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Co-Design Of Dynamic Real-Time Scheduling And Cooperative Control For Human-Agent Collaboration Systems Based On Mutual Trust, Xiaotian Wang
Co-Design Of Dynamic Real-Time Scheduling And Cooperative Control For Human-Agent Collaboration Systems Based On Mutual Trust, Xiaotian Wang
All Theses
Mutual trust is a key factor in human-human collaboration. Inspired by this social interaction, we analyze human-agent mutual trust in the collaboration of one human and (semi)autonomous multi-agent systems. In the thesis, we derive time-series human-agent mutual trust models based on results from human factors engineering. To avoid both over- trust and under-trust, we set up dynamic timing models for the multi-agent scheduling problem and develop necessary and sufficient conditions to test the schedulability of the human multi-agent collaborative task. Furthermore, we extend the collaboration between one human and multiple agents into the collaboration between multi-human network and swarm-based agents …
Influence Of Exurban Neighborhoods On Riparian Vegetation And Stream Salamanders In The Southern Appalachian Mountains, Nathaniel Weaver
Influence Of Exurban Neighborhoods On Riparian Vegetation And Stream Salamanders In The Southern Appalachian Mountains, Nathaniel Weaver
All Theses
The southern Appalachian Mountains have experienced large population growth and a change in land use in the past 30 years. The majority of development has been low density, suburban land, known as exurban development. Lotic Systems and riparian areas are severely degraded by conversion from urban to rural land uses. The long-term effects of exurbanization on riparian vegetative communities and stream salamanders in the southern Appalachian Mountains are not well known. We sought to determine if vegetative community composition and structure change with time since neighborhood development or with the amount of impervious surface within the watershed. In order to …
Analytics In The Atp, Christopher Pillitere
Analytics In The Atp, Christopher Pillitere
All Theses
This paper applies data analysis used in the major team sports to the Association of Tennis Professional (ATP). A linear regression model is used to determine the aspects of the professional tennis most relevant to player success. Special focus is given to the effect of a player’s overreliance on his serving performance. The available data (1991-2014) is divided into two periods in an effort to observe any differences between the era dominated by Pete Sampras and the era dominated by Roger Federer. The results from the former period indicate the same effect on player success of first and second serving …
The Performance Of Quaternary Amplitude Modulation With Quaternary Spreading In The Presence Of Interfering Signals, Allison Manhard
The Performance Of Quaternary Amplitude Modulation With Quaternary Spreading In The Presence Of Interfering Signals, Allison Manhard
All Theses
Multiple-access digital communications is considered with direct-sequence spread-spectrum (DS-SS) quadrature amplitude modulation and quaternary spreading in each transmission. Each transmitted signal undergoes attenuation and a delay at a receiver in the additive white Gaussian noise channel. The receiver uses coherent demodulation with a correlation detector synchronized to the one of the K received signals so that the K - 1 other transmissions act as interference. The average probability of error at the output of the detector is determined using Monte Carlo simulation and compared with an approximation in which the interference component in each detection statistic is approximated by a …
The Mediating Effects Of Positive Psychological States On The Relationships Between Hindrance Stressors And Organizational Citizenship Behaviors: A Multi-Level Approach, Kandice Goguen
All Theses
Organizational citizenship behaviors (OCBs) are informal and voluntary behaviors that positively contribute to organizational functioning (Organ 1997; Katz & Kahn, 1978). To better understand and encourage such behaviors, the present study investigated the influence of hindrance stressors and positive psychological states in the workplace. Responses from a sample of university employees were analyzed to examine the individual and unit-level effects of role ambiguity, organizational constraints, and lack of job control on individual-level supervisor-rated OCBs through individual and unit-level positive psychological states. Results showed that each hindrance stressor negatively influenced OCB participation directly and through decreased positive psychological states at the …
Decellularized Bovine Nucleus Pulposus As A Biomimetic Scaffold For Intervertebral Disc Regeneration, Christopher Fernandez
Decellularized Bovine Nucleus Pulposus As A Biomimetic Scaffold For Intervertebral Disc Regeneration, Christopher Fernandez
All Theses
Low back pain (LBP) is a significant burden with a lifetime prevalence of 84% and estimated expenditures of $85.9 billion.[1,2] Although LBP is multifactorial; it has been shown that LBP can originate from degenerating intervertebral discs (IVDs); a process which initiates in the nucleus pulposus (NP); a hydrated tissue primarily composed of type 2 collagen and proteoglycan. Current therapies for IVD degeneration (IDD) are palliative and merely delay surgical management. While these procedures may relieve pain temporarily, they fail to address the underlying cause of degeneration and make no attempt to regenerate the effected tissue. Additional concerns with the use …
Control Of Thermoforming Process Parameters To Manufacture Surfaces With Pin-Based Tooling, Vijay Sarthy Mysore Sreedhara
Control Of Thermoforming Process Parameters To Manufacture Surfaces With Pin-Based Tooling, Vijay Sarthy Mysore Sreedhara
All Theses
Many manufacturing processes used to mass produce parts rely on expensive and time consuming tooling. These processes include sheet metal forming, injection molding, casting, and thermoforming. The time invested in design and development of tooling can be justified for high-production volumes. However, for low-volume production and customized products, the tooling investment cannot be amortized. Flexible tooling has been developed to address the needs of smaller production volumes. Reconfigurable pin tooling is an example of flexible tooling that relies on a matrix of adjustable-height pins to produce approximate surfaces. A key challenge in pin-based tooling is achieving accurate high quality surfaces …
Electrical Characterization Of Gold And Platinum Thin Film Electrodes With Polyaniline Modified Surfaces, John Aggas
Electrical Characterization Of Gold And Platinum Thin Film Electrodes With Polyaniline Modified Surfaces, John Aggas
All Theses
Recent studies into soft organic electronics have burgeoned as a result of discoveries of conducting polymers such as polyaniline, polythiophene, and polypyrrole. However, in order to make these conducting polymers suitable for in vivo soft organic electronics, they must be developed so that they can be biocompatible and provide accurate sensing. Chitosan, a naturally occurring polymer structure found in exoskeletons of crustaceans, has been studied for its biocompatible properties. Composites of polyaniline (PAn), an intrinsically conductive polymer (ICP) and chitosan (Chi), a biopolymer, were developed and applied to gold and platinum Thin Film Electrode (TFE) devices. Electropolymerization and drop cast …
Feasibility Study Of Porous Media Compressed Air Energy Storage In South Carolina, United States Of America, Alexandra-Selene Jarvis
Feasibility Study Of Porous Media Compressed Air Energy Storage In South Carolina, United States Of America, Alexandra-Selene Jarvis
All Theses
Renewable Energy Systems (RES) such as solar and wind, are expected to play a progressively significant role in electricity production as the world begins to move away from an almost total reliance on nonrenewable sources of power. In the US there is increasing investment in RES as the Department of Energy (DOE) expands its wind power network to encompass the use of offshore wind resources in places such as the South Carolina (SC) Atlantic Coastal Plain. Because of their unstable nature, RES cannot be used as reliable grid-scale power sources unless power is somehow stored during excess production and recovered …
Management And Impacts Of Wild Hogs (Sus Scrofa) In South Carolina, Susan Sullivan
Management And Impacts Of Wild Hogs (Sus Scrofa) In South Carolina, Susan Sullivan
All Theses
Wild hogs (Sus scrofa) are an invasive species that can damage native ecosystems, negatively impact native wildlife, and potentially act as disease reservoirs in the U.S. To better understand how natural resource professionals in South Carolina approach wild hog management, I conducted a web-based survey of natural resource professionals focused on aspects of wild hog impacts and management. Generally, there was agreement among natural resource professionals regarding the approaches used to control wild hog populations and their subsequent effectiveness. The majority of respondents indicated high priority impacts needing to be addressed in wild hog management were agricultural damage …
Multiplier Operator On Framed Hilbert Spaces, Haodong Li
Multiplier Operator On Framed Hilbert Spaces, Haodong Li
All Theses
Very often the operators that we study appear most naturally in highly non-diagonal representation. The main goal of spectral theory is to solve this problem by exhibiting for many operators a natural orthonormal basis with respect to which the operators have diagonal representations. However, this can be done only for certain classes of operators. The most important such class is probably the class of compact operators. The problem is that it is often hard to tell whether an operator is compact looking at its non-diagonal representation. In this thesis, we will study a class of operators for which we can …
An Examination Of Microbial Community Composition At Tba-Degrading Versus Non-Degrading Sites, Courtney Thompson
An Examination Of Microbial Community Composition At Tba-Degrading Versus Non-Degrading Sites, Courtney Thompson
All Theses
Understanding how fuel oxygenates interact with microorganisms in the subsurface is important for the remediation of contaminated sites and designing and optimizing remedial strategies. The current understanding of methyl tertiary butyl ether (MTBE) and tertiary butyl alcohol (TBA) degradation in the environment has been developed primarily through gas chromatography GC analysis and culture-based laboratory studies. Microbial communities can be very diverse, and while microcosm studies provide valuable data, few metagenomic studies have been performed. To elucidate the significant microorganisms and pathways involved in the breakdown of MTBE and TBA, the compositions of entire indigenous microbial populations must be investigated and …
Structural Optimization Using Parametric Programming Method, Krupakaran Ravichandraan
Structural Optimization Using Parametric Programming Method, Krupakaran Ravichandraan
All Theses
The Parametric Programming method is investigated to consider its applicability to structural optimization problems. It is used to solve optimization problems that have design variables as implicit functions of some independent input parameter(s). It provides optimal solutions as a parametric function of the input parameter(s) for the entire parameter space of interest. It does not require the detailed discrete optimizations needed at a large number of parameter values as in traditional non-parametric optimization. Parametric programming is widely used in optimal controls, model predictive control, scheduling, process synthesis and material design under uncertainty due to the above mentioned benefits. Its benefits …
An Analysis Of Major League Soccer: Competitive Balance And Wage Dispersion, William Hobbs Iii
An Analysis Of Major League Soccer: Competitive Balance And Wage Dispersion, William Hobbs Iii
All Theses
Major League Soccer is in a transitional state which may see it projected into the realm of international relevancy, competing with European soccer. This transition is fueled by contracting renowned superstars from Europe via the designated player (DP) rule. This study examines implications of the DP rule on competitive balance (CB) of the league and wage dispersion among teams. The effect of the rule on CB is inconclusive in the model constructed, but propositions of a more appropriate CB measure are presented for future research. The DP rule has caused higher levels of salary dispersion within the league and this …
Improving The Implementation Of Pavement Preservation Strategies In South Carolina, Franklin Reed
Improving The Implementation Of Pavement Preservation Strategies In South Carolina, Franklin Reed
All Theses
With compounding budget constraints on infrastructure, cost effective solutions to maintain roadways are becoming increasingly important. Pavement preservation provides a cost effective option to keep the roadway network at an acceptable level. However, pavement preservation is a relatively new concept that many states have not fully implemented successfully. This research supports efforts to improve the pavement preservation practices in the state of South Carolina. It analyzes the current pavement preservation practices in South Carolina as well as other states to identify where improvements could be made. The research also outlines a treatment tracking program for the state of South Carolina …
The Factors Determining The Quantity Of Taxies - An Empirical Analysis Of Cities In China, Yunzi Zhu
The Factors Determining The Quantity Of Taxies - An Empirical Analysis Of Cities In China, Yunzi Zhu
All Theses
The inefficient allocation of transport capacity in the taxi industry leads to the imbalance between the demand and supply of taxies. This paper tries to investigate the influencing factors on the quantity of taxies from the perspective of the demand. It is based on the empirical analysis and assumes that the quantity of buses (Bus), average wage per citizens (AW), population density (PD), road density (RD), the availability of subways (SW) and the e-hailing application (EH) co-determine the quantity of taxies. Under the assumption, I collected the data in 287 cities from 2010 to 2013 and put them into the …
The Design, Implementation, And Incorporation Of "Hack And Slash" Animation Into The Unreal Development Kit, Christopher Thomas
The Design, Implementation, And Incorporation Of "Hack And Slash" Animation Into The Unreal Development Kit, Christopher Thomas
All Theses
In this thesis, we investigate the incorporation of 'hack and slash' game play animations into a first person shooter game engine, the UDK 4. We create the animations using the Maya modeling tool and we describe our approach to incorporating these animations into UDK 4 and create an appropriate control scheme to play these animations in a 'hack and slash' game environment.
Uptake Of Plutonium On A Novel Thin Film For Use In Spectrometry, William Locklair
Uptake Of Plutonium On A Novel Thin Film For Use In Spectrometry, William Locklair
All Theses
Trace elemental and isotopic analysis of actinides via Thermal Ionization Mass Spectrometry (TIMS) is often difficult and time consuming due to intensive sample preparation. Polymer thin films show strong potential for rapid concentration of radionuclides from solution that may prove as suitable substrates for TIMS analyses. In this work, a polymer thin film (~180 nm) was coated onto a silicon substrate and utilized for rapid radioanalytical analysis. The polymer is composed of poly(vinyl benzyl chloride) functionalized with triethyl amine (TEA) to produce an anion-exchange site for concentrating anionic actinide complexes (i.e. PuCl62-, Pu(NO3)62-) from solution. In addition, selectively functionalizing “spots†…
The Ink Transfer And Image Definition Differences Between Elastomer And Photopolymer Printing Systems, Jason Palmer
The Ink Transfer And Image Definition Differences Between Elastomer And Photopolymer Printing Systems, Jason Palmer
All Theses
With recent advancements in elastomer imaging and plate technologies, a study comparing the ink transfer and image definition characteristics of the current flexographic printing systems was conducted. Using a number of print metrics across a variety of testing conditions, overall results suggested that the elastomer printing system laid down more ink and produced shaper printing than the photopolymer printing system. In particular, the elastomer printing system showed greater solid ink densities for the solvent and aqueous ink printing conditions, while the photopolymer printing system showed higher values in the ultraviolet ink printing conditions. Results across conditions also revealed that the …
Phasor Measurement Unit Deployment Approach For Maximum Observability Considering Vulnerability Analysis, Jyoti Paudel
Phasor Measurement Unit Deployment Approach For Maximum Observability Considering Vulnerability Analysis, Jyoti Paudel
All Theses
In recent years, there has been growing interest of synchrophasor measurements like Phasor Measurement Units (PMUs) Power systems are now being gradually populated by PMU since they provide significant phasor information for the protection and control of power systems during normal and abnormal situations. There are several applications of PMUs, out of which state estimation is a widely used. To improve the robustness of state estimation, different approaches for placement of PMUs have been studied. This thesis introduces an approach for deployment the PMUs considering its vulnerability. Two different analysis have been considered to solve the problem of locating PMUs …
Development And Testing Of Supplemental Materials For An Undergraduate Healthy Food Product Development Curriculum, Breanne Halteman
Development And Testing Of Supplemental Materials For An Undergraduate Healthy Food Product Development Curriculum, Breanne Halteman
All Theses
ABSTRACT The goal of this research project was three-fold: (1) to follow up with students who had taken the Applied Interdisciplinary Product Development (AIPD) course two years prior to assess the long-term effect of the course on perceived self-confidence in product development skills, connectedness with the department, and preparedness to enter the industry; (2) to design, implement, and evaluate course materials educating undergraduate students about the subjects of herbs, spices, and sensory science; and (3) to evaluate the success of dissemination of a sophomore-level hybrid course on healthy food product development. A Subject Knowledge Assessment (SKA) was designed to measure …
Capillary-Channeled Polymer Fibers As Stationary Phases For Protein Chromatography, Marissa Pierson
Capillary-Channeled Polymer Fibers As Stationary Phases For Protein Chromatography, Marissa Pierson
All Theses
Capillary-channeled polymer (C-CP) fibers have been studied in this laboratory as stationary phases for protein separations in high-performance liquid chromatography (HPLC). C-CP fibers are uniquely shaped so as to include eight continuous capillary-channels which interdigitate once packed into a column. The packed column resembles a monolithic structure of unobstructed flow through capillary channels which reduces backpressure and increases linear velocity, reducing separation time. Fibers are effectively nonporous with respect to macromolecules, resulting in fast mass transfer and high sample recovery. C-CP fibers made from polypropylene (PP) yield a fairly homogenous hydrophobic surface suitable for reversed phase (RP) chromatography. In a …
Detection And Recovery From Camera Bump During Automated Inspection Of Automobiles On An Assembly Line, Shawn Mathew
Detection And Recovery From Camera Bump During Automated Inspection Of Automobiles On An Assembly Line, Shawn Mathew
All Theses
This thesis details the steps taken to detect and compensate for camera bumps while per- forming part identification using VI at the BMW manufacturing plant and on the simulation testbed. For the system presented here to work, the user is required to record a video from the camera before the camera is bumped and one after the camera has been bumped. The premise behind the method suggested here is that the transformation between the background in the pre- and post-bump video will be equal to the transformation in the foreground. A Background extraction program is used to generate a background …
They Used To Make Bricks Here: Brick Manufacturing At The Grove Plantation And The Rise Of The Cooper River Gray Brick, Frances Pinto
They Used To Make Bricks Here: Brick Manufacturing At The Grove Plantation And The Rise Of The Cooper River Gray Brick, Frances Pinto
All Theses
Surviving brick clamps at Grove Creek Plantation provide exceptional information about the brick industry that flourished in the antebellum era along the Cooper River. Both the topography and natural resources necessary for brick making supported the industrial production of brick along the Cooper River and its tributaries from the colonial period into the post-bellum era. At the Grove Plantation, the arrangement of clay and sand pits, work yards, wells, and clamps are still intact provide a unique opportunity to explore the brick production process as it evolved to met growing demand for building materials from nearby Charleston. Most brick clamps …
Artificial Kingdoms, Lindsey Elsey
Artificial Kingdoms, Lindsey Elsey
All Theses
Fairy or folk tales and fantasy appear to be innocuous means of entertainment in contemporary society. Often relegated as pap for children, this view belies the gruesome origins, cultural significance, and means of personal expression and identity that is afforded to the author and reader/audience through the construction of fantasies. Through the creation of environments and experiences that center on porcelain vessels and sculpture, I explore the expression of uncomfortable desires and situations in the guise of fantasy. In some instances folk and fairy tales act as a means of escapism; an expression of desire for the fleeting and the …
A Training Assistant Tool For The Automated Visual Inspection System, Mohan Karthik Ramaraj
A Training Assistant Tool For The Automated Visual Inspection System, Mohan Karthik Ramaraj
All Theses
This thesis considers the problem of assisting a human user setting up an automated Visual Inspection (VI) system. The VI system uses a stationary camera on an automobile assembly line to inspect cars as they pass by. The inspection process is intended to identify when parts have been missed or incorrect parts have been assembled. The result is reported to a human working on the assembly line who then can take corrective actions. As originally developed, the system requires a setup phase in which the human user places the camera and records a video of at least 30 minutes length …
The Impact Of China's "West To East" Electricity Transmission Project On Energy Poverty, Xiaotian Chen
The Impact Of China's "West To East" Electricity Transmission Project On Energy Poverty, Xiaotian Chen
All Theses
Energy poverty, which means that people can't get enough energy for daily life, is one of the big problems in rural place of Northwest region of China. The government wants to solve the problem with a large-scale electricity transmission project named "West to East". The aim of this thesis is to evaluate the impact of "West to East" project on the reduction of energy poverty in Shaanxi province in China through the analysis of 119 counties between the years 2003 to 2015. Since residential electricity price are set by the government at artificially low levels, an alternative measure is constructed …
Painting With Turbulence, Chuqiao Wang
Painting With Turbulence, Chuqiao Wang
All Theses
Inspired by a study that identified a strong similarity between Vincent van Gogh's and Jackson Pollock's painting techniques, this thesis explores the interplay between science and art, specifically the unpredictable behaviors in turbulent flows and aesthetic concepts in painting. It utilizes data from a GPU-based air flow simulation, and presents a framework for artists to visualize the chaotic property changes in turbulent flows and create paintings with turbulence data. While the creation of individual brushstrokes is procedural and driven by simulation, artists are able to exercise their aesthetic judgments at various stages during a painting creation. A short animation demonstrates …
Analysis And Synthesis Of Effective Human-Robot Interaction At Varying Levels In Control Hierarchy, David Spencer
Analysis And Synthesis Of Effective Human-Robot Interaction At Varying Levels In Control Hierarchy, David Spencer
All Theses
Robot controller design is usually hierarchical with both high-level task and motion planning and low-level control law design. In the presented works, we investigate methods for low-level and high-level control designs to guarantee joint performance of human-robot interaction (HRI). In the first work, a low-level method using the switched linear quadratic regulator (SLQR), an optimal control policy based on a quadratic cost function, is used. By incorporating measures of robot performance and human workload, it can be determined when to utilize the human operator in a method that improves overall task performance while reducing operator workload. This method is demonstrated …
The Effect Of Graphite Nanoplatelets On The Barrier And Mechanical Properties Of Lldpe Films, Wilson Sansbury
The Effect Of Graphite Nanoplatelets On The Barrier And Mechanical Properties Of Lldpe Films, Wilson Sansbury
All Theses
Polymer nanocomposites for packaging applications have gained significant research interest over the previous decade. More recently, graphite nanoplatelets (GNP) have attracted interest as potential multipurpose fillers in polymer matrices because of their superb mechanical, thermal, and gas barrier properties that could potentially be transferred to a polymer composite at relatively low loadings. The purpose of this research was to determine the effect that GNP had on the mechanical and barrier properties of 3.5 ± 0.4 mil Dow® Eliteâ„¢ 5230G Enhanced Polyethylene (EPE) films that were produced by letting down a 20% GNP filled Dow® Eliteâ„¢ 5230G masterbatch into a base …