Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 25 for “"Wireless Power Transfer (WPT)"”.
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Self Capacitance based Wireless Power Transfer for Wearable Electronics: Theory and Implementation
Wireless power transfer (WPT)
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A hybrid compensation-based misalignment tolerant wireless power transfer system for e-mobility
… voltage (CC/CV) charging through a wireless power transfer (WPT) system for e-mobility. The thesis proposes a hybrid multi-resonant compensation network (LCC-LCC and LCC-S) for CC/CV charging during perfect alignment, controlled by the secondary side only. Additionally, the thesis …
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Enhanced wireless power transfer system modeling using reflection theory and magnetic circuit analysis
This thesis presents an advanced model for wireless power transfer (WPT) systems, designed to optimize efficiency in high-power applications. By incorporating reflection theory and imaginary gyrator to address impedance mismatches between systems, the research refines conventional approaches. The …
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DESIGN OF DYNAMIC CAPACITIVE WIRELESS POWER TRANSFER SYSTEMS FOR ELECTRIC VEHICLE CHARGING
Dynamic wireless power transfer (WPT) systems can potentially accelerate the penetration of electric vehicles (EVs) in the market by enabling stationary, semi-dynamic, and dynamic charging, thereby reducing EV costs, eliminating charging time, and enabling unlimited range. Furthermore, dynamic WPT …
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Near-field wireless power transfer and communication system design for corneal intraocular prosthetic device
… with a design emphasis on the simultaneous wireless power and data transfer system. Electronic ocular prosthetics (EOP) or artificial eyes are devices designed to deliver artificial visual stimuli to patients with blindness to partially restore their visual function. The need for wireless …
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Design of a Phi-2 and a Class E inverter for underwater systems
… more robust submarines. This can be done with wireless power transfer (WPT), which can transmit power efficiently across mediums within the submarine, therefore eliminating the need for physical connections and making underwater systems more compact and light-weight. The thesis presents two WPT …
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Analysis And Optimal Design Method of LCLC Resonant Tank for Bidirectional DC-DC Resonant Converter And LCLC Resonant Converter's Efficiency Performance in Wireless Low Power Transfer Applications
<p>Wireless power transfer (WPT) technology provides galvanic isolation for improved safety and also provides reliability by eliminating the need for dedicated connectors/adapters that can get damaged due to frequent usage. For these reasons, it has become popular in medical implant charging and …
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Single-Stage Wireless Power Transfer System with Single-Switch Secondary Side Modulation
… of output voltage/current is nontrivial in a wireless power transfer (WPT) system. Previously presented methods for regulating or controlling the output of a WPT system include incorporating either post-regulator stage, wireless communication from secondary to primary side, primary side …
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Design of a Wireless Power Transfer System using Electrically Coupled Loop Antennas
Wireless Power Transfer (WPT) has become quite popular over the recent years. This thesis presents some design challenges while developing a WPT system and describes a system-level methodology for designing an end-to-end system. A critical analysis of contemporary research is performed in the form …
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Planification de la trajectoire des drones et gestion de l'énergie dans les réseaux de capteurs sans fil
… considèrent que les UAVs utilisés effectuent un transfert d’énergie sans fil (en anglais Wireless power transfer, WPT) et que les capteurs disposent de l’habileté de récolter l’énergie transférée. L’objectif des solutions proposées du premier chapitre est de minimiser le temps de la mission de …
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Improvements in Inductively Coupled Wireless Power Transfer Through Non-Sinusoidal Excitation and Closed-Loop Operation Using Optical Feedback
… improve the performance in inductively coupled wireless power transfer (WPT) systems. The first is non sinusoidal excitation technique. By analysing the characteristics of rectifier diodes, LR time constant, and circuit impedance for nonlinear signals, a triangular pulse input is designed to …
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Maximizing Flexibility and Efficacy of Undersea Wireless Power Transfer Systems
… way to achieve this is with remote undersea wireless power transfer (WPT) systems to allow AUV charging from remote areas of the ocean floor. While there has been significant research in WPT system design, these projects often tailor the design specifications towards a specific AUV shape, …
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Fully Integrated Wireless Power Transfer System For Biomedical Applications
Wireless power transfer (WPT) is commonly realized by means of near-field inductive coupling and is critical to many applications. It is highly desirable to fully integrate the receiver coil (Rx) and power shaping circuits on a single chip in a standard CMOS process with no additional …
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Hybrid inductive and capacitive wireless power transfer system for future transportation electrification
The inductive link in wireless power transfer (WPT) fed by various high–frequency power converters is widely accepted for medium power (<50 kW) and medium power transfer distance (100 mm-200 mm) applications due to remarkable efficiencies (>90%) in stationary wireless charging scenarios. However, …
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Implanted Antennas and Intra-Body Propagation Channel for Wireless Body Area Network
Implanted Devices are important components of the Wireless Body Area Network (WBAN) as a promising technology in biotelemetry, e-health care and hyperthermia applications. The design of WBAN faces many challenges, such as frequency band selection, channel modeling, antenna design, physical layer …
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Coupled resonator based wireless power transfer for bioelectronics
… increased sophistication i.e. multiple channels, wireless bi-directional communication, and responsiveness (closed-loop devices). One primary challenge in realizing miniaturized and sophisticated bioelectronics is powering. Integration and development of wireless power transfer (WPT) technology, …
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Power Management and Power Conditioning Integrated Circuits for Near-Field Wireless Power Transfer
Near-field wireless power transfer (WPT) technology facilitates the energy autonomy of heterogeneous systems, significantly augmenting complementary metal-oxide-semiconductor field-effect-transistor (CMOS) technology. In low-power wearable devices, existing power conditioning integrated circuits do …
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Design and Control of Capacitive Power Transfer Systems
Wireless power transfer (WPT) has enjoyed growing popularity in the past few decades as it provides a flexible and effective way of delivering power to loads without any physical contact. Among all the forms of conducting WPT, inductive power transfer (IPT) technology is the most extensively used. …
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Protection, Control, and Auxiliary Power of Medium-Voltage High-Frequency SiC Devices
… (WBG) semiconductor enables next-generation power electronics systems with higher efficiency and higher power density. With higher blocking voltage available, WBG devices, especially the silicon carbide (SiC) metal-oxide-semiconductor field-effect transistor (MOSFET), have been widely …
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6.78MHz Omnidirectional Wireless Power Transfer System for Portable Devices Application
Wireless power transfer (WPT) with loosely coupled coils is a promising solution to deliver power to a battery in a variety of applications. Due to its convenience, wireless power transfer technology has become popular in consumer electronics. Thus far, the majority of the coupled coils in these …
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