Digital Commons Network^™

Multi-Channel Anc System For Icu Patient Beds, Congzhi Bi

Graduate Research Theses & Dissertations

In an intensive care unit (ICU), there are many kinds of noises. For example, patients suffer from the noise which is made by doctors’ or nurses’ activities and devices of ICU can cause some problem too, like stress and losing ability of hearing. In this thesis, we propose to use active noise control (ANC) systems to reduce the high noise level for intensive care unit (ICU) residents.

At first, conventional multiple channel ANC system has been proposed to reduced noise. And then a new method has been proposed which is Auxiliary Filter Based Virtual Sensing (AF-VS) to compensate defect of …

Lane Detection Of Autonomous Vehicles Using Clustering And Augmented Sliding Windows Techniques, Keerti Chand Bhupathi

Graduate Research Theses & Dissertations

In this thesis, detection of solid lines and dashed lines of lanes using augmented sliding window technique, clustering technique and combination of both augmented sliding window and clustering is discussed. The lane points are extracted using image processing techniques. The performance of lane detection using these techniques is analyzed. Lanes are simulated in a laboratory for the input data set. The input data set consists of curved lines of dashed and solid lines which split and merge. Further, partially obscured lanes are also tested with the algorithm. The center of the lanes from vehicle to horizon is found based on …

The Fog Of Blackacre: Exploring Depression, Anxiety, And Stress Of The American Law Student, Amanda Carey

Graduate Research Theses & Dissertations

This dissertation examines the relationship between depression, anxiety, and stress among first-year law students and the U.S. News and World Report rankings. Surveys using the DASS–21, DREEM questionnaire, Satisfaction with Life scale and qualitative questions were administered to first-year law students at 44 randomly selected law schools across the United States. In the largest modern mental health study to date, responses totaled 5% of the first-year law student population. Results showed no significant relationship between depression, anxiety, and stress of first-year law students and the U.S. News and World Report rankings. Substantial depression, anxiety, and stress of first-year law students …

The Efficacy Of Educational Robotics In An Integrated Stem Elementary Curriculum, Colleen Marie Cannon-Ruffo

Graduate Research Theses & Dissertations

While there has never been a greater demand for STEM education, the U.S. is still struggling to define and implement this type of instruction. Identifying innovative and effective ways of improving STEM education in the K-12 environment is vital to the U.S. to remain economically viable on a global level. The multidisciplinary aspect of educational robotics facilitates an integrated approach to STEM learning which espouses the educational theories of Constructionism and Computational Thinking. The purpose of this study was to compare the cognitive and affective out-comes of participation in an integrated STEM curriculum based on educational robotics. The integrated STEM …

A Search For Resonant And Non-Resonant Di-Higgs Production In The Γγbb Channel Using The Atlas Detector, Tyler James Burch

Graduate Research Theses & Dissertations

This dissertation presents a search for resonant and non-resonant di-Higgs production in the γγb ̄b final state using data from the ATLAS detector at the Large Hadron Collider (LHC). The search is performed on 36.1 fb−1 of data from proton-proton collisions at a center-of-mass energy of √s= 13 TeV collected in 2015 and 2016.

No significant excesses are observed in this search. The non-resonant analysis sets limits on the HH→γγb ̄b cross-section times branching ratio, with an upper observed (expected) limit of 0.73 (0.93) pb. The observed (expected) limits on the Higgs boson trilinear coupling at 95% Confidence Level (CL) …

Real-Time Traffic Sign Detection And Classification Based On A Video Feed, Victor Ciuntu

Graduate Research Theses & Dissertations

Autonomous vehicle development is currently progressing at a very fast pace and traffic sign detection and classification has an important role in it. This thesis looks at the history of autonomous vehicles as well as different implementations for traffic sign detection and classification. Multiple possible approaches are analyzed with the final goal of doing this task in real-time using a portable system.

To accomplish this task, the final solution uses a convolutional neural network for detection and classification combined with a custom optical character recognition algorithm for speed limit signs. The optical character recognition algorithm is built from the ground …

An Automated Method For Detecting Water Levels Using Computer Vision And Artificial Intelligence, Priyanjani Chowdary Chandra

Graduate Research Theses & Dissertations

Flooding is one of the most dangerous weather events today. Between 2015-2019, on average, it has caused more than 130 deaths every year in the USA alone. World Health Organization has reported that, between 1998-2017, floods have affected more than 2 billion people worldwide. The devastating nature of flood necessitates the continuous monitoring of water level in the rivers and streams in flood-prone areas to detect the incoming flood. In this thesis, we have designed and implemented a computer vision and AI-based system that continuously detect the water level in the creek. Our solution employs an effective template matching algorithm …

Trans*Forming Educational Spaces: The Experiences Of Trans* And Gender Non-Conforming Students In The Community College Environment, Lori Clark

Graduate Research Theses & Dissertations

This purpose of this study was to collect the stories of trans* and gender non-conforming students who attend community colleges. Very little research has been done on this community attending community colleges, so it is not known if the community college environment is supportive of this marginalized student group. The participants in the study shared their experiences with various aspects of the community college environment, from professors, classmates, student affairs, bathrooms, registration and records, to their gay straight alliances. Ultimately, it was found that the students interviewed faced a cadre of microaggressions throughout the areas of their community colleges. However, …

The Influence Of Student Discipline Practices On Students, School Climate And Culture, Matthew J. Clark

Graduate Research Theses & Dissertations

The enactment of Senate Bill 100/Public Act 099-0456 (SB100) in 2016 compelled school districts throughout Illinois to evaluate student discipline policies. This dissertation examines the impact SB100 had on middle and high schools throughout the state and within a large suburban K-12 school district. This dissertation is organized into three separate papers. Paper 1 provides a historical context for disciplinary practices used for students in public schools both in Illinois and throughout the country and explores new discipline practices that have emerged since the passing of SB100. Paper 2 examines the implementation of SB100 through an SDT framework to investigate …

Investigating Achievement And Mental Health Through The Dual-Factor Model, Kelly Clark

Graduate Research Theses & Dissertations

School professionals are charged not only with advancing students’ content knowledge, but also with developing their social and emotional skills; however, adolescence is a period in which many individuals experience declines in academic performance and mental health. The current study investigated associations between grit, academic grit, and growth mindset with academic achievement, subjective well-being, and psychopathology. Second, this study examined the demographic makeup of mental health groups posited by the dual-factor model of mental health, as well as group-level differences in grit, academic grit, growth mindset, and academic achievement across mental health groups identified through latent profile analysis. Adolescents (N …

The Transnational Construction Of National Music (Kugak): Musicking In The Korean Diaspora, 1903-1945, Heeyoung Choi

Graduate Research Theses & Dissertations

This dissertation examines the preservation and adaptation of Korean-ness through musical performances in the Korean peninsula and in Hawai‘i during the early twentieth century, when Korea was a Japanese colony. Hawai‘i deserves special attention because the first and largest Korean diasporic communities in America were established in Hawai‘i during this period. More importantly, cultural environments in early twentieth-century Hawai‘i and Korea were similar in that both featured diverse music cultures of different ethnic origins and new cultural infrastructures under the influence of imperialism. This study investigates the reactions of existing Korean performing arts to the influx of foreign culture affecting …

Environmental Discriminators For Significant Tornadoes And Hail In The U.S. Using Proximity Soundings, Cody Michael Converse

Graduate Research Theses & Dissertations

Over the last 50 years, the United States has experienced an increase in severe storm events that produced $1 billion in damages or greater. Much of this loss is attributed to significant tornadoes and hail associated with deep, moist convection. Improving forecasts for these significant events assist in mitigating the impacts of these events. Previous work has identified statistically significant environmental parameters associated with severe thunderstorms, but more research is needed in identifying statistically significant ingredients associated with environments that produce significant tornadoes and hail.

This thesis aims to answer the following question: “Can diagnostics commonly used to forecast for …

On The Verge Of Violence: How Bar Staff Manage Trouble Customers, Anthony Paul Cusumano

Graduate Research Theses & Dissertations

How do bouncers and bartenders utilize interpersonal management scripts to handle routinely encountered trouble customers? My study addresses this question and shows how bar staff remedy trouble behaviors without use of force, as well as demonstrates that bartenders play just as pivotal a role in managing those behaviors as bouncers. The data from in-depth interviewing was analyzed through a framework of trouble sociology and the dramaturgical perspective. Interviews were digitally recorded, transcribed, and coded into thematic categories based on frameworks and emergent themes. From the data, bar staff identified three major types of trouble customers (entitled, inebriated, creepy) and described …

Harsh Parenting And Familism: Examining The Influence Of Cultural Schemata On Parental Reactions To Child Transgressions, America Lizbeth Davila

Graduate Research Theses & Dissertations

Milner’s (1993, 2000) Social Information Processing (SIP) model of child physical abuse proposes that pre-existing schemata (e.g., belief structures, scripts) influence how parents process information during parent-child interactions, which in turn influences parental responses (e.g., corporal punishment). The purpose of the present study was to examine attitudinal familism (beliefs about unity and commitment/duty towards family) as a pre-existing schema that influences parents’ interpretations, attributions, affective, and behavioral responses to child transgressions. Parents (N = 106) were asked to read vignettes describing child transgressions and report their anticipated cognitive, affective, and behavioral responses. In addition, parents reported on their perceived social …

Writing And Well-Being: Comparing Varied Expressive Writing Tasks On Posttraumatic Stress Symptoms And Life Satisfaction, Zena Dadouch

Graduate Research Theses & Dissertations

Frontline treatments for posttraumatic stress disorder (PTSD) have been extensively researched, and there is significant support for their efficacy in decreasing PTSD symptomatology and improving life quality. However, the treatments seem to be burdensome, as a significant minority does not improve or drops out before the continuation of treatment. This pattern could be explained partially by the time commitment, cost of and access to treatment, and the resulting emotional overload. Therefore, it is useful to explore other avenues that could lead to improvements in symptomatology and well-being and that are more accessible and manageable. One possible direction is expressive writing …

The Synthesis Of Pb2sr2sm1-Xcaxcu3o8 And Characterization Of Its Structural And Superconducting Properties., Deblina Das

Graduate Research Theses & Dissertations

Superconducting lead-based cuprate materials of the 2213 structural type, Pb2Sr2MCu3O8 (M=Sm1-xCax, Y1-xCax, Er1-xCax and Yb1-xCax), were synthesized and characterized using x-ray powder diffraction and the Rietveld structural refinements method. Pb2Sr2Sm1-xCaxCu3O8 single crystals were grown by an optimized flux method using various combinations of PbO/PbF2 solvents. Samples with different Sm/Ca ratios were investigated for their superconducting properties. Magnetic measurements reveal the presence of a transition at 120K. Preliminary x-ray diffuse scattering experiment at the Advanced Photon Source of Argonne National Laboratory demonstrates the high quality of one of our crystals and the presence of rod-like diffuse scattering connecting the Bragg peaks …

The Roles Of Rumination And Social Support In Victimization And Depression, Nicole Dorio

Graduate Research Theses & Dissertations

Unfortunately, bullying is a common phenomenon many adolescent students experience during middle school (National Center for Education Statistics, 2015). Given the negative outcomes often associated with experiencing victimization, it is important to understand the underlying mechanisms involved in these associations as well as potential protective factors (Nakamoto & Schwartz, 2010). Using 89 students in grades 5 through 8, the current study focused on the negative outcome of depression and it explored rumination as a mediator in this association. Additionally, the roles of gender and social support (from parents, teachers, and close friends) were explored within this mediation model as moderators. …

Experiences Of Southeast Asians At A Community College In The Midwest, Emmanuel Canlas Esperanza Jr.

Graduate Research Theses & Dissertations

This dissertation explored what contributed to Southeast Asian students’ persistence in an urban community college in the Midwest. A qualitative case study was used to reveal how Southeast Asian students perceived personal and educational experiences and how those experiences created an impact on their persistence. This project addressed the lack of research on Southeast Asians and their challenges attaining academic success in higher education. This study is critical, as there is a lack of research on Southeast Asian students’ experiences within higher education institutions, particularly within community college settings. The majority of research has focused on Asian American or international …

A Comparison Of Bdsm Sadism And Everyday Sadism In Multiple Adult Populations, Jennifer Erickson

Graduate Research Theses & Dissertations

Research has begun to investigate subclinical levels of sadism including “everyday sadism:” an enjoyment of cruelty in normal, everyday situations. Thus far, subclinical sadism has been conceptualized as inherently antisocial, as with Internet trolls. I examined a potentially prosocial manifestation of sadism: self-identified sadists in the BDSM community who cause pain only to consenting partners. 532 BDSM practitioners and nonpractitioners completed measures of everyday sadism with consent explicit, nonconsent explicit, or consent ambiguous, and known correlates of everyday sadism (empathy, HEXACO traits, and Dark Triad traits). Consistent with hypotheses, the general adult sample demonstrated negative correlations between everyday sadism and …

Multi-Component Material For Solar Energy Conversion And Fundamentals Of Lead Acid Batteries, Crystal Ferels

Graduate Research Theses & Dissertations

Synthesis of complex inorganic materials is desirable because their complex composition allows more degrees of freedom and tunability, whose properties differ from their parent components. As an expansion on this concept, we synthesized a quinary compound Ce3FeWS3O6, using a molten flux method and a solvothermal method. The compound crystallizes into a hexagonal crystal system with space group P63/m. Its electric partition shows an anion with the form [(Ce3+)3W6+(S2-)3(O2-)6]3- forcing the transition metal Fe3+ state and leaving no conduction electrons, making the material a semiconductor. This compound is the right candidate as photoelectric material capable of absorbing photons from the solar …

From Mcinnis To Adequacy: The Relationship Between School Funding Litigation And Illinois K-12 Public Education Funding Policy, Joel Filas

Graduate Research Theses & Dissertations

Illinois K-12 public school funding has long been characterized by large inter-district disparities in per-pupil expenditures. A primary reason for this characterization was the Illinois legislature’s heavy reliance on local property tax within the various school funding formulas historically used to determine school revenues. The heavy reliance on local property taxes as the primary source of funding for Illinois schools has contributed to one of the largest funding gaps between the state’s highest and lowest property wealth school districts in the United States. The heavy reliance on local property taxes has led to low property wealth school districts receiving a …

The Emotions Of Science: Using Social Media To Gauge Public Emotions Toward Research Topics, Cole C. Freeman

Graduate Research Theses & Dissertations

Online and in the real world, communities are bonded together by emotional consensus around core issues. Emotional responses to scientific findings often play a pivotal role in these core issues. When there is too much diversity of opinion on topics of science, emotions flare up and give rise to conflict. This conflict threatens positive outcomes for research. Emotions have the power to shape how people process new information. They can color the public's understanding of science, motivate policy positions, even change lives. And yet little work has been done to evaluate the public's emotional response to science using quantitative methods. …

"Don't Look At Her, She's Mad": Mama And Frankenstein Reveal Modern-Day Preoccupations, Caitlin Gamble

Graduate Research Theses & Dissertations

Viewing the film Mama (2013) through the lens of a certain Gothic text, Mary Shelley’s Frankenstein, reveals similar fears of the feminine alongside the focus of the nature of the in-between. These commonalities between the texts reveal an emerging trend in modern monster-horror films—the narrative-driven analysis of the role of the other and multiculturalism in the social consciousness. In this paper, I examine how Mama as an Imperial Gothic film builds on the tradition of indigenous stories, like La Llorona, and the Gothic. By referencing and combining these histories in the genre markers, it uses motherhood and the other to …

Vulnerability, Trauma, And Testimony In American Women’S Literature: A Long History, Jennifer L. Fife

Graduate Research Theses & Dissertations

This study examines the effects of vulnerability and trauma in American women’s literature across the intersections of genre, race, and time. In this dissertation I have applied a feminist long history approach to examine women’s literature from the seventeenth through twenty-first centuries together inspired by Mary Beard’s theory that compartmentalizing women’s history ignores long-range patterns and contributions. I have assembled the beginnings of a canon of women’s trauma literature that allows women writers to form a multi-century discourse community wherein trauma and recovery may occur. This analysis applies twentieth century medical research about trauma and recovery, particularly that of Judith …

The Influence Of The Type Of Supernatural And Paranormal Media On The Belief In The Various Forms Of Supernatural And Paranormal Phenomena, Mellissa Halsey

Graduate Research Theses & Dissertations

This thesis compares the consumption of the three different types of media: reality, live action fictional, and animated fictional, and the belief in the different types of supernatural and paranormal belief. The various phenomena addressed in this thesis were angels, demons, ghosts, psychics, aliens/UFOS, zombies, and Bigfoot. Models were created to test the belief level of each specific phenomena type against each of the three types of media, if enough media examples existed of each phenomena type. This type of analysis was used so that each media could be considered separately and then compared to each other. The hypotheses were …

Bi-Objective Optimization For A Single Batch Processing Machine, Leena Omar Ghrayeb

Graduate Research Theses & Dissertations

This research proposes a methodology for solving the problem of scheduling jobs with unequal ready times, unequal processing times, and unequal sizes on a single batch processing machine, with the objectives of minimizing makespan and maximum tardiness. Jobs must be placed into batches and scheduled on the machine such that both objectives are minimized, and machine capacity is not violated. The problem under study can be denoted as 1|p-batch, sj, rj| Cmax,Tmax. Based on a review of relevant literature, this problem has not been considered before.

The problem under study is NP-hard. Consequently, meta-heuristics such as Simulated Annealing (SA) and …

Social Change Leadership Development Associated With Black Greek Letter Organizations (Bglo): Determining How The Divine Nine Bglos Develop Social Change Leaders, Jason Reco Goode

Graduate Research Theses & Dissertations

This study sought to add literature to the topic of Black Greek Letter Organizations (BGLOs) that were part of the National Pan-Hellenic Council (NPHC) by exploring the benefits of BGLO membership related to social change leadership development. There were no studies that explained how BGLOs developed social change leaders. This qualitative study of BGLOs used two 90-minute interviews to gather data about BGLO member’s perceptions regarding their social change leadership development. The literature review provided history on the inception of Greek organizations, founding of BGLOs, the NPHC, non-NPHC Black Greek organizations, Masonic influence, student development, student leadership theories, activism, social …

On The Self-Force Problem Of Point-Like Charged Particles In Classical Electrodynamics, Kevin J. Hamilton

Graduate Research Theses & Dissertations

The problem of a point-like charged particle’s self-interaction force has been along-standing problem in the field of classical electrodynamics. For over a century,physicists have unsuccessfully developed a satisfactory solution until recently. Weexpand on the work done by Gralla et. al. [1] in order to establish a smooth andrelativistically correct formulation of point-like charged particles in motion and shedlight on related problems and applications, particularly the motion of elementary par-ticles with magnetic dipoles through non-uniform static magnetic fields. We conductnumerical simulations in order to quantify the magnitude of the perturbations fromthis self-force due to the new equations of motion relative to …

Experimental And Computational Characterization Of Sodium Nitrate @ Silica Nano Capsules For Thermal Energy Storage Applications, Wataru Hashimoto

Graduate Research Theses & Dissertations

In this investigation, a nanocapsule composed of a sodium nitrate core and a silicon dioxide shell is synthesized, characterized, and analyzed utilizing a mixture of analytical and computational tools. The sol-gel method was selected as the process of nanoencapsulation. Analytical characterization techniques employed in this investigation include differential scanning calorimetry (DSC) to measure melting temperatures and enthalpies of fusion, dynamic light scattering (DLS) to calculate particle size distributions, scanning electron microscopy (SEM) to analyze surface characteristics, transmission electron microscopy (TEM) to perform shell characterization, and energy dispersive X-ray spectroscopy (EDS) to determine chemical composition. Preliminary results indicated a decrease in …

Projective Splitting Methods For Maximal Monotone Mappings In Hilbert Spaces, Oday Hazaimah

Graduate Research Theses & Dissertations

In this dissertation, novel approaches for solving convex nonsmooth optimization, variational inequalities and inclusion problems are studied. The main contributions of the dissertation are given in Chapter 4 and Chapter 5. The two proposed iterations in Chapter 4, Half-Extragradient algorithm (HEG) and its accelerated version, are a natural modification of the classical Extragradient algorithm (EG)

when the composite objective function is a sum of three convex functions. EG evaluates the smooth operator twice per iteration via proximal mappings, and also, it allows larger step sizes. One of the main advantages of the proposed scheme is to avoid evaluating an

extragradient …