteur au transport d’une puissance électrique, puisque c’est au travers de cette création de flux magnétique que sera échangé

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15

HSIEH, YI-YING, and 謝怡婷. "Wireless Charging Array with Class DE Power Converters." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/8nk3u4.

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碩士<br>國立雲林科技大學<br>電子工程系<br>106<br>The trend of technology applications has always been to provide faster system speed, rich software content and fast and convenient use environment. With new applications or usage patterns that are different from the power requirements of the past, it is necessary to consider a convenient and intelligent charging system that can provide more fast and safe charging requirements for mobile devices to be charged at the same time. This study proposes a smart wireless charging array design, which can charge multiple devices at the same time, and the ability has to

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16

Chuang, Chau-Ning, and 張朝甯. "Wireless Power Transfer Module Design for High Efficiency Charging." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/j5yx35.

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碩士<br>國立臺北科技大學<br>冷凍空調工程系所<br>101<br>Since mobile phones, the popularity of electric vehicles and related applications generate, therefore, we need to improve the efficiency of wireless power transmission urgently. Wireless power transmission technology currently available transmission efficiency is about 40%. Majority of the energy loss is an urgent need for this technology improvement issues. This study for this problem by using TDK partners developed wireless power transmission module as a benchmark. At first, we make sure the simulation accuracy of the simulation by comparing simulation d

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17

Lan, Wen-Chih, and 藍文智. "Wireless Power Transmission System Development for Charging Mobile Phone." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/88fx5e.

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碩士<br>國立臺北科技大學<br>能源與冷凍空調工程系碩士班<br>95<br>This study attempted to develop a device that charges lithium batteries for mobile communication equipment by means of light energy. This device used a highly developed solar energy photovoltaic cell and combined with a pulse width modulation (PWM) charge control system to be freed from the bonding of traditional charge circuits and achieve the goal of wireless charging. This means the battery could be charged in an area where a light source is available. This study first aimed to use solar energy photovoltaic cells sized 5x5 cm (LengthxWidth) that are

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18

Chen, Chung-Yu, and 陳重佑. "Wireless Charging and Power Management System for CMOS Biomedical SoCs." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/70105692897284702061.

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碩士<br>國立臺灣大學<br>電子工程學研究所<br>103<br>Owing to growing rapidly bio-medical electronics and the shrink of the semiconductor fabrication, CMOS biomedical SoCs can have more various circuits such as analog front end, biomedical sensor, analog to digital converter, radio frequency transmitter, radio frequency receiver, digital signal processing and so on…. Then, eachoperation voltage of circuits needs to change with low power operation or high performance operation. In addition, power management integrated circuits (PMICs) play an important role in SoCs. In a wide range of power management ICs, we di

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19

Mendes, André Pereira. "Wireless power transfer system for continuous charging of electric vehicles." Master's thesis, 2017. http://hdl.handle.net/10316/83318.

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Dissertação de Mestrado Integrado em Engenharia Electrotécnica e de Computadores apresentada à Faculdade de Ciências e Tecnologia<br>O veículo de combustão interna é, ainda hoje, a opção preferida na mobilidade automóvel. No entanto, com os crescentes incentivos à redução do uso dos combustíveis fósseis e a aposta em energias renováveis, levaram ao aparecimento de outros tipos de veículos. Nesse sentido, o veículo eléctrico (VE) apresenta-se como uma alternativa viável que combina alto rendimento e boa performance. A energia armazenada nas baterias é necessária para o funcionamento do VE e pre

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20

Huang, Chih-Cheng, and 黃志誠. "Simultaneous Wireless Power Charging and Data Transfer for Electric Vehicles." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/77599778240607789410.

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博士<br>國立中興大學<br>電機工程學系所<br>105<br>The battery charging in traditional electric vehicles is the need to plug in charging devices. Therefore, this thesis proposes a wireless battery charging method, which utilize electromagnetic induction to transfer power from grid (primary side) to vehicle (secondary side). Owing to two side are isolated the charger develop wireless communication for convenience. The data related to the battery status, the vehicle ID code, or emergency messages to be simultaneously transferred between the grid and vehicle. The communication task use a novel, convenient, and lo

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21

Chen, Bo-Cian, and 陳柏芊. "A Wireless Power Transmission System Based on Solar Power and Switched Beam for Charging Multiple Wireless Sensor Nodes." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/67325508083126265184.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>104<br>In the thesis, we propose a new far-field wireless power transmission system at 2.45 GHz ISM band, including a power source and energy harvesting circuits for wireless sensor nodes. To the best of our knowledge, no publish work has discussed the design that contains both RF power transmitter and receivers for WSNs in a solar based wireless power transmission system. By observing the regulations of Federal Communication Committee (FCC), we have implemented the system and suggested several parameter settings and selections of hardware for design. Moreover, in m

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22

Ho, Yen-Te, and 何妍德. "A Study of Patent Portfolios and Technology Development on Wireless Power Charging." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/83550817658492042427.

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碩士<br>國立臺灣科技大學<br>專利研究所<br>104<br>This study targets to analyze the global development of wireless power transfer technology, the trend of the development, critical international assignees and classification of patent technologies from different countries. We use data of each patent to analyze the trend, compare the key research area of patent applicants from different nations. After global trend analyzation, we go further to research on wireless power transfer technology in vehicle industry. We provide predictions and suggestions to future technology development through the develop path and h

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23

Lin, Jui-Chin, and 林瑞進. "Design of Secondary Locating and Automatic Power Saving for Wireless Charging System." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/90041185155655923492.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>97<br>This research based on the structure of resonance magnetic field energy transmission proposes a wireless charging system applied in portable electronic devices. The system focuses on power saving and secondary locating. Furthermore, it also combines the microcontroller and wireless communication module for charging system control and management. Due to the reason of single orientation, the wireless charging system can not charge devices in other directions. As a result, the system adopts infrared and step motor in the primary coil to locate the secondary dev

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24

Lu, Chien-Chih, and 盧建智. "A High Efficient Wireless Charging System Using an Inductive Coupling Class-E Power Amplifier." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/xj8kcp.

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碩士<br>國立臺北科技大學<br>電腦與通訊研究所<br>99<br>The thesis uses the RFID contact-less powered theory which the power transfer to charging chip via coil coupling, and chip use it to achieve wireless charging. Finally, we build the closed-loop system to achieve circuit auto control. This thesis will discuss how to design the power source terminal''s power amplifier, charging chip, and system integration. At design power source terminal, we redesign the power amplifier that the efficiency increased from 60% to 90%. At design charging chip terminal, we use TSMC 2P4M 0.35um CMOS process to redesign the communi

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25

CHANG, PO-KAI, and 張博凱. "Feasibility Evaluation of Applying Wireless Charging to aid Light-rail Train Power Supply Systems." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/jy4gkv.

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碩士<br>國立高雄第一科技大學<br>電子工程系碩士班<br>106<br>This study is to introduce wireless charging into the supercapacitor light rail train system as an auxiliary charging method, which aims to extend the operation time and distance of the trains. We built a rail model of 1 to 48 scale on a circular railroad of 335 cm in length to simulate and test. The wireless charging is implemented by the magnetic resonance charging of 500 kHz in frequency. We also investigated the operation environments appropriate for contact charging and wireless charging in the light rail train system. Printed coils on PCBs and ename

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26

Bati, A., P. C. K. Luk, S. Aldhaher, C. H. See, Raed A. Abd-Alhameed, and Peter S. Excell. "Dynamic analysis model of a class E2 converter for low power wireless charging links." 2018. http://hdl.handle.net/10454/16961.

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Yes<br>A dynamic response analysis model of a Class E2 converter for wireless power transfer applications is presented. The converter operates at 200 kHz and consists of an induction link with its primary coil driven by a class E inverter and the secondary coil with a voltage-driven class E synchronous rectifier. A seventh-order linear time invariant state-space model is used to obtain the eigenvalues of the system for the four modes resulting from the operation of the converter switches. A participation factor for the four modes is used to find the actual operating point dominant poles for th

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27

HO, YEN-TSUNG, and 何岩璁. "The Study of Quality of Experience on Wireless Power Charging with the Feedback PoWiFi Technology." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/c2qm64.

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碩士<br>國防大學<br>資訊管理學系<br>105<br>Wireless charging is a very popular topic in recent years, the current applications in the life of mobile phones, electric toothbrush, wearing devices and other projects, but most of them all use short range electromagnetic induction technology to charge, so PoWiFi wireless charging technology became useful and solve the problem of general wireless charging affect the transmission efficiency. In this paper, the purpose of this technology to join the system feedback concept. By the user feedback information, router decision-making, etc., adjust the router transmis

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28

Hung, Shen-Fong, and 洪聖豐. "Joint Wireless Charging and Hybrid Power based Resource Allocation for Energy-Efficient Small Cell Networks." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/25ydza.

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29

(9739226), Akhil Prasad. "MULTI-OBJECTIVE DESIGN OF DYNAMIC WIRELESS CHARGING SYSTEMS FOR HEAVY – DUTY VEHICLES." Thesis, 2020.

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<p>Presently, internal combustion engines provide power to move the majority of vehicles on the roadway. While battery-powered electric vehicles provide an alternative, their widespread acceptance is hindered by range anxiety and longer charging/refueling times. Dynamic wireless power transfer (DWPT) has been proposed as a means to reduce both range anxiety and charging/refueling times. In DWPT, power is provided to a vehicle in motion using electromagnetic fields transmitted by a transmitter embedded within the roadway to a receiver at the underside of the vehicle. For commercial vehicles, D

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30

(10292552), Omar Nabeel Nezamuddin. "Proposal of wireless charging method and architecture to increase range in electric vehicles." Thesis, 2021.

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<div>Electric vehicles (EVs) face a major issue before becoming the norm of society, that is, their lack of range when it comes to long trips. Fast charging stations are a good step forward to help make it simpler for EVs, but it is still not as convenient when compared to vehicles with an internal combustion engine (ICE). Plenty of infrastructure changes have been proposed in the literature attempting to tackle this issue, but they typically tend to be either an expensive solution or a difficult practical implementation.</div><div> </div><div> This dissertation presents two solutions to hel

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31

Yu-TingLin and 林昱廷. "Design of Coaxial Wireless Power Transfer System with Misalignment Tolerance Capability for Rail-Guided Vehicle Charging Applications." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/82knsj.

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32

Ye, Chen. "USV charging based on WPT system." Master's thesis, 2020. http://hdl.handle.net/10071/21904.

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With the increasing demand of water and underwater exploration, more and more electric unmanned surface vehicles (USV) are put into use in recent years. However, because of the present battery technology limits, these devices require to be recharged frequently that is a challenging problem taking into account the complex water environment where these equipments are acting. To improve safety and convenience of USV charging a wireless power transfer (WPT) system is proposed in this dissertation. In this case, the boat can be controlled to go to the charging facilities. During charging by

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33

Lu, Shin-Fu, and 盧信甫. "A 6.78 MHz GaN-Based Class-E Resonant Wireless Power Transfer Transmitter with Automatic Switching Slope Tracking Control for Charging Multiple Devices." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/6qdmjj.

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