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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.
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...
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...
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...
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...
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...
Noctiluca Miliaris is a single cell, multi-membrane organism that has bioluminescent capabilities. This luminescent ability is closely associated with the flash triggering potential produced by an excitable membrane under active...
The microstructure of the catalyst layer in proton exchange membrane fuel cells (PEMFCs) greatly influences the utilization of the catalyst (Pt) and the overall cell performance. Research focused on two key components in optimizing the...
Power Electronic-based Distribution Systems (PEDS) can provide excellent features such as load regulation, high power factor, and transient performance; especially in the large scale grids which are highly penetrated with the renewable...
In this thesis, three different RF coils were investigated for their application in Magnetic Resonance Imaging (MRI). We developed transmit/receive birdcage volume coils since they provide better B1 field homogeneity than other coils....
It has been clear in the recent decades that there is an urgent need to progress towards renewable energy. There are few established technologies that provide a suitable economic option. These include hydropower, solar, wind, geothermal, ...
In recent years, organic solar cells (OSCs) have been attracting much attention due to the ease of processing, low cost, flexibility, and lightweight compared to the traditional inorganic solar cells. Although OSC looks promising, it has...
The Switched Reluctance Machine (SRM) is one of the oldest members of the electric machine family; it is known for its simple structure, ruggedness, and inexpensive manufacturability. Despite its numerous advantages, at low speeds the...
Recent years have seen developments in lithium-ion capacitor (LIC) technology. However, there has been scant work in mathematical models to predict the performance of LICs. Existing models have focused upon cell degradation over time or...
Nuclear Magnetic Resonance Imaging or MRI is a non invasive imaging technique which exploits the inherent magnetic field produced by nuclei of atoms with a nonzero spin. Since hydrogen is the most abundant atom, it forms the basis of NMR...
While the electrochemical energy storage systems are paving their ways to solve the existing theoretical energy and power challenges, alternative cell chemistries are highly desirable. Lithium-Ion Capacitors (LIC) and Hybrid Lithium-Ion...
The distributed renewable energy generation and utilization are constantly growing, and are expected to be integrated with the conventional grid. The growing pressure for innovative solutions will demand power electronics to take an even...
Recently, along with the development of renewable energy technology and threat of energy shortage, hybrid electric vehicles (HEV) and DC microgrid system are increasingly attracting attentions in industry and academia. By combining...
Lithium-sulfur (Li-S) batteries with a theoretical specific energy density up to 2600 Wh/kg is regarded as one of the most promising energy chemical power systems. However, the development of Li-S batteries still faces numerous technical...
As a natural scarcity in wireless networks, radio spectrum becomes a major investment in network deployment. How to improve the channel utilization (CU) of the spectrum is a challenging topic in recent research. In a network environment, ...
Over the past few decades, the smart grid technology has been developed rapidly due to its main features of more involvement of customers and abilities to accommodate all renewable energy and distributed storages. More importantly, it...
High temperature superconducting power cables have the advantage of high current density and low losses over conventional cables. One of the factors that affect the stability and reliability of a superconducting cable is the distribution...
Energy storage technologies are being used excessively in industrial applications and in automobiles. Battery state of charge (SOC) is an important metric to be monitored in these applications to ensure proper and safe functionality....
Computer vision is a field of deep learning that aims to help a computer interpret and visualize the real world. With computer vision evolving as an indispensable development in the field of machine learning, it is being increasingly...
The backbone of simulation is nothing but mathematical equations from simple linearization method to solving complex differential equations. Although simulating a real system with realistic outcomes is a hard task to come by but...
This dissertation is made of two parts. Part I, chapter 1 to chapter 7, is 2-D square rod-in-air photonic crystal optical switch; Part II, chapter 8 to chapter 12, is design of fast laser shutter. Photonic crystal is a kind of materials...
ABSTRACT A new type of hybrid hydrophobic/hydrophilic membrane is proposed in this thesis to improve the electrochemical performance of Lithium-Air battery operated with dual electrolytes. The dual electrolytes include an organic and...
Significant advances have been made in the processing and scale-up of YBa2Cu3O7-δ (YBCO) coated conductor (CC) and sufficient lengths up to 1 km for YBCO coils are now available. This progress is very promising for a wide range of...
This dissertation is mainly focused on the investigation of cathode in Li-air batteries using organic electrolyte and the development of high-rate rechargeable Li-air flow batteries. A Li-air battery using organic electrolyte with an air...
Ag-sheathed multifilamentary Bi2Sr2CaCu2Ox round wire is one of the leading hightemperature superconductors that can generate a magnetic field exceeding the maximum of ~23 T available in present Nb-based low-temperature superconducting...
The energy density of conventional electric double-layer capacitors is about 6-7 Wh/kg and due to the limited specific capacitance and cell voltage, and a large amount of electrolyte which is required to build a layer of charge of the...
In this thesis, a mixture of acetonitrile (AN) and γ-butyrolactone (γBL) are used as the solvent in combination with LiClO4 or LiBF4 as the salt of the electrolyte studied for Li-ion capacitors. The electrolyte with various ratios of AN...
The discovery of carbon nanotubes brought on a whole new world of nanotechnology. Various forms of carbon materials were developed, including single-walled carbon nanotube (SWNT), multi-walled carbon nanotube (MWNT), and carbon nanofiber...
The main challenge in the solar cell industry is making the solar cells more cost effective. Mono and poly-crystalline Si, CdTe, CIGS, Quantum dot, Organic and Dye-sensitized solar cell technologies do not produce high efficiencies. A...
Metal halide perovskites have received significant attention in the past decade as a promising class of material for energy harvesting, light emission and detection as well as various other solid-state devices. The easy solution...
The prospect of SG is green, power efficient, and economical to its customers. Many emerging innovations have reached a consensus that the traditional power grids need to be combined with modern data networks, in order to establish a new...
The market for solar energy has been expanding rapidly worldwide. However, due to the weather conditions, photovoltaic (PV) systems generally have considerable power variations, which include voltage fluctuations and frequency variations...
Irradiation alters the local stoichiometry of oxides significantly. The resulting stoichiometric changes play a critical role in the dynamics of defects and microstructure evolution in oxides under irradiation. Stoichiometry in oxides is...
Thesis starts with the introduction and literature review of energy storage and conversion devices, which lay the background for motivation and purpose of this research. The fundamental background behind this work was laid by Zheng et al...
A wireless sensor network (WSN) consists of a large number of low-cost sensors that can communicate to each other for specific applications. Sensor nodes are spatially distributed in a large region and operated in an autonomous manner....
Lithium-ion Capacitor’s (LICs) performance is greatly influenced by the operating temperature. Many cell design factors such as electrolyte formulation and electrode material composition can determine such performance. The standards for...
Conventional lithium ion batteries (LIBs) have dominated the portable electronic devices market for more than thirty years. However, as the energy density of LIBs is approaching their theoretical limits, an alternative battery chemistry...
The Switched Reluctance Machine (SRM) is known for being one of the oldest electric machine designs. Unfortunately, it is usually assumed that this implies that the machine is outdated. However with the advent of microprocessors, the SRM...
Carbon nanotubes (CNTs) possess exceptional electrical properties. Networks of densely packed nanotubes that are formed by intercontacted or interconnected nanotubes and bundles were observed to form electrically conducting pathways over...
The Battery State of Charge (SOC) is the parameter representing the fraction of a battery's remaining available energy to its fully charged state. The Battery SOC is one of the most important parameters of an electric vehicle's (EV)...
In this body of work, various energy storage devices have been modeled using phenomenological equivalent circuit modeling and impedance spectroscopy. Through this impedance-based modeling various electrochemical energy storage devices...
A 4x2 microstrip square patch antenna array, designed to operate in the 5.3 GHz range, was characterized and simulated using finite-element method (FEM) based models in COMSOL Multiphysics as a reconfigurable aperture (RECAP) antenna by...
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