Digital Commons Network^™

Easily Verifiable Controller Design With Application To Automotive Powertrains, Mohammad Reza Amini

Dissertations, Master's Theses and Master's Reports

Bridging the gap between designed and implemented model-based controllers is a major challenge in the design cycle of industrial controllers. This gap is mainly created due to (i) digital implementation of controller software that introduces sampling and quantization imprecisions via analog-to-digital conversion (ADC), and (ii) uncertainties in the modeled plant’s dynamics, which directly propagate through the controller structure. The failure to identify and handle these implementation and model uncertainties results in undesirable controller performance and costly iterative loops for completing the controller verification and validation (V&V) process.

This PhD dissertation develops a novel theoretical framework to design controllers that are …

A Landscape Of Water And Waste: Heritage Legacies And Environmental Change In The Mesabi Iron Range, John Baeten

Dissertations, Master's Theses and Master's Reports

This dissertation explores the intersection between mining technology, industrial heritage, and environmental history, using iron mining in the Mesabi Range of the Lake Superior Iron District as its core case study. What impact did technological shifts in iron mining and ore processing have on the environment of the Lake Superior basin? How did the environmental changes wrought from low-grade iron ore mining and processing, such as the expansion of open-pits and the production of tailings, affect different communities in Minnesota’s Mesabi Range? And finally, how have the environmental legacies of iron mining been remembered and memorialized, or ignored and forgotten?

Electro-Optic Contact Poling Of Polymer Waveguide Devices And Thin Films, Michael Briseno

Dissertations, Master's Theses and Master's Reports

Optical communication is a high speed, large bandwidth, low cost, and power efficient method of transferring data over short-haul and long-haul channels. Optical communication requires devices (optical modulators) that utilize the originating electrical signal information to modulate a corresponding optical signal. State of the art optical modulators can be used for communicating signals at modulation frequencies up to 100 GHz and faster. Polymer modulators are used over lithium niobate due to the large potential electro-optic coefficient, which has been shown to be as high as 226 pm/V in thin films.

Organic electro-optic polymers used in thin film modulators contain nonlinear …

Effects Of In-Situ Leaf-Level Canopy Warming In A Northern Hardwood Forest, Kelsey Carter

Dissertations, Master's Theses and Master's Reports

Rising mean annual temperatures due to climate change have intensified the need to understand the effects of warming on plant physiological processes. Forest photosynthesis is the most important pathways of terrestrial carbon sequestration, yet continued warming could reduce this important carbon sink. Photosynthesis is highly sensitive to temperature and begins to decline after an optimum temperature (T_opt) is reached, leading to reduced carbon uptake. To date, logistical difficulties have limited our ability to test photosynthetic responses to sustained warming in mature forest canopies. In order to understand how elevated temperatures will affect forest ecosystems, we need to be …

Development Of A High-Fidelity Model And Kalman Filter Based State Estimator For Simulation And Control Of Nox Reduction Performance Of A Scr Catalyst On A Dpf, Venkata Rajesh Chundru

Dissertations, Master's Theses and Master's Reports

Reduction of emissions and improving the fuel consumption are two prime research areas in Diesel engine development. The present after-treatment systems being used for emissions control include diesel oxidation catalyst (DOC) for NO, HC and CO oxidation along with catalyzed particulate filters for PM (particulate matter) and selective catalytic reduction (SCR) for controlling NOx emissions. Recently an after-treatment system called SCR catalyst on a DPF capable of simultaneously reducing both NOx and PM emissions has been developed in order to reduce the overall size of the after-treatment system.

The goal of this proposed research is to create a state estimator …

Heterogeneous Multi-Sensor Fusion For 2d And 3d Pose Estimation, Hanieh Deilamsalehy

Dissertations, Master's Theses and Master's Reports

Sensor fusion is a process in which data from different sensors is combined to acquire an output that cannot be obtained from individual sensors. This dissertation first considers a 2D image level real world problem from rail industry and proposes a novel solution using sensor fusion, then proceeds further to the more complicated 3D problem of multi sensor fusion for UAV pose estimation.

One of the most important safety-related tasks in the rail industry is an early detection of defective rolling stock components. Railway wheels and wheel bearings are two components prone to damage due to their interactions with the …

The Effects Of Early Pruning On The Near-Ground Branch Density Of Four Live Fencing Species, Aric Devens

Dissertations, Master's Theses and Master's Reports

Crop losses in home gardens greatly impact the wellbeing of rural West African families. Herbivory by migratory or local livestock represents a significant source of crop loss. Live-fencing gardens with thorny hedges is a low-cost and sustainable strategy for reducing losses due to herbivory. However, guidance on the establishment of thorny hedges is inconsistent, poorly publicized, and often anecdotal. Therefore, this study evaluated the effects of three early pruning treatments on near-ground branch density of four thorny species: Vachellia nilotica, Senegalia laeta, Senegalia mellifera, and Prosopis juliflora. Physical measurements and photographic data indicated that after one growing season, V. …

Performance Of Hard Disk Drives In High Noise Environments, Trinoy Dutta

Dissertations, Master's Theses and Master's Reports

Digital information stored in rotational media, such as Hard Disk Drives (HDD) needs to be reliable and readily accessible. Various studies have been performed on the modal analysis of HDDs and the noise emitted during operation. Analysis performed by Siemens Corporation, IBM and Tyco Fire Protection Products show that HDDs are sensitive to noise. This report initially focusses on identifying the critical frequency ranges and the levels of noise where the performance of the drives reduces. A series of tests have been performed using pink noise at one-third octave frequency bands at sound pressure levels ranging from 80 dB to …

Distance Magic-Type And Distance Antimagic-Type Labelings Of Graphs, Bryan Freyberg

Dissertations, Master's Theses and Master's Reports

Generally speaking, a distance magic-type labeling of a graph G of order n is a bijection f from the vertex set of the graph to the first n natural numbers or to the elements of a group of order n, with the property that the weight of each vertex is the same. The weight of a vertex x is defined as the sum (or appropriate group operation) of all the labels of vertices adjacent to x. If instead we require that all weights differ, then we refer to the labeling as a distance antimagic-type labeling. This idea can be generalized …

Gamma/Hadron Separation For The Hawc Observatory, Michael J. Gerhardt

Dissertations, Master's Theses and Master's Reports

The High-Altitude Water Cherenkov (HAWC) Observatory is a gamma-ray observatory sensitive to gamma rays from 100 GeV to 100 TeV with an instantaneous field of view of ~2 sr. It is located on the Sierra Negra plateau in Mexico at an elevation of 4,100 m and began full operation in March 2015. The purpose of the detector is to study relativistic particles that are produced by interstellar and intergalactic objects such as: pulsars, supernova remnants, molecular clouds, black holes and more. To achieve optimal angular resolution, energy reconstruction and cosmic ray background suppression for the extensive air showers detected by …

Simulation Study On Effect Of Gas Charging And Egr In A Dual-Fuel Engine, Satyavenkata Naga Sai Sharath Gorthy

Dissertations, Master's Theses and Master's Reports

Natural gas combined with diesel as micro pilot has the capabilities of achieving lower NOx and soot emissions. Optimization of the combustion process in engines with natural gas and diesel micro-pilot is essential to achieve higher efficiencies and loads. Gas charging (intake air boosting) and EGR are two technologies which when implemented in the natural gas-diesel engines, provide the opportunity to achieve higher efficiencies and loads and low emissions. Simulation study is one of the approaches to investigate the extent and effects of gas charging and EGR on the performance of the engine. With the rapid improvements over the past …

Certified Nonprofit Professionals Early Career Decisions And College Student Loan Debt, Kristina Elizabeth-Ann Kofoot

Dissertations and Theses @ UNI

In the United States today college students graduate with more than $35,000 in student loan debt (Berman, 2015). There is little research as to what the impact of this debt has had on the career choices and trajectories of these graduates particularly those considering entering the nonprofit sector. The nonprofit sector serves millions of people across the United States every year (National Center for Charitable Statistics, 2016). In order to stay current, these organizations need to hire highly qualified professionals. The Nonprofit Leadership Alliance (NLA) offers a professional credential to students that enter their program. This credential titled Certified Nonprofit …

Using Blended Learning To Improve Undergraduate Introduction To Literature Courses: A Mixed Methods Approach, Julie Leigh Klein

Dissertations and Theses @ UNI

Blended learning is being used more and more in higher education. However, for humanities and other loosely content structured areas, blended learning can be challenging. It has generally been reserved for subject areas such as computer programing, mathematics, business, science, and statistics--courses where competence is commonly assessed by administering work on which performance is either right or wrong. Furthermore, agreement has not yet been reached on how to best incorporate the face-to-face and online teaching resources. This study examines one approach of implementing web-based instruction to improve undergraduate Introduction to Literature courses at a midsized Midwestern university.

This study was …

Transition Team, American Accounting Association

Accounting Hall of Fame Brochures

No abstract provided.

Volume 31 (2016-2017)

EILR Masthead Archive

No abstract provided.

Brandishing Our Air, Space, And Cyber Swords: Recommendations For Deterrence And Beyond, Mark Reith

Faculty Publications

This article examines how the nation could better prepare to deter aggressive action in space and cyberspace, and if necessary, prevail should deterrence fail. The key themes throughout this article include a strong need for space and cyber situational awareness, the need for an international attribution and escalation framework, and a national investment in space and cyber education, along with an updated national strategy and military doctrine. Although related, this article focuses on deterrence and avoids the topic of cyber coercion.

Young Adults In Transition: Factors That Support And Hinder Growth And Change, Mona Treadway

Antioch University Dissertations & Theses

Young adults between 18 and 24 years of age with mental illness are significantly less likely to receive mental health services than adults in older age groups.Nationally, higher rates of depression, substance abuse, and psychiatric issues are reported in this age group.A therapeutic model referred to as young adult transition programs has emerged to better address the unique developmental challenges found in this age group.This study examined 317 critical incidents that supported or hindered young adults in a therapeutic transition program.The research design used a combination of an instrumental case study and critical incident technique (CIT).Using interviews and the Outcome …

Russell Lord And The Permanent Agriculture Movement: An Environmental Biography, Margaret L. Eppig

Antioch University Dissertations & Theses

This work is an environmental biography of agricultural journalist Russell Lord and a history of the agricultural conservation organization he co-founded. Today the work of the Society for the Friends of the Land (1940 – 1960) is little known to contemporary agricultural and environmental history, yet its influence continues through the fields of sustainable agriculture and landscape restoration. This work chronicles how modern revolutions in scientific and ecological thought transformed the future of American agriculture. It formed the cornerstone of an emerging environmental movement. I argue that this movement, with Lord as its literary vanguard, was the lynchpin that bound …

Exploring The Lives Of Women Who Lead, Susan Cloninger

Antioch University Dissertations & Theses

Scholars have identified various reasons for the underrepresentation of women in the upper echelons of organizations.This study used grounded theory methodology enhanced by situational analysis to explore how American women at senior levels in large organizational contexts engage and negotiate the totality of their situation.Utilizing a predominately White, married, middle to upper class, heterosexual sample, this study sought to understand how women create and consign meaning around their experiences; how they experience the fluidity and boundaries of multiple identities; and how they experience the entanglement of macro, meso, and micro societal forces.It explores relationships among factors participants named as influential …

"You're Doing Fine, Right?": Adolescent Siblings Of Substance Abusers, Cynthia E. Clarfield

Antioch University Dissertations & Theses

There has been a rising interest in addiction medicine and addiction treatment in both the medical and behavioral health science fields. Research suggests having a family member with a substance abuse problem has negative impacts on both physical and mental health (Orford, Copello, Velleman, & Templeton, 2010a). Despite advances toward understanding the experiences of family members affected by a loved one's addiction, the siblings of substance abusers have been largely excluded from scientific research and literature. As a result, little is known about how siblings experience the impacts of a brother or sister's addiction; even less is known about the …

Behavioral Interventions That Treat Aggression: Employees Implementation Experiences Within Adult Psychiatric Settings, Alyse Catherine Donovan

Antioch University Dissertations & Theses

When adults hospitalized within inpatient psychiatric settings engage in aggressive behavior, it can have detrimental psychological and physical effects on not only other patients, but on hospital employees. Several adult psychiatric inpatient facilities have successfully reduced rates of patient aggression through the implementation of behavioral interventions. While there is much research on factors that lead to successful implementation of evidence based interventions, the literature had not yet explored the subjective experience of employees who are asked to implement behavioral plans in adult psychiatric settings. This study utilized Interpretive Phenomenological Analysis to gain an understanding of employees’ perceptions of barriers and …

Effects Of The Biological Reagent Iptg On Expression Of The Protein Afudg, Joseph Miller, Samuel Hendrickx

Celebrating Scholarship & Creativity Day (2011-2017)

No abstract provided.

Alcuin Library's 1966 Dedication, The Vice President, And Dorothy Day, Peggy L. Roske

Archives History Lessons

No abstract provided.

Prep Puts On "Godspell" Play - Again, Peggy L. Roske

Archives History Lessons

No abstract provided.

A Comparison Of Verbal And Written Metacognitive Strategies Used By High School Students In A Language Arts Classroom, Jennifer Elizabeth Gannaio

Doctor of Education (Ed.D)

The purpose of the study was to compare verbal and written metacognitive strategies used by 10th grade students in an English Language Arts (ELA) classroom. A convenience sample of forty-seven students were divided into two equivocal treatment groups. Both groups were first pretested by completing an ACT reading passage with accompanying questions. Following the reading task, both groups completed the Metacognitive Awareness of Reading Strategy Inventory (MARSI). The sample was divided into two treatment groups, one group receiving daily enrichment style instruction in verbal metacognitive strategies, and the other treatment group receiving instruction in both written and verbal strategies. Following …

Reading Aloud To Tweens And Teens To Create Empathy: A Functional Criteria, Elizabeth Good

Graduate Research Papers

The purpose of this study was twofold: to develop criteria to analyze literature and determine if it would make a good classroom read aloud, then to apply this criteria to three young adult texts identified by Jen Scott Curwood's (2012) in Redefining Normal: A Critical Analysis of (Dis)ability in Young Adult Literature as appropriately depicting teens with disabilities to determine if they would make good classroom read aloud selections. The researcher developed seven criteria by which to judge texts and identified themes within the readings that encompassed the traits the studied texts all possessed in regard to the research questions. …

Developments In Capture- Γ Libraries For Nonproliferation Applications, A. M. Hurst, R. B. Firestone, B. W. Sleaford, D. L. Bleuel, M. S. Basunia, F. Becvar, T. Belgya, L. A. Bernstein, J. J. Carroll, B. Detwiler, J. E. Escher, C. Genreith, B. L. Goldblum, M. Krticka, A. G. Lerch, David A. Matters, John W. Mcclory, Stephen R. Mchale, Zs. Revay, L. Szentmiklosi, D. Turkoglu, A. Ureche, J. Vulic

Faculty Publications

The neutron-capture reaction is fundamental for identifying and analyzing the γ-ray spectrum from an unknown assembly because it provides unambiguous information on the neutron-absorbing isotopes. Nondestructive-assay applications may exploit this phenomenon passively, for example, in the presence of spontaneous-fission neutrons, or actively where an external neutron source is used as a probe. There are known gaps in the Evaluated Nuclear Data File libraries corresponding to neutron-capture γ-ray data that otherwise limit transport-modeling applications. In this work, we describe how new thermal neutron-capture data are being used to improve information in the neutron-data libraries for isotopes relevant to nonproliferation applications. We …

Concert Recording 2017-01-25, Paulo Eskitch, Allyson Eskitch, Ryan Cockerham, Dominic K. Na, Jake Hertzog

Concert Recordings & Programs

[00:00] Book 2 of Ayres for the violin. Passaggio rotto / Nicola Matteis -- [02:38]. Muscalsche ergotzung. Partia #4 in E minor for 2 violins and basso. Sonata-Adagio ; Aria ; Ciacona / Johann Pachelbel -- [11:32]. Artifiosus concentur pro camera. Partia #5 in G minor / Johann Vilsmayr -- [23:49]. Sonata #4 / Heinrich Biber -- [32:50]. Sonata for violin and piano, K. 454. I. Largo-Allegro ; II. Andante ; III. Allegretto / W.A. Mozart --[56:23]. The dream, Op. 38 #5 / Serge Rachmaninoff -- [59:42]. Sonata for violin and piano #3 in C minor. I. Allegro molto ed …

Visual Phonics : Its Impact As An Instructional Tool To Promote Literacy Development In Kindergarten Students, Lori J. Bower

Graduate Research Papers

This review of literature examined the impact of See The Sound/Visual Phonics (STSNP), a supplemental instructional strategy, on kindergarten students, especially those at risk for future reading challenges. STSNP is an instructional strategy originally designed for use with children who are deaf/hard of hearing, that utilizes the multi-sensory tool of gesture to focus on the development of phonemic awareness skills. Research reviewed for this study first examined the importance of phonemic awareness in overall literacy development. Additional studies reviewed establish support for the use of multi-sensory instructional approaches, including the specific use of gesture to help efficiently encode information. This …

Taking University Business Courses Online: An Instructional Designer's Perspective, Zachary P. Benton-Slocum

Graduate Research Papers

This report details an instructional design project for the College of Business (COB) at the University of Northern Iowa, an average-sized Midwest university. During the project as an instructional designer, I converted an existing traditional face-to-face business readiness program (Business 1000, 2000, 3000, & 4000) to online/flipped/blended courses using the Blackboard Learning Management System. The process involved working with faculty, program heads, students, and the staff of the COB with the intention of lowering the technology bar of intimidation enough to integrate it with the pedagogy needs of the courses.