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Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
The demand for high-voltage and high-power power electronics devices, especially for the next generation electrical ship system, has increased rapidly these years. The three-phase three-level neutral point clamped (NPC) rectifier...
A proposed alternative wireless communication technique is developed and compared to the current radio frequency command link in a Flight Termination System. The command link in a Flight Termination System requires a reliable signal in a...
This work’s objective is to apply the model predictive control method to the intelligent energy management layer of the Future Renewable Electric Energy Delivery and Management system. This allows for optimal power reference signals to...
Recently, the smart grid technologies have been developed rapidly recently, which an important component is the so called demand response management (DRM). With the help of a DRM program, a utility company can adjust the power demand and...
Electric power lines are subject to disturbances such as severe weather conditions, contact with animals, falling trees, human accidents, equipment malfunction, etc. These catastrophic events can trigger an electrical fault, which...
Swarm behavior indicates the direct or indirect interactions among relatively simple agents to perform a particular task that is unknown to the individual agent. The study of swarm behavior originates from the research of swarms in...
Recent increased popularity in plug-in hybrid electric vehicles (PHEVs) has been influenced by their ability to relieve the economic dependence on oil, meanwhile reducing the carbon footprint through the decreased level of harmful...
Compared to the conventional Si semiconductors, SiC technologies can improve PV converter performance such as a higher power density while leading converters to a higher operating temperature, making the cooling system a significant...
Fourier transforms form an integral part of most signal processing applications and are therefore a crucial enabler of modern technology. Thus, fast and efficient algorithms to compute the Fourier transform is an area of active research....
The increasing interest and gradual adaptation of a DC electrical distribution system by the US navy and smart grid designs has demanded a change to the structure of the traditional electrical distribution system. The development of the...
The along-track resolution of a sonar system is proportional to the aperture length in the along-track direction. Synthetic aperture sonar (SAS) coherently sum samples from multiple physical locations to form a synthesized aperture which...
In this research, two important concepts concerning parallel robots are investigated: compliance and fault tolerance. First, we address the issue of synthesizing a suitable compliance. This is an important problem since a well-designed...
In order to image or map targets on an ocean floor, a synthetic aperture sonar platform is moved underwater over the ocean floor. The platform pings or transmits acoustic signals, which reflect off the target back to the receiver. A...
In this thesis, an approach is proposed for the design and implementation of fuzzy traffic controllers using Field Programmable Gate Arrays (FPGAs).The focus of this study is to develop an effective traffic signaling strategy to be...
Superconducting magnet systems are the enabling technology for several research fields, e.g., experimental high-energy physics and fusion. Advanced superconducting magnet systems are strongly needed to achieve ever-higher beam energy in...
The Heisenberg Uncertainty principle is a fundamental concept from Quantum Mechanics that also describes the Fourier Transform. Unfortunately, it does not directly apply to the digital signals. However, it can be generalized if we use...
Many pattern recognition tasks employ artificial neural networks based on radial basis functions. The statistical characteristics of pattern generating processes are determined by neural networks. The Gaussian potential function is the...
The demand for high-speed mobile wireless communications is rapidly growing. MIMO technology promises to be a key technique for achieving the high date capacity and spectral efficiency for wireless communication systems of the near...
The innovation and accessibility of Internet across the globe has made life easy. For instance, enormous information in the form of digital data (images, audios, videos, pdf, etc.) is available on Internet, which can easily be accessed...
Modern power distribution grid has become very complex, especially with the integration of distributed renewable resources and many electronic power devices. Maintaining power quality is becoming incrementally challenging due to the...
Although many attempts have been made to construct an economically feasible Fault Current Limiter (FCL), no FCL has yet been widely accepted by the power industry. This thesis presents a novel fault current limiter for power system...
This document reviews the fault tolerant control (FTC) problems, approaches, and ideas. Chapter one provides the motivation of the need for an FTC, then an overview of the FTC systems and basic terminologies are provided defining faults, ...
With today's trend toward ever growing amounts of data, deep learning approaches are increasingly deployed with impressive success, notably in image recognition and time series classification applications. State of the art performance of...
Systems with critical functionality and are prone to damage due to excessive stress level from operation conditions and working environment requires health monitoring. Condition or health monitoring involves acquiring data that can be...
The emerging emphasis and benefits of distributed generation on smaller scale networks has prompted much attention and focus to research in this field. Much of the research that has grown in distributed generation has also stimulated the...
Electric power grids are evolving rapidly as increased emphasis is placed on integration of renewable resources into existing power infrastructures and as new paradigms for power production and distribution, such as microgrids, are...
Facial expression recognition (FER) is a promising but challenging area of computer vision (CV).Many researchers have devoted significant resources to exploring FER in recent years, but an impediment remains: classifiers perform well on...
The paint and coatings industry is constantly working to improve their product, making a more efficient product at a cheaper cost. This requires some research and learning on the part of the companies, particularly in optical studies....
A 2kV high voltage LLC resonant DC to DC converter using silicon carbide (SiC) devices is proposed. The converter is applied for the medium voltage PV system to boost PV array terminal voltage and carry out maximum power point tracking ...
Lithium ion battery discovered since the 1980s has become pivotal to our energy needs. With the need for a shift to renewable energy and increased use of portable devices, energy storage has become a very important aspect of modern day...
Response surface methodology is used to study the effectiveness of different grounding schemes implemented for the mitigation of a single-line-to-ground fault in a medium voltage DC (MVDC) power system. Multivariate adaptive regression...
Image compression addresses the problem of reducing the amount of data required to represent a digital image. The basis of the reduction process is the removal of redundant data without affecting the quality of the image. This can be...
Modern CPS are constructed by seamlessly integrating physical devices, computer systems, and communication networks, enabling data exchange and control of physical processes. The networked and distributed integration of computer systems...
LiFePO4 batteries have been in existence since 1997 through the work of Padhi et al and showed promise early on due to its material abundance, low cost, low environmental impact, high temperature tolerance and theoretical capacity of...
Nuclear magnetic resonance (NMR) is an important tool used to study the atomic or molecular properties of nuclei by exploiting its magnetic properties. A spectrometer is an integral element of an NMR system which consists of a RF...
A robust and computationally efficient Monte-Carlo based technique is developed to analyze the magnetic aftereffect and noise passage phenomena in magnetic hysteretic systems by using phenomenological models of hysteresis. The technique...
The electrical power industry faces a never-ending and increasing demand for innovative designs and ideas to provide electrical power with reduced size, a clean environment, and resiliency. Electric transport systems are some of the...
Nowadays, relatively small-scale distributed generation (DG) technologies are developing rapidly in an effort to both protect the environment and to address the bottleneck of centralized power systems. DG tends to utilize diverse...
Power hardware-in-the-loop (PHIL) is a powerful technique that allows researchers to test hardware under different operating conditions and environments.PHIL creates a closed-loop environment, where a single physical device is coupled to...
Image segmentation is one of the most important categories of image processing. The purpose of image segmentation is to divide an original image into homogeneous regions. It can be applied as a pre-processing stage for other image...
Power system designers have more creative flexibility than ever before due to improvements in power electronics technology. The invention of the silicon (Si) insulated gate bipolar transistor (IGBT) in the 1980s was a major improvement...
This thesis presents and evaluates a bio-inspired vision system design to increase the depth field of a stereoscopic ranging imager. Two key attributes of the human vision system are leveraged in this design. The first attribute is image...
Filtering is an important aspect of the modern power system. By reducing the effects of harmonics, power transmission and utilization becomes more efficient. This research examines the use of neural networks for the estimation and...
The increasing consumer demand and government incentives are driving the rapid growth of renewable energy generation. In particularly, the number of distributed photovoltaic (PV) system installations is increasing quickly. However, the...
Lithium batteries have played an important role since early 1980’s to provide us with energy for small portable devices. Due to the increasing demand and limited availability of fossil fuels there is a need to shift to renewable energy....
Bridges in Florida are exposed to high amounts of humidity due to the state's geography. This excess moisture results in a high incidence of corrosion on the bridge's steel support cables. Also, the inclusion of ineffective waterproofing...
Power electronics technology has been widely used in electric power system to achieve high energy efficiency and high renewable energy penetration. Small signal instability phenomena could easily occur in systems with abundant power...
The prediction of any aspect of the future has always fascinated mankind because of the possible benefits of this knowledge, especially financial benefits. From year to year, many stockholders would like to be able to know if the price...
As the energy demand grows so to do the need for devices that can be tailored to a design need. Often, this can lead to a device that falls between the two traditional groups of lithium-ion battery (LIB) and lithium-ion capacitors (LIC)....
Gas turbine-synchronous generator (GT-SG) systems are the main source of power and propulsion onboard most naval ships. Since this system plays a vital role in accomplishing the ship's mission, a lot of testing is conducted to ensure...
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