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.
Results
Showing 1 to 20 of 922 for “"Charging"”.
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Smart charging strategies for electric vehicle charging stations
… concerns over the limited availability of charging stations and long charging/waiting times are major contributors to the slow uptake of plug-in electric vehicles (PEVs) in many countries. To address the consumer concerns, many countries have undertaken projects to deploy a network of both …
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Optimal electric vehicle charging management: coordination of multiple charging methods and technologies
… EV users also deal with challenges such as high charging time and low charger availability, especially in urban areas with huge populations and various types of charging demands. This dissertation initially reviews EV charging technologies and presents a new classification. Next, to address the …
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Electric Vehicle Fleet Charging Management
… emissions, yet faces hurdles, particularly in charging operations. Despite infrastructure advancements, managing electric vehicle (EV) charging remains complex, especially compared to traditional vehicles. The disparity between demand and availability, alongside limited charging windows, poses …
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Electrostatic charging in fuel filtration.
Massachusetts Institute of Technology. Dept. of Mechanical Engineering. Thesis. 1974. M.S.
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Road User Charging: Acceptability and Effectiveness
… major barriers to implementation of road user charging is how to design a scheme that is simultaneously acceptable to the public and effective in achieving its objective. The aim of this research was to study how road user charging can be designed to achieve acceptability and effectiveness. …
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Local Charging Behavior on GaN Surfaces
… scanning Kelvin probe microscopy (SKPM). The charging and discharging behavior of the surface appears to be strongly influenced by surface preparation and the presence of a surface oxide layer. If a substantial oxide layer exists, then both positive and negative charging is possible on n-type …
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Charging and discharging of Lichtenberg electrets
<p>The research presented here describes a unique way to deposit a large amount of charge onto the surface of a thin dielectric sheet to create a Lichtenberg electret that can be discharged elsewhere to form spectacular Lichtenberg figures. This study examines how the amount of charge deposited …
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Charging facility allocation in smart cities
… plan the energy sources and energy delivery via charging facilities to EVs, taking into consideration interdependencies between roads/transportation and electric grid. In this thesis, we focus on studying the placement of energy sources and their charging facilities for EVs by developing: 1) an …
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Charging in Aspect Ratio Dependent Etching
… to provide a measurement technique for sidewall charging in high aspect ratio features exposed to a plasma environment. Currently, high aspect ratio features, holes which are very deep but not very wide, on semiconductor chips are used in order to create the cutting edge computer memory that is …
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Electric charging in liquid hydrocarbon filtration
Thesis. 1976. Ph.D. cn--Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
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Charging of aggregate grains in astrophysical environments.
… an aggregate structure. This study examines the charging of aggregate grains in different astrophysical environments. A 3D numerical model employing a self-consistent iterative approach to compute the aggregate charge is introduced. Different size distributions for cosmic dust grains are used in …
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Efficient wireless charging with gallium nitride FETs
Though wireless charging is more convenient than traditional wired charging methods, it is currently less efficient. This not only wastes power but can also result in a longer charging time. Improving the efficiency of wireless charging systems is equivalent to reducing the sources of loss in the …
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Charging of small two-dimensional electron puddles
We study electron additions in 2D quantum dots of varying sizes and over a wide range of electron densities using Single Electron Capacitance Spectroscopy For high electron densities in dots of any size, we observe a conventional pattern of nearly periodic Coulomb blockade However, the addition …
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Digital control of contactless battery charging system
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
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Advanced active rectifiers for electric vehicle battery charging
… into the utility which necessitates battery charging circuitry. More specifically, this dissertation focuses on the power factor correction (PFC) circuit which makes up one part of a typical battery charging system. The circuits presented here are not dependent on battery chemistry, so they …
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Analysis of soft charging switched capacitor power converters
… The focus of this thesis is to outline soft-charging control, which addresses the stigmas associated with switch capacitor converters. A topology analysis is performed to determine which topologies can support soft-charging, and the Dickson charge pump is selected for the continued …
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