Digital Commons Network^™

Stochastic Modeling For Mobile Manipulators, Xie Jiayu

Master's Theses (2009 -)

Mobile manipulators are valuable and highly desired in many fields, especially in industrial environments. However, determining the end effector position has been challenging for scenarios where the base moves at the same time that the arm follows commands to perform specific tasks. Earlier works have attempted to dynamically evaluate the problem of positioning error for mobile manipulators, but there is still room for further improvement. In this thesis, we devise a dynamical model that leverages stochastic search strategies for mobile manipulators. More specifically, we develop a dynamic model that estimates the position of the robot using an Unscented Kalman filter. …

Detecting Invasive Insects Using Uncewed Aerial Vehicles And Variational Autoencoders, Scott Daniel Stewart

Master's Theses (2009 -)

In this thesis, we use machine learning techniques to address limitations in our ability to monitor pest insect migrations. Invasive insect populations, such as the brown marmorated stink bug (BMSB), cause significant economic and environmental damages. In order to mitigate these damages, tracking BMSB migration is vital, but it also poses a challenge. The current state-of-the-art solution to track insect migrations is called mark-release-recapture. In mark-release-recapture, a researcher marks insects with a fluorescent powder, releases them back into the wild, and searches for the insects using ultra-violet flashlights at suspected migration destination locations. However, this involves a significant amount of …

Aeroacoustic Design Of An Abrasive Blasting Nozzle Using Cfd, Adam Dehli

Master's Theses (2009 -)

Current industrial abrasive blasting nozzles are often loud enough to negatively impact worker health and require employers to implement hearing conservation programs under OSHA noise exposure regulations. Significant opportunity exists for the use of modern computational fluid dynamics software (CFD) in the design of an abrasive blasting nozzle with a focus on reducing the acoustic intensity. Past work using CFD for abrasive blasting nozzle design has focused on improving productivity, ignoring aeroacoustic considerations. ANSYS Fluent software was used to investigate the effect of geometry changes to a commercially available No. 6 venturi nozzle, specifically the addition of a constant cross-section …

Study Of Extensions To The Linear Sampling Method For Electromagnetic Inverse Scattering, Yeasmin Sultana

Master's Theses (2009 -)

The linear sampling method (LSM) is a simple and effective qualitative method to reconstruct the support of unknown object by solving inverse scattering problem. The solution is done based on the field radiated by the elementary source located in a set of test points. In this thesis, the LSM formulation, limitations of standard LSM and extensions of LSM are discussed. Standard LSM can reconstruct simply connected objects, but it fails in case of concave or not simply connected objects. However, it can reconstruct the convex hull for such objects. Some extensions to LSM have been proposed to avoid these limitations. …

La Migración Como Determinante De La Obesidad Infantil En Estados Unidos Y Latinoamérica, Mireya Vilar-Compte, Arturo V. Bustamante, Nancy López-Olmedo, Pablo Gaitán-Ross, Jaqueline Torres, Karen E. Peterson, Graciela Teruel, Rafael Pérez-Escamilla

Department of Public Health Scholarship and Creative Works

La migración internacional tiene consecuencias económicas y en la salud. El proceso de aculturación en el país de acogida puede estar relacionado con la obesidad infan-til. Utilizamos el marco conceptual del balance energético comunitario (CEB, por sus siglas en inglés) para analizar la relación entre migración y obesidad infantil en los hogares mexicanos con migrantes internacionales. Utilizando datos longitudinales de la Encuesta Nacional de Niveles de Vida de los Hogares de México (ENNViH), exami-namos cómo influyen las redes de migrantes sobre la obesidad infantil en las comuni-dades de origen. También revisamos programas de salud binacionales que podrían ser eficaces para …

Micromechanics Of Additively Manufactured Materials Under Dynamic Loading, Christopher Rueben Johnson

Dissertations (1934 -)

Ongoing works aim to develop a predictive computational framework whichcan be utilized to shorten the design and certification cycle of additively manufactured (AM) 304L stainless steel (SS304L). High fidelity experiments are utilized to validate and parameterize the computational framework. Results have detailed differing mechanical responses across a breadth of strain rates for wrought and AM SS304L. Differences are attributed to the microstructural properties resulting from the fabrication and treatment of the materials. This work aims to supplement preexisting high strain rate compressive strength experimental data sets to further quantify process-structure-property (PSP) relationships in development of the computational framework. Materials investigated …

Direct And Non-Invasive Monitoring Of Battery Internal State Via Novel Gmi-Idt Magnetic Sensor, Akila Khatun

Dissertations (1934 -)

Efficient battery management systems (BMSs) in rechargeable battery-based systems require precise measurements of various battery parameters including state of charge (SOC), state of health (SOH) and charge capacity. Presently, SOC, charge capacity and SOH can only be indirectly inferred from long-term measurement of current, open circuit voltage (OCV), and temperature using multiple sensors. These techniques can only give an approximation of SOC and often require knowledge of the recent battery history to prevent excessive inaccuracy.To improve the performance of the BMS, an alternative method of monitoring the internal state of Li-ion batteries is presented here. Theoretical analysis of Li-ion batteries …

A Novel Laser-Aided Machining And Polishing Process For Additive Manufacturing Materials With Multiple Endmill Emulating Scan Patterns, Mohammad Masud Parvez, Sahil Patel, Sriram Praneeth Isanaka, Frank W. Liou

Mechanical and Aerospace Engineering Faculty Research & Creative Works

In additive manufacturing (AM), the surface roughness of the deposited parts remains significantly higher than the admissible range for most applications. Additionally, the surface topography of AM parts exhibits waviness profiles between tracks and layers. Therefore, post-processing is indispensable to improve surface quality. Laser-aided machining and polishing can be effective surface improvement processes that can be used due to their availability as the primary energy sources in many metal AM processes. While the initial roughness and waviness of the surface of most AM parts are very high, to achieve dimensional accuracy and minimize roughness, a high input energy density is …

Tying A Tribal Officer's Hands: Tribal Law Enforcement Authority Under United States V. Cooley, Mikaela Koski

Penn State Law Review (2003 - Present)

No abstract provided.

Survivability Analysis In The Shadow Of Apollo: Part I - Cislunar Debris Propagation And Spacecraft Vulnerability, Nathan R. Boone, Robert A. Bettinger

Faculty Publications

Although the reality of routine travel and sustained operations and habitation in space likely remains several decades away, the building blocks of space exploration and space system development necessary to realize this reality are currently being laid by peer, near-peer, and emerging space-faring nations. Traditionally, global space operations were notionally limited to near-Earth space, with mission altitudes extending to geosynchronous or even highly elliptical orbits. During the 2010s, however, space operations began moving beyond this paradigm to encompass cislunar space with reinvigorated U.S. initiatives to return to the Moon via the Artemis program, planned commercial space projects, and an accelerated …

Immunomodulatory Activity Of Carboxymethyl Pachymaran On Immunosuppressed Mice Induced By Cyclophosphamide, Feng Liu, Lijia Zhang, Xi Feng, Salam A. Ibrahim, Wen Huang, Ying Liu

Faculty Research, Scholarly, and Creative Activity

The effects of immunomodulatory activity of two types of carboxymethyl pachymaran (CMP-1 and CMP-2) on cyclophosphamide (CTX)-induced mice were investigated. Both CMP-1 and CMP-2 were found to restore the splenomegaly and alleviate the spleen lesions and the mRNA ex-pressions of TLR4, MyD88, p65 and NF-κB in spleen were also increased. CMP-1 and CMP-2 could enhance the immunity by increasing the levels of TNF-α, IL-2, IL-6, IFN-γ, Ig-A and Ig-G in serum. In addition, CMP-1 could increase the relative abundance of Bacteroidetes and reduce the relative richness of Firmicutes at the phylum level. CMP-1 and CMP-2 could reduce the relative abundance …

Meridians 20:2 Transnational Feminist Approaches To Anti-Muslim Racism, Ginetta Candelario

Meridians: Feminism, Race, Transnationalism

This issue coincides with the twentieth anniversary of the United States’ initiation of the “war on terror” launched in the aftermath of the events of September 11, 2001. On that day, al-Qaeda operatives destroyed the World Trade Center in lower Manhattan by flying two hijacked planes into the twin towers; a third hijacked plane hit the first floor of the Pentagon’s west wall; and a fourth plane crashed in a field in Shanksville, Pennsylvania when passengers successfully thwarted the hijackers....

Chairs Of Excellence Annual Report 2021, Tennessee. Higher Education Commission.

Academic Programs and Workforce Reports

No abstract provided.

Guide For Teaching Faculty 2021-2022, Ceteal, Coastal Carolina University

Guide for Teaching Faculty

No abstract provided.

High-Throughput Next-Generation Sequencing Respiratory Viral Panel: A Diagnostic And Epidemiologic Tool For Sars-Cov-2 And Other Viruses, Nikhil S. Sahajpal, Ashis K. Mondal, Allan Njau, Zachary Petty, Jiani Chen, Sudha Ananth, Pankaj Ahluwalia, Colin Williams, Ted M. Ross, Alka Chaubey

Pathology, East Africa

Two serious public health challenges have emerged in the current COVID-19 pandemic namely, deficits in SARS-CoV-2 variant monitoring and neglect of other co-circulating respiratory viruses. Additionally, accurate assessment of the evolution, extent, and dynamics of the outbreak is required to understand the transmission of the virus. To address these challenges, we evaluated 533 samples using a high-throughput next-generation sequencing (NGS) respiratory viral panel (RVP) that includes 40 viral pathogens. The performance metrics revealed a PPA, NPA, and accuracy of 95.98%, 85.96%, and 94.4%, respectively. The clade for pangolin lineage B that contains certain distant variants, including P4715L in ORF1ab, Q57H …

A Study On Constructing The Fourth Financial Statement For The Performance Prediction And Value Assessment Of Internet Enterprises In The Food Industry, Jianxin Zhang

Dissertations and Theses Collection (Open Access)

For a long time, industry, financial institutions, PE investment funds, and capital market investors have determined the business performance and market value of a company, usually based on the data of the three audited financial tables provided by the company, and further comprehensive analysis will be carried out the evaluation. Due to the limitations of accounting standards, the three financial tables cannot truly reflect all the business conditions of the enterprise. At the same time, the economic stage with traditional manufacturing as the main body and the economic stage with the digital economy as the main body are concerned with …

Gauging Informal Stem Youth Program Impact: A Conceptual Framework And A Measurement Instrument, Robert Tai, Ji Hoon Ryoo, Claire Mitchell, Xiaoqing Kong

Journal of Youth Development

STEM education programs are often formulated with a "hands-on activities" focus across a wide array of topics from robotics to rockets to ecology. Traditionally, the impact of these programs is based on surveys of youth on program-specific experiences or the youths’ interest and impressions of science in general. In this manuscript, we offer a new approach to analyzing science programming design and youth participant impact. The conceptual framework discussed here concentrates on the organization and analysis of common learning activities and instructional strategies. We establish instrument validity and reliability through an analysis of validity threats and pilot study results. We …

Cultivating Youth Affinity For College Within The Context Of Campus-Based Summer Camps, Barry Garst, Ryan Gagnon, Thomas Clanton, Jay Woodward

Journal of Youth Development

College and university-based (CUB) summer camps are a prominent pre-collegiate experience targeting middle and high school adolescents, which research suggests may enhance college aspirations and preparedness, develop academic knowledge and skills, and influence future career choices. This study examines factors that predict the relation between affinity for college, program engagement and support, college major selection, and social–emotional outcomes stemming from youth involvement in a CUB camp based on data collected from 641 middle and high school-aged youth who completed an online questionnaire on the last day of the CUB camp. The findings validated a 4-factor model comprised of college brand …

Gender Deviants: Subverting Regulatory Power In Medical Institutions, Ursa Nuffer-Rodriguez Mx.

University Honors Theses

Medical and psychiatric institutions have a long history of regulating and pathologizing the bodies of non-normative individuals. The harmful normativity of these institutions is particularly salient for trans* people pursuing gender-affirming medical care, as popular media representations of trans* identity reinforce narratives of certainty and aspirations towards cisgender standards of corporeality which rarely map onto authentic narratives of trans*ness. For the gender deviant subject, who conceives of hirself beyond these hegemonic notions of identity, navigating these institutions often requires a false projection of identity that fits the standard narrative, simply as a means to an end. In doing so, the …

Plastic-Eating Microbes: A New Potential Solution To Waste Mitigation?, Megan Forbes

University Honors Theses

Plastic waste is problematic for marine and terrestrial ecosystems due to the mass production of polyethylene terephthalate (PET) single use plastics. What is unclear is a well-thought-out solution to solve pollution problems that will not further damage the environment. Throughout this literature review, I will investigate the role microbes play in plastic degradation, and if plastic eating microbes are an effective solution to the plastic pollution problem. Polyethylene terephthalate (PET) is the chemical name for polyester. It is a clear, strong, and lightweight plastic that is typically used for food and beverage packaging, and other single-use purposes. The most well …

Correct Web Service Transactions In The Presence Of Malicious And Misbehaving Transactions, John Thomas Ravan Iii

Theses and Dissertations

Concurrent database transactions within a web service environment can cause a variety of problems without the proper concurrency control mechanisms in place. A few of these problems involve data integrity issues, deadlock, and efficiency issues. Even with today’s industry standard solutions to these problems, they have taken a reactive approach rather than proactively preventing these problems from happening. We deliver a solution, based on prediction-based scheduling to ensure consistency while keeping execution time the same or faster than current industry solutions. The first part of this solution involves prototyping and formally proving a prediction-based scheduler.

The prediction-based scheduler leverages a …

Best Practices In Science Education And Next Generation Science Standards: A Review Of Systems Thinking, Inquiry-Based Learning And Culturally Sustainable Practices, Kyle Koyle

School of Education and Leadership Student Capstone Projects

Public School science educators are given the task to teach students dynamic, interpretable material based on grade level as well as national and state standards. Science is at the forefront of many jobs and future economic stability and also encompasses a wide range of disciplinary topics. Having educators use the best resources in curriculum development and teaching methodology is crucial to successfully empowering future scientific research and understanding. The Whole Ecosystems in Balance (WEB), A Natural Resource Curriculum, originally created in 1995, was used to support science teaching efforts in Eastern Oregon. In order to continue its relevance, the curriculum …

Sustainable Agriculture Curriculum For 9th-12th Graders, Michaela Gallup

School of Education and Leadership Student Capstone Projects

According to the research conducted by Ziska, L. H. climate change and the agricultural industry’s fates are tightly tied. As the effects of climate change continue to worsen, food production will become more challenging. Inorder to help address these issues, this curriculum will introduce student to the causes of climate change, how climate change and agriculture impact each other, evaluate agricultural technologies that could help diminish the effects of climate change, and finally have students propose solutions to agricultural and climate related issues in their communities. The pedagogical practices used in this curriculum is a combination of traditional teaching styles, …

Instructional Support For Vocational Esl Teachers, Amy Zoerb

School of Education and Leadership Student Capstone Projects

Workplace/Occupational/Vocational ESL (VESL) is a growing approach within English for Specific Purposes (ESP), fueled by national initiatives such as the Workforce Innovation and Opportunity Act (WIOA), and Integrated Education and Training (IET) among others. However, teacher training and support is often lacking for ESL teachers within these areas. This led to the research question, how can instructional support be provided to teachers of adult learners in Vocational ESL (VESL) programs? The creation of a Faculty Learning Community (FLC) for VESL instructors was developed in response to this question, which is collected into a facilitator guide. The Faculty Learning Community is …

Framework For Implementing Metacognitive Reflection Tools To Facilitate Student Learning, Elise Thompson

School of Education and Leadership Student Capstone Projects

Educators of all disciplines are finding themselves providing endless engaging content and working long hours to give feedback, yet they are still witnessing their students struggle to master content objectives. Students need to be empowered and provided the tools to take ownership of the learning process. Through intentional metacognitive reflection, the interrogation and reconstruction of learning, teachers will find increased retention, comprehension, critical thinking, knowledge transfer, accountability, and motivation in their students. This professional development framework is intended to improve high school student mastery through metacognitive reflection and to provide tools for teachers of all disciplines to set students up …

Differentiation And Online Learning, Emily Nelson

School of Education and Leadership Student Capstone Projects

The research question investigated in this project was, how can digital teachers utilize differentiation strategies to best meet the needs of their learners in an online environment? It describes the process of creating a standards based literacy unit which utilizes online resources. This project builds on the work of Tomlinson’s approach to differentiation in a traditional in person classroom setting and the community of inquiry (COI) model of online learning. The unit is differentiated according to student academic level, method of content delivery (synchronous or asynchronous), and student sharing. The document shares how the project was created to meet the …

Settingsorder Article Reprints Open Accessarticle Generation And Characterization Of Human Mesenchymal Stem Cell-Derived Smooth Muscle Cells, Srikanth Sivaraman, Jackson Hedrick, Samia Ismail, Chris Slavin, Raj R. Rao

Biomedical Engineering Faculty Publications and Presentations

Cardiovascular diseases are the leading cause of death worldwide. A completely autologous treatment can be achieved by using elastogenic mesenchymal stem cell (MSC)-derived smooth muscle cells (SMC) at the affected tissue site of vascular diseases such as abdominal aortic aneurysms (AAA). Thus, our work focused on evaluating the efficacy of (a) the combination of various growth factors, (b) different time periods and (c) different MSC lines to determine the treatment combination that generated SMCs that exhibited the greatest elastogenicity among the tested groups using Western blotting and flow cytometry. Additionally, total RNA sequencing was used to confirm that post-differentiation cells …

Climate Reparations: Moral, Historical, And Legal Justifications For United States Reparations Payments To Female Population Groups In Developing Countries, Kate Belsito

Cardozo International & Comparative Law Review

The note advocates for a community-based reparations program targeting women in rural, developing countries most affected by climate change. It asserts that the United States, as a major historical emitter of greenhouse gases, bears significant responsibility for these harms and has failed to meet its international treaty obligations. The proposed program would address past injustices while promoting future adaptation, emphasizing moral accountability and systemic change.

Title Vii Prohibits Employment Discrimination... Except When It Doesn't: Eliminating The Small Firm Exemption, Hayley Bronner

Cardozo International & Comparative Law Review

The note argues that the small firm exemption in Title VII of the Civil Rights Act of 1964, which excludes employers with fewer than fifteen employees from coverage, undermines the law's purpose of eradicating employment discrimination. The exemption, initially a political compromise, lacks an evidence-based foundation and disproportionately affects vulnerable groups such as women and minorities. The analysis suggests that eliminating this exemption is essential to achieve universal protection and align Title VII with broader state and international laws, proposing measures like damage caps to mitigate potential burdens on small businesses.

Smc Fact Book 2021-2022, Saint Mary's College Of California

SMC Fact Book

No abstract provided.