This paper deals with the electric and magnetic field (EMF) safety aspects of a wireless power transfer (WPT) system based on resonant coupling between two coils. The primary coil is assumed to be on-body, while secondary inside human body connected battery recharge an active implantable medical device such as pacemaker. study allows us identify good preliminary solution WPT configuration, compensation capacitor topology, operational frequency. Demonstrative systems operating at different...

This paper deals with wireless power transfer technology applied to charge the battery of a short-distance electric vehicle. Different compensation topologies (series-series and LCC compensations) are examined compared in terms magnetic field emission system efficiency. The investigation is carried out by simulations measurements taking into account variation coupling factor due possible lateral misalignment parallel coils, load conditions that depend on level charge.

This study deals with the design and optimization of a wireless power transfer (WPT) charging system based on magnetic resonant coupling applied to an electric vertical take-off landing Unmanned Aerial Vehicle (UAV). In this study, procedure for primary secondary coil is proposed. The circuit in ground station consists array coils order mitigate negative effects factor produced by possible misalignment between due imperfect landing. Key aspects onboard UAV are lightness compactness WPT...

A wireless power transfer (WPT) system based on magnetic resonant coupling is applied to a pacemaker for recharge its battery. The primary coil assumed be on-body, while the secondary in-body. Three different configurations of are hereby investigated placing it inside titanium case pacemaker, top surface case, or being part case. operational frequency fixed at relatively low (20 kHz) in order allow field penetration through and limit electric safety thermal increase issues. For each examined...

The Society of Automotive Engineers (SAE) Recommended Practice (RP) J2954 (November 2017) was recently published to standardize the wireless power transfer (WPT) technology recharge battery an electric vehicle (EV). SAE RP establishes criteria for interoperability, electromagnetic compatibility (EMC), field (EMF) safety, etc. aim this study predict magnetic behavior inside and outside EV during charging using design J2954. Analyzing worst case configurations WPT coils bodyshell by a...

A Wireless Power Transfer (WPT) system based on magnetic resonant coupling is applied to a small electrical Unmanned Aerial Vehicle (UAV) recharge its battery. The transmitting coil assumed be terrestrial base station, while the receiving onboard. operation frequency fixed 150 kHz. Key aspects for this kind of application are reduction weight onboard WPT maintaining high efficiency and avoiding EMC/EMI problems drone electronic system. In study, feasibility charging demonstrative has been proved.

The shielding technique by active coils is proposed to mitigate the magnetic field produced a wireless power transfer (WPT) system based on near coupling. General guidelines are provided for design shield source emission reduction or victim immunity enhancement. Then, method identify suitable excitation of coils. permits mitigation in specific point induced effects loop area. Furthermore, influence performance WPT also investigated. Finally, solution validated measurements. A effectiveness...

A high power and efficiency Wireless Power Transfer (WPT) system based on magnetic resonant coupling is proposed to automatically recharge the battery of a small Unmanned Aerial Vehicle (UAV) (a remotely controlled drone). The drone equipped with WPT receiving (Rx) circular coil an electronic control charging process, while transmitting (Tx) placed ground station connected electric feeding system. To improve electrical performance tolerance always possible misalignments between Rx Tx coils,...

A novel design of active coil shielding is proposed to reduce the magnetic field generated by currents flowing into coils a wireless power transfer (WPT) system for charging batteries an electric vehicle (EV). The main idea divide traditional loop used shield source in two separate so as not adversely affect WPT performance. This concept applied coils, and, therefore, design, there are placed on ground parallel primary and some others board below vehicle, planarly located with secondary...

The paper provides an investigation of a possible application wireless power transfer (WPT) technology to recharge the battery short-distance electric vehicle. performance WPT system working at 85 kHz is first investigated by simulations. A robust LCC compensation network suitably tuned then with goal analyze influence design parameters on strategy. Particular attention addressed evaluate deterioration due coil misalignment. Finally, performances are evaluated demonstrating feasibility...

In this study, the electric field induced inside two realistic anatomical models placed near or an vehicle made of carbon-fiber composite while charging its battery with a wireless power transfer (WPT) system has been investigated. The WPT source consists parallel inductive coils operating output 7.7 kW at different frequencies 85 and 150 kHz. Since misalignment between primary secondary coil creates higher fields, 20 cm is also considered as worst-case exposure condition. analysis obtained...

This study deals with the inductive-based wireless power transfer (WPT) technology applied to a deep implant no fixed position. The usage of large primary coil is here proposed in order obtain nearly uniform magnetic field inside human body at intermediate frequencies (IFs). A simple configuration coil, derived by Helmholtz theory, proposed. Then, detailed analysis carried out assess compliance electromagnetic (EMF) safety standards. General guidelines on design and secondary coils are...

This study deals with the development of a new power supply system implanted in human body to feed several implantable medical devices (IMDs). The is energized from outside via transcutaneous wireless transfer (WPT) link subcutaneous pocket. internal equipped backup battery and can continuously multiple IMDs for maximum 25 W. As demonstration proposed solution, different are considered. An experimental setup was carried out laboratory tests were performed on real demonstrate feasibility...

A numerical investigation is carried out to assess the EMC and EMF safety compliance of a wireless power transfer (WPT) system used recharge battery an electric vehicle (EV). The assessment numerically performed considering WPT working at frequency 85 kHz with output 7.7 kW. prediction electromagnetic field by using finite element method (FEM) code model coils chassis car. calculated magnetic compared International Commission on Non-Ionizing Radiation Protection (ICNIRP) reference level,...

A near-field wireless power transfer (WPT) technology is applied to recharge the battery of a small size drone. The WPT an extremely attractive solution build autonomous base station where drone can land wirelessly charge without any human intervention. innovative design based on use mechanical part drone, i.e., landing gear, as portion electrical circuit, onboard secondary coil. To this aim, gear made with adequately shaped aluminum pipe that, after suitable modifications, performs both...

This article deals with the electromagnetic interference (EMI) in a cardiac implantable electronic device (e.g., cardioverter-defibrillator or resynchronization therapy) generated by left ventricular assisted (LVAD) powered wireless power transfer (WPT) system. Wireless LVAD, not yet available market, is currently being investigated for many aspects spanning from electronics, hydraulic, electrical feeding, mechanical, and its possible impact on other implanted devices, such as (CIED). No...

Electric vehicles (EV) are now considered the present and future of road transportation to reduce emission CO2 into environment thus progressively global warming climate change. However, EVs currently have some weaknesses such as available range battery-powered recharging time batteries. To overcome these problems, electrification projects been proposed for dynamic wireless power transfer (DWPT), where an EV charges it moves along electrified lane using magneto-resonant coupling between...

This study deals with the design of a Wireless Power Transfer (WPT) system based on magnetic resonant coupling between two coils, whose secondary is located inside human body and connected to battery recharge an active implantable medical device (AIMD). A co-simulation tool developed using circuit electromagnetic field models simulate WPT system. Simulation results are obtained for different positions coil compared experiments.

An innovative coil configuration for inductively-based wireless power transfer (WPT) technology is presented to recharge the battery of a compact unmanned aerial vehicle (UAV) (i.e., remotely controlled drone). To improve tolerance WPT system misalignment caused by imperfect landing, large primary proposed in combination with single turn, secondary coil. The on-board integrated part drone used as protection propellers. turn efficient from an electrical point view and very convenient...

A novel design of active coils is proposed to reduce the magnetic field generated by currents flowing into a wireless power transfer (WPT) system for recharging batteries an electric vehicle (EV). The main idea split traditional loop, in two separate shielding coils. They have semi-annular shape and are placed on ground pad around WPT primary coil. geometry excitation varied minimize beside without degrading electrical performance.