Filters: Publication Type:"thesis" Department:"Electrical & Computer Engineering" Collection:"ir_etd" School Or College:"College of Engineering"
| Title | Author | Subject | Description | Date | ||
|---|---|---|---|---|---|---|
| 1 |  | Measuring electric power system susceptibility to cascading blackouts | Hossain, Md Abid | The purpose of this research is to develop methods and software tools to measure stress and the susceptibility of bulk electric power systems to cascading blackouts. We define some metrics to evaluate stress, compute those using real data from Western Electricity Coordinating Council (WECC) and rela... | 2017 | |
| 2 |  | Maximizing cogging torque in a radial-flux motor: toward a novel cogging-torque actuator | Aman, Jacob Lucas Barlow | The electric motor is the essential component of most robotic actuators. Each attachment connected to the robot actuator is designed to adapt the electric motor's motion to the intended output. Despite their popularity, these electric motors have a number of shortcomings for use in agile robots. Som... | 2019 | |
| 3 |  | Spread spectrum time domain reflectometry for string monitoring in photovoltaic power plants | Tumkur Jayakumar, Naveen Kumar | Spread spectrum time domain reflectometry (SSTDR) has found application in detection and localization of intermittent faults in live electrical cables. These sporadic faults can be open circuits, short circuits, or resistive changes, all of which preserve the original shape of the SSTDR correlated w... | 2019 | |
| 4 |  | Spectrum monitoring and source separation | Terry, Boston Clark | Current software-defined radio systems enable transmission at nearly arbitrary frequencies, presenting the possibility of harmful interference to existing communication services when broadcasting over-the-air. The POWDER platform provides software radios whose output can be amplified and transmitted... | 2021 | |
| 5 |  | Design of a UHF single port varactor diode parametric amplifier | Titze, Ingo Roland | The primary intent of this thesis is to demonstrate the methods of analysis, the construction details, and the tuning procedures of a practical varactor diode parametric amplifier. | 1965 | |
| 6 |  | Computation methods for secure energy system operations | Haralson, David Monk | alternating current optimal power flow; mathematical programming; power system economics | This thesis investigates and applies methods of nonlinear optimization for energy system operations. First, methods for the Alternating Current Optimal Power Flow (ACOPF) problem are examined as they relate to the electric power transmission system. They are evaluated and contrasted for flexibility ... | 2020 |
| 7 |  | Probabilistic analysis of electric vehicle loading on distribution infrastructure | Palomino, Alejandro | The proliferation of electric vehicle (EV) adoption introduces a suite of opportunities and risks to power system operation that have the potential to significantly increase loading, reduce equipment lifespan, impact design of rate structure, and offer energy flexibility. Electrified transportation,... | 2020 | |
| 8 |  | Rectification of integer arithmetic circuits | Srinath, Arpitha | Formal verification of arithmetic circuits checks whether or not a gate-level circuit correctly implements a given specification model. In recent years, verification of arithmetic circuits has received a lot of attention. However, rectification of arithmetic circuits has only been addressed very rec... | 2019 | |
| 9 |  | Motion correction of three-dimensional dynamic contrast-enhanced cardiac perfusion magnetic resonance imaging | Pedgaonkar, Apoorva | Dynamic contrast-enhanced magnetic resonance imaging can be useful to quantify cardiovascular disease. However, patient respiratory motion can affect the accuracy of subsequent analyses, making the quantification poor. Motion correction techniques are always an extra challenge for dynamic contrast-e... | 2018 | |
| 10 |  | An Investigation of Micromachined tungsten filaments as incandescent microlamps | Baker, Brian William | Incandescent lamps; filaments; tungsten lamps | The miniaturization of mechanical, electrical, and optical systems has created the need for a viable microillumination technology. This thesis reports the results of the development and testing of a miniature light source for use in microsystems. The light source, called a microlamp, consists of a m... | 2000 |
| 11 |  | A hidden surface algorithm for computer generated halftone pictures | Warnock, John Edward | Electrical engineering | The application of computer graphics to problem solving has increased over the past few years. The representation of data in the form of line drawings, graphs, charts, diagrams and line plots has been explored extensively, This paper addresses itself to some new techniques used to solve problems ass... | 1969 |
| 12 |  | An improved channel estimation algorithm for filter bank multicarrier spread spectrum | Driggs, Jonathan Davis | Channel estimation; filter bank multicarrier; maximum likelihood estimation; signal processing | Channel estimation techniques are crucial for reliable communications. This thesis is concerned with channel estimation in a #12;lter bank multicarrier spread spectrum (FBMC-SS) system. We explore two channel estimator options: (i) a method that makes use of a periodic preamble and mimics the channe... | 2017 |
| 13 |  | Designing a high-speed low-cost electrical impedance tomography data acquisition system using commercial off-the-shelf components | Brown, Steven M. | Computer Engineering; Electrical Engineering; Applied Sciences | As unattended, remote controlled, and self-driving aerial and ground vehicles become increasingly prevalent, the need for real-time structural health monitoring (SHM) systems that can sense, localize, and quantify internal structural damage with low latency, low power, and small size and weight requ... | 2016 |
| 14 |  | Design, analysis and simulation of high sensitivity, n-coupled oscillator, micro gyroscope | Pourzand, Hoorad | Bulk mass resonators; coupled resonators; MEMS gyroscopes; Ring gyroscopes | Microelectromechanical gyroscopes are readily used in cars and cell phones. Tactical gyroscopes are available inexpensively and they offer 0.01 to 0.1 % scale factor inaccuracy. On the other hand, strategic gyroscopes with much better performance levels are 100,000 times more expensive. The main obj... | 2015 |
| 15 |  | Structural health monitoring of composite structures | Mehta, Pooja | Compressive Sensing; Matched Field Processing; Sparsity | Carbon fiber-reinforced composite materials have been increasingly used in aerospace and aeronautics industries due to their superior strength over metals, low fatigue life, high corrosion resistance, and temperature resistance. Since most damage, such as delaminations, manifest inside the composite... | 2017 |
| 16 |  | Structural health monitoring with large data sets | Shiveley, Spencer | Applied sciences | Structural health monitoring systems collect and process large volumes of data taken over many years of a structure's service. Ultrasonic guided wave systems, in particular, must process an abundance of time-domain waveform data from widely distributed sensors. As few as 8~sensors that transmit and ... | 2017 |
| 17 |  | Channel and noise variance estimation in a spread spectrum communication system | Haddadin, Tarek M. | applied sciences; electrical engineering | Filter Bank Multicarrier (FB-MC) is a technique similar to Orthogonal Frequency Division Multiplexing (OFDM), used to divide the spectrum of a transceiver into multiple subcarriers or channels. When a single symbol is repeated across all subcarriers, its energy is spread across the entire spectrum. ... | 2016 |
| 18 |  | Thermal characterization abstraction for integrated optoelectronics | Schlitt, Lawrence M. | EOIC; Integrated Optics; Integrated Photonics; Optoelectronics; Physical Design Automation | Advances in silicon photonics are enabling hybrid integration of optoelectronic circuits alongside current complementary metal-oxide-semiconductor (CMOS) technologies. To fully exploit the capability of this integration, it is important to explore the effects of thermal gradients on optoelectronic d... | 2016 |
| 19 |  | Theory and permanency of calibration of the single-phase induction wattmeter | Adams, Joseph B. | Wattmeter - Calibration | The purpose of the modern electrical power plant is to furnish electrical energy to the public for illuminating, heating and power. The public compensates the owners of the power plant by paying them a stipulated sum for each unit of energy consumed by it. | 1910 |
| 20 |  | Ground Resistance | Moore, Lorin A. | Electric currents - Grounding; Electric currents | The determination of the specific resistance of representative soils taken from tthe surface strata of the Salt Lake Valley, with varying water contents, was the problem confronting the writers at the beginning of the investigation. In the following thesis an attempt is made to explain the methods ... | 1930-05 |
| 21 |  | Real-time measurement of multiple three-dimensional positions | Burton, Robert Preece | Real-time data processing; Computer graphics | A hardware-software system has been built which measures the three-dimensional positions of multiple points. In most cases, the points are light-emitting diodes which may be attached to wands, gloves, clothing, etc. The position of a light source is measured by scanning the environment and determini... | 1973-06 |
| 22 |  | Design and integration of high speed relative timed network-on-chip routers | Takur, Dheeraj singh | ASYNCHRONOUS; MESH; NETWORK ON CHIP; NoC; RELATIVE TIME; ROUTER | Integrated circuits often consist of multiple processing elements that are regularly tiled across the two-dimensional surface of a die. This work presents the design and integration of high speed relative timed routers for asynchronous network-on-chip. It researches NoC's efficiency through simplic... | 2016 |
| 23 |  | Forty femtotesla microelectromechanical systems (MEMS) magnetometer for brain imaging | Sinha, Kushagra | The design, working principle, fabrication, and characterization of ultrasensitive ferromagnetic and magnetoelectric magnetometer are discussed in this thesis. Different manufacturing techniques and materials were used for the fabrication of the two versions of the magnetometer. The ferromagnetic mi... | 2016 | |
| 24 |  | Experimental and simulation study of gate controlled resistance switching memory | Mou, Nurunnahar islam | Gated memristor; Memristor | Scaling limitation of current memory technology requires invention of a new class of memory that has high density, fast programming and access time, as well as good nonvolatility. Resistive switching memories or memristors are good candidates for such application. Anticipated advantages of these dev... | 2016 |
| 25 |  | Plasmonic metasurfaces and dynamic beam-steering at terahertz frequencies | Hirst, James | Beam-Steering; Metasurfaces; microantennas; nanoantennas; Plasmonic; Terahertz | To dynamically arbitrarily shape electromagnetic wavefronts has always presented a challenge in millimeter wave and terahertz (THz) technologies. While traditional optical components such as lenses and mirrors can provide the ability to do so, a common issue that might present a problem for long-ter... | 2015-08 |