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 16 of 16 for “"Inductive coupling"”.
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An energy-efficient wireless data link for implantable electronics
… about 120 kbps of data. For low-power operation, inductively-coupled near-field wireless links have shown great promise and were used to develop a power-efficient data link for biomedical implants. A prototype bi-directional, half-duplex wireless link based on inductive coupling was designed in a …
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Fully Integrated Wireless Power Transfer System For Biomedical Applications
… 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 post-processing steps or external …
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Exploiting Near Field and Surface Wave Propagation for Implanted Devices
… the bandwidth shortcomings of conventional inductive coupling biotelemetry systems for implantable devices, and presents two approaches toward an end-to-end biotelemetry system for reducing the power consumption of implanted devices at increased levels of bandwidth. By leveraging the …
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Design of an AUV recharging system
… using a linear coaxial wound transformer (LCWT) inductive coupling mounted on the AUV and a vertical docking cable is investigated. The docking cable may be deployed from either a fixed docking station or a mobile "tanker AUV". A numerical simulation of the simplified system hydrodynamics was …
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Design and modeling of wireless link for biomedical implantable applications
… intended for wireless power transfer based on inductive coupling. The data link is realized by either coupling coils for near-field communications or a pair of antennas for far-field purposes. This work presents the optimization method of rectangular coils for maximum power transfer efficiency; …
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Fundamental and practical limits to image acceleration in parallel magnetic resonance imaging
… directions simultaneously. Second, the impact of inductive coupling between array elements in parallel MRI is investigated theoretically and experimentally. Finally, electromagnetic calculations are described that permit computation of the ultimate intrinsic signal-to-noise ratio available to any …
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Can we probe the conductivity of the lithosphere and upper mantle using satellite ocean tidal magnetic signals?
… to deep conducting structures because of the inductive coupling between primary and induced sources. In contrast, galvanic coupling from the oceanic tidal signal allows for studying less conductive, shallower structures by also using shorter periods. A few studies convincingly demonstrated …
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Interconnect modeling and optimization in deep sub-micron technologies
… technology buses is derived. The capacitive and inductive coupling between the bus lines as well as the distributed nature of the wires is taken into account. The model is used to estimate the power consumption of the bus as a function of the Transition Activity Matrix, a quantity generalizing …
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Design of a wireless power transmission system for sensors in a household environment
… associated with this application. Resonant inductive coupling is selected based on its suitability towards the desired application for reasons of power level, safety, obtrusiveness, and efficiency. The second part of the thesis describes the processes of design, simulation, fabrication, and …
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Geometry-Aware Methodology for Coupling Mechanism Analysis and Radiation Mechanism Analysis
… methodologies are presented to analyze the coupling and radiation mechanism in electronic devices.</p> <p>To investigate the coupling between the distributive geometries in the radio frequency interference (RFI) problem, a mesh-dependent partition-based coupling mechanism analysis method is …
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Short Distance Telemetry for Piston Monitoring. Design and Development of Short Distance Telemetry for Engine Condition Monitoring.
… piston reaches near bottom dead centre, using inductive coupling to power the sensors and transmit data to an evaluation unit for data processing. The planned system involves designing and building a prototype telemetry unit using ¿off the shelf¿ components that integrate the reading of …
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Resonant power conversion topologies for inductive charging of electrical vehicle batteries
This thesis is concerned with inductive charging of electric vehicle batteries. Rectified power form the 50/60 Hz utility feeds a dc-ac converter which delivers high-frequency ac power to the electric vehicle inductive coupling inlet. The inlet configuration has been defined by the Society of …
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Transient antenna-plasma interaction in inductive plasma thrusters
… to other technologies under consideration, inductive plasma thrusters are a promising candidate due to their high thrust density and proven propellant flexibility. In contrast with conventional space propulsion technologies, inductive coupling can deliver energy to a propellant without …
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Nonlinear Effects in Contactless Ultrasound Energy Transfer Systems
… waves to transfer energy, including inductive coupling and capacitative coupling. To date, the majority of research on UAET systems has been limited to modeling and proof-of-concept experiments, mostly in the linear regime, i.e., under small levels of acoustic pressure that result in …
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Dual-Band Power and Communication Antennas for Wireless Brain-Computer Interfaces
… is to supply power to the BCI device via inductive coupling at the high-frequency (HF) band (13.5 MHz) and to have data communication at the ultrahigh-frequency (UHF) band (902–928 MHz). To fulfill these requirements, design of dual-band (HF and UHF) antennas for BCI and external devices …
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Design, Modeling and Control of Bidirectional Resonant Converter for Vehicle-to-Grid (V2G) Applications
… battery chargers that can be conductive or inductive. In conductive chargers, the charger is physically connected to the grid by a connector. With the inductive chargers, energy can be transferred wirelessly over a large air-gap through inductive coupling, eliminating the physical connection …