Search results | J. Murrey Atkins Library

Title: Ultra-Wideband Contactless Current Sensors for Power Electronics Applications
Author: Parsa Sirat, Ali
Date Created: 2023
Subjects--Topical: Electrical engineering, Electromagnetism
Description: Enhanced power density factors can be achieved in the new generation of power electronics by utilizing wide-bandgap semiconductor switching devices with higher switching speeds and lower losses. These characteristics make high-frequency switching ...

Title: THREE-DIMENSIONAL STEADY STATE AND TRANSIENT EDDY CURRENT MODELING
Author: Paul, Subhra
Date Created: 2014
Subjects--Topical: Electrical engineering, Electromagnetism
Description: Maglev transportation using electrodynamic wheels is a promising new technology aimed at providing a low cost, high-speed and environmental friendly mode of transportation. In this technology, Halbach permanent magnet rotors, termed electrodynamic...

Title: THE ADVANCED CONTROL OF TRIBOELECTRICALLY CHARGED FUEL USING ELECTRIC FIELDS UNDER HIGH PRESSURE
Author: Rolle, Alzarrio
Date Created: 2017
Subjects--Topical: Mechanical engineering, Power resources, Electromagnetism
Description: This research provides preliminary results of electrospraying in elevated surrounding pressures of 40, 50 and 60 psi. Investigations were correspondingly detailed regarding the process of designing and acquiring a manufactured custom pressure cham...

Title: Microwave power imaging for ultra-wide band early breast cancer detection
Author: Shao, Wenyi
Date Created: 2012
Subjects--Topical: Electrical engineering, Biomedical engineering, Electromagnetism
Description: Due to the critical need for complementary or/and alternative modalities to current X-ray mammography for early-stage breast cancer detection, a 3D active microwave imaging system has been developed. This thesis presents a detailed method for rapi...

Title: Metamaterial Loading of Electrically Small Patch Antennas to Enable Beam Steering up to the Horizon
Author: Pai Raikar, Vandita Rajiv
Date Created: 2015
Subjects--Topical: Electrical engineering, Electromagnetism
Description: This thesis research has been conducted with an aim of investigating the effects ofmetamaterials on microstrip patch antennas. Metamaterials exhibit interesting propertiessuch as single negative or simultaneous double negative values of relative p...

Title: Metamaterial Enhanced Broadband Dipole Antenna with Selective Directivity and Enhanced Gain
Author: Naik, Ajay
Date Created: 2018
Subjects--Topical: Electromagnetism
Description: This research is aimed at investigating the interaction between a broadband dipole andmetamaterials. Metamaterials are artificial electromagnetic structures whose electricpermittivity and magnetic permeability can be engineered to have parameter v...

Title: MODELING, ANALYSIS, AND CONTROL OF A RADIAL ELECTRODYNAMIC WHEEL VEHICLE AND ANALYSIS OF AN AXIAL ELECTRODYNAMIC WHEEL
Author: Wright, Jason
Date Created: 2019
Subjects--Topical: Electrical engineering, Electromagnetism
Description: Maglev, the concept of using magnetic forces to levitate a vehicle above a guideway for frictionless motion, has received renewed interest as of late due to several high profile projects, including the proposed next-generation transit system Hyper...

Title: MANAGEMENT OF OPTICAL ABSORPTION IN PLASMONIC METAMATERIALS
Author: Alisafaee, Hossein
Date Created: 2015
Subjects--Topical: Electromagnetism
Description: In this dissertation, the main focus has been on the manipulation of optical absorption. That is to either decrease the unwanted losses or increase the desired absorption for specific applications. The approaches have been chosen to provide insigh...

Title: INFORMATION BASED SMART RF ENERGY HARVESTING IN WIRELESS SENSOR NETWORKS
Author: Tripathi, Asheesh
Date Created: 2020
Subjects--Topical: Electrical engineering, Electromagnetism
Description: A major constraint for long term sustainability of wireless sensor networks (WSN) and the Internet of Things (IoT) is the limitation of their energy resources. Most wireless sensors are low energy consuming devices which are, in general, designed ...

Title: High-order integral equations for electromagnetic problems in layered media with applications in biology and solar cells
Author: Zinser, Brian
Date Created: 2016
Subjects--Topical: Mathematics, Cytology, Electromagnetism
Description: We present two distinct mathematical models where high-order integral equations are applied to electromagnetic problems. The first problem is to find the electric potential in and around ion channels and Janus particles. The second problem is to f...

Title: FRACTAL-INSPIRED SUBWAVELENGTH GEOMETRIC INCLUSIONS FOR IMPROVEMENT OF HIGH-FREQUENCY ELECTROMAGNETIC DEVICES
Author: Smith, Kathryn
Date Created: 2018
Subjects--Topical: Electromagnetism
Description: This dissertation presents research results demonstrating the efficacy of fractal-inspired subwavelength geometric inclusions for improvement of high-frequency electromagnetic devices. It begins with a review of the open literature in the area of ...

Title: Exploiting Metamaterials: Fundamentals and Applications
Author: Karami, Morteza
Date Created: 2017
Subjects--Topical: Optics, Physics, Electromagnetism
Description: Metamaterials are man-made structures developed to engineer electromagnetic waves, and they have been studied intensely in recent decades. Although there are still debates about the performance of these types of artificial materials, many practica...

Title: EXTERNAL WAVELENGTH STABILIZATION OF GRATING COUPLED SURFACE EMITTING LASERS AND APPLICATIONS
Author: Yilmaz, Yigit
Date Created: 2012
Subjects--Topical: Electrical engineering, Optics, Electromagnetism
Description: In this dissertation, we explore a semiconductor optical device configuration based on non-resonant diffraction grating coupler. These devices are coupled with monolithic and external wavelength selection elements to form the resonant cavity lasin...

Title: Dynamic suspension modeling of an eddy-current device: an application to Maglev
Author: Paudel, Nirmal
Date Created: 2012
Subjects--Topical: Electrical engineering, Power resources, Electromagnetism
Description: When a magnetic source is simultaneously oscillated and translationally moved above a linear conductive passive guideway such as aluminum, eddy-currents are induced that give rise to a time-varying opposing field in the air-gap. This time-varying ...

Title: Design of a Microstrip Antenna and PCB for use in an Electrocorticography Biomedical Implant
Author: West, Jakob
Date Created: 2019
Subjects--Topical: Electrical engineering, Biomedical engineering, Electromagnetism
Description: An implantable system, that is part of a wireless body area network, is under development for a study monitoring of neural activity in rats with epilepsy. The study will continue over a nine month period to collect data for epilepsy research. This...

Title: Design of a Closed Loop Wireless Power Transfer System for an Electrocorticography Device to be Implanted in the Brain of a Rat Over an Extended Period
Author: Stuemke, Jeremiah
Date Created: 2018
Subjects--Topical: Electrical engineering, Electromagnetism
Description: A biomedical power and communications system is currently under development for the purpose of continuously monitoring neural activity in ratswith epilepsy over a period of nine months. A closed loop system is employed that dynamically adjusts for...

Title: Current sensing solutions for modern power electronic
Author: Niakan, Hossein
Date Created: 2023
Subjects--Topical: Electrical engineering, Electromagnetism
Description: Power electronics facilitated the growth of a wide range of industries in today’s world. Its presence can be seen in renewable energy systems, transportation electrification, smart grids, industrial drives, and consumer electronics to name a few. ...

Title: Correlation Based Electromagnetic Analysis Attack and Countermeasure
Author: Tamore, Suyash Mohan
Date Created: 2018
Subjects--Topical: Electrical engineering, Electromagnetism
Description: Side channel analysis is a non-invasive cryptanalysis attack categorized as an implementation attack. Electronic device leak information during the data processing via covert side channels. Power consumption, electromagnetic (EM) radiations, and p...

Title: Broadband and Reconfigurable Filtering Antennas for Next Generation Mobile Wireless Communications Systems
Author: Shehan, Joshua
Date Created: 2018
Subjects--Topical: Electrical engineering, Electromagnetism
Description: Mobile wireless communications systems, particularly at the base station level, are ever evolving to provide more data with better coverage resulting in continuously evolving antenna technology. From first generation (1G) mobile networks deployed ...

Title: Application of Local Transmission Line Modelled Metasurfaces and Comparison to Huygens-Fresnel Principle Modelled Metasurfaces
Author: Trusnovic, Matthew
Date Created: 2021
Subjects--Topical: Electrical engineering, Electromagnetism
Description: Metasurfaces have many applications, from beam steering effects to polarization control. There are two main theories that are used in the creation of modern metasurfaces, one based on the Huygens-Fresnel Principle and one based on Local Transmissi...