Digital Commons Network^™

Asl-Catboost Method For Wind Turbine Fault Detection Integrated With Digital Twin, Hongtao Liang, Lingchao Kong, Guozhu Liu, Wenxuan Dong, Xiangyi Liu

Journal of System Simulation

Abstract: In view of the low visibility of the current wind farm status monitoring and insufficient realtime operation and maintenance, based on the concept of digital twin five-dimensional model, the framework of wind farm digital twin five-dimensional model is constructed. Aiming at the insufficient fault detection capability of traditional algorithms and unbalanced positive and negative samples in fan fault data set, the improved ASL-CatBoost algorithm is proposed to achieve the accurate detection of fan fault status. Based on the digital twinning platform, combined with MATLAB/Simulink, the simulation mathematical model of doubly-fed wind turbine under the condition of blade mass imbalance …

Lanthorn, Vol. 58, No. 17, April 15, 2024, Grand Valley State University

Volume 58, August 7, 2023 - April 15, 2024

Lanthorn is Grand Valley State's student newspaper, published from 1968 to the present.

Spatial Correspondence Of Cortical Activity Measured With Whole Head Fnirs And Fmri Toward Clinical Use Within Subject, Anthony Zinos, Julie C. Wagner, Scott A. Beardsley, Wei-Liang Chen, Lisa Conant, Marsha Malloy, Joseph Heffernan, Brendan Quirk, Robert W. Prost, Mohit Maheshwari, Jeffrey Sugar, Harry T. Whelan

Biomedical Engineering Faculty Research and Publications

Functional near infrared spectroscopy (fNIRS) and functional magnetic resonance imaging (fMRI) both measure the hemodynamic response, and so both imaging modalities are expected to have a strong correspondence in regions of cortex adjacent to the scalp. To assess whether fNIRS can be used clinically in a manner similar to fMRI, 22 healthy adult participants underwent same-day fMRI and whole-head fNIRS testing while they performed separate motor (finger tapping) and visual (flashing checkerboard) tasks. Analyses were conducted within and across subjects for each imaging approach, and regions of significant task-related activity were compared on the cortical surface. The spatial correspondence between …

Influence Of Birthsex On Readmissions Due To Nonadherence To Psychotropic Medications, Moro Osumanu

Walden Dissertations and Doctoral Studies

Hospital directors at psychiatric hospitals in Ghana are struggling to reduce readmissions that are caused by nonadherence to psychotropic medications. Hospital readmissions and their associated costs have become an increasing concern over the last several years. The purpose of this quantitative correlational study was to examine the influence of birthsex on readmissions due to nonadherence to psychotropic medications. The Donabedian model was used as the theoretical framework for this study. The research question was developed to determine which birthsex category has the greatest positive influence on readmissions due to nonadherence to psychotropic medications at the psychiatric hospital study site. The …

Islamophobia In Public Schools: A Mixed Methods Look At The Effectiveness Of Parental Ethnic-Racial Strategies In Promoting Resilience Among Muslim Children, Lallia Allali

Dissertations

The ongoing Islamophobic ideology in the United States has magnified discriminatory practices, exclusion, and increased violence toward Muslims (Esposito & Kalin, 2011; Trudo, 2021), and Islamophobia has further disadvantaged Muslim American adolescents through various forms of discrimination against them in schools. In fact, Muslim American students report the highest rate of discrimination across all religious groups, and researchers have found that active family ethnic-racial socialization can often mitigate the negative impacts of discrimination (Hughes et al., 2006; Hughly et al., 2019).

To test this hypothesis, this study was designed to focus on Muslim families’ ethnic-racial socialization practices and the implications …

Ml/Ai Enabled Intelligent Next Generation Autonomous Network System: Performance Enhancement And Management, Harsh Kumar

Electrical and Computer Engineering ETDs

The smart next generation autonomous system for network performance enhancement and management, specifically suitable for networks like 5G, B5G, 6G, and SDN, is presented in this PhD dissertation powered by ML/AI. The dissertation has been divided into six critical parts. First, it focuses on QoS monitoring and provisioning using intelligent QoS agent design in 6G network. Second, it elaborates on LSTM and SP-LSTM comparative analysis towards network traffic prediction in 6G networks. Third, digging into 6G frontier navigation using SE-DO for intelligent Agent Optimization. Fourth, the dissertation delves into role delegation function as a service to improve reliability and latency …

Impacts Of Fire And Prospects For Recovery In A Tropical Peat Forest Ecosystem, Me Harrison, Nj Deere, Ma Imron, D Nasir, Adul, Ha Asti, Ja Soler, Nc Boyd, Sm Cheyne, Sa Collins, Lj D'Arcy, Wm Erb, H Green, W Healy, Hendri, B Holly, Pr Houlihan, Sj Husson, Iwan, Ka Jeffers, Ip Kulu, K Kusin, Nc Marchant, Hc Morrogh-Bernard, Se Page, A Purwanto, Br Capilla, Ord Ortega, Santiano, Kl Spencer

School of Biological and Marine Sciences

Uncontrolled fires place considerable burdens on forest ecosystems, compromising our ability to meet conservation and restoration goals. A poor understanding of the impacts of fire on ecosystems and their biodiversity exacerbates this challenge, particularly in tropical regions where few studies have applied consistent analytical techniques to examine a broad range of ecological impacts over multiyear time frames. We compiled 16 y of data on ecosystem properties (17 variables) and biodiversity (21 variables) from a tropical peatland in Indonesia to assess fire impacts and infer the potential for recovery. Burned forest experienced altered structural and microclimatic conditions, resulting in a proliferation …

Scaling Of Buccal Mass Growth And Muscle Activation Determine The Duration Of Feeding Behaviours In The Marine Mollusc Aplysia Californica, Jeffery P. Gill, Anna Skalski De Campos, Katherine X. Wang, Isha V. Kaza, Victoria X. Fan, Hillel J. Chiel

Faculty Scholarship

The mechanical forces experienced during movement and the time constants of muscle activation are important determinants of the durations of behaviours, which may both be affected by size-dependent scaling. The mechanics of slow movements in small animals are dominated by elastic forces and are thus quasistatic (i.e. always near mechanical equilibrium). Muscular forces producing movement and elastic forces resisting movement should scale identically (proportional to mass^2/3), leaving the scaling of the time constant of muscle activation to play a critical role in determining behavioural duration. We tested this hypothesis by measuring the duration of feeding behaviours in the …

Grazing On The Arizona Strip: Catchment History And Repair, Melanie Heaton

All Current Publications

Water, not forage, is the limiting factor for wildlife and livestock grazing the Arizona Strip, a nearly 3-million-acre piece of land located north of the Grand Canyon and south of the Utah border. Since springs and groundwater are rare or absent, harvesting of natural precipitation is the main source of water for animals. Catchment systems, which capture precipitation on a sloped rubber apron and contain it in a large tank or lined pond, are used by government agencies and grazing permittees to efficiently provide water for wildlife and livestock. As catchments reach the end of their useful lives, tank replacement …

Predictors Of Adherence To A Publicly Available Self-Guided Digital Mental Health Intervention, Mercedes G. Woolley, Korena S. Klimczak, Carter H. Davis, Michael E. Levin

Psychology Faculty Publications

Low adherence to self-guided digital mental health interventions (DMHIs) have raised concerns about their real-world effectiveness. Naturalistic data from self-guided DMHIs are often not available, hindering our ability to assess adherence among real-world users. This study aimed to analyze 3 years of user data from the public launch of an empirically supported 12-session self-guided DMHI, to assess overall program adherence rates and explore predictors of adherence. Data from 984 registered users were analyzed. Results showed that only 14.8% of users completed all 12 modules and 68.6% completed less than half of the modules. Users who were younger, had milder depression, …

Retrospective Consecutive Controlled Case Series Of Outcomes For Functional Analyses Of Severe Destructive Behavior, Jessie K. Weber, Katherine R. Brown, Billie J. Retzlaff, Alyssa M. Hurd, Heather J. Anderson, Kendra Smallwood

Psychology Faculty Publications

Functional analysis methods allow clinicians to determine the variable(s) that maintain destructive behavior. Previous reviews of functional analysis outcomes have included large samples of published and unpublished datasets (i.e., clinical samples). The purpose of this review was to conduct a large retrospective consecutive controlled case series of clinical functional analyses. We sought to identify the prevalence of differentiation, procedural modifications for undifferentiated and differentiated cases, and identified function(s) of destructive behavior. In addition, we extended the existing literature by determining whether functional analysis differentiation and function varied when single or multiple behavior topographies were consequated in the functional analysis. We …

The George-Anne Reflector Magazine Newsletter, Georgia Southern University

George-Anne Media Group: Newsletters & Magazines

No abstract provided.

Liberalism Against Itself: Cold War Intellectuals And The Making Of Our Times – Review, Atreyee Majumder

Popular Media

Book Review: Samuel Moyn, Liberalism Against Itself: Cold War Intellectuals and the Making of Our Times (Yale University Press 2023).

Excerpt:

"In Liberalism Against Itself: Cold War Intellectuals and the Making of Our Times, Samuel Moyn dissects intellectual battles within Cold War liberalism through six key figures: Judith Shklar, Isaiah Berlin, Karl Popper, Gertrude Himmelfarb, Hannah Arendt and Lionel Trilling. Teasing out their complex relationships with Enlightenment ideals, historicism, Freudianism and decolonisation, Moyn’s masterful group biography sheds light on the evolution of liberalism and the cause of the Red Scare."

Parents' Experiences At A Mathematics Workshop Focused On K-2 Content, Abigail W. Wilkerson

Honors College Theses

Parents’ beliefs towards math have been shown to impact their children’s academic achievement in the subject (Elliott & Bachman, 2018; Maloney et al., 2015). With the constant changing of math standards, the math taught in today’s schools may be different from the way parents were taught math. This change can lead to feelings of discomfort or nervousness when the subject is brought up. A parent workshop geared towards helping parents better understand the way math content is being taught can help them to feel more comfortable with math and more prepared to help their children. To help combat this issue, …

Relationship Between Knowledge, Years Of Licensure, And Attitudes Of Midwives About Female Genital Mutilation And Its Prevalence Among Their Patients In Bawku, Ghana, Frank Debrah

Walden Dissertations and Doctoral Studies

Female genital mutilation (FGM) is one of the hindrances to girls' development. FGM is often a rite of passage between childhood and adulthood. This cross-sectional study examined the relationship between the knowledge, years of licensure, and attitudes of midwives regarding FGM and the prevalence of FGM among their patients in Bawku, Ghana. Bronfenbrenner's social ecological model served as the theoretical framework to describe the link between midwives' knowledge, attitude, years of licensure, and FGM prevalence. The knowledge and attitude of midwives were classified as exosystem factors. Hence, their direct interaction with patients is likely to affect the patient's practice of …

Sustaining And Increasing Participation Of Rural Seniors In A Senior Center, Michelle L. Fontaine

Walden Dissertations and Doctoral Studies

This case study’s objective was to sustain and increase senior participation in senior center activities by examining the rural senior perception of environmental needs and support of a local senior center. Senior centers assist with aging in place well and aid seniors to be socially active within their communities. Much of the literature around senior centers has focused on urban environments and not on the specific needs of the rural senior. In this study, 24 individuals were interviewed. The questions examined the seniors’ perception about the functionality and accessibility of the senior center to meet their physical and social needs …

The Contributions Of Nuevomexicanas To New Mexico Lowrider Culture, Traditions, And Rituals: The Significance Of Young Chicana Cultural Pachuca And Chola Aesthetics And Identity Expression In The Albuquerque Lowrider Community, Valerie J. Chavez

Chicana and Chicano Studies ETDs

The lowrider community in Albuquerque creates a space for families and individuals to gather and express themselves within Chicana/o/x culture. Nuevomexicanas have played a significant role in the teaching and preservation of the New Mexican traditions and rituals of lowriding. This research project is a visual and plática-based study. It explores how young Nuevomexicanas express their Chicana identity through la pachuca and chola cultural aesthetics and identity while actively participating in lowrider culture. This project utilizes the research methods of la resolana, querencia, and plática to understand, discover, and document the roles of young Nuevomexicanas in the Albuquerque …

Teaching "Is This Case Rightly Decided?", Steven Arrigg Koh

Faculty Scholarship

“Is this case rightly decided?” From the first week of law school, every law student must grapple with this classroom question. This Essay argues that this vital question is problematically under-specified, creating imprecision in thinking about law. This Essay thus advocates that law professors should present students with a three-part framework: whether a case is rightly decided legally, morally, or sociologically.

Additionally, this Essay argues that disaggregating the question exposes deeper deficiencies in legal education. Many law professors do not provide students with serious grounding to engage in rigorous thinking about the relationship between law, morality, and justice, not to …

Enhancing Library And Information Centres: Efficient Methods For Texts And Images Recognition In Digital Era, Oladotun Ayowumi Osunkentan, Peace Caleb Morakinyo

Library Philosophy and Practice (e-journal)

This study explores the latest advancements in efficient text and image recognition methods, highlighting their significance and potential applications in libraries and information centers. This study delve into cutting-edge technologies, such as deep learning and computer vision, which have revolutionized how text and images are recognized and interpreted. In the ever-evolving digital landscape, the need for efficient methods for text and image recognition has become paramount. With the proliferation of digital content across various platforms and the exponential growth of data, the ability to accurately and rapidly identify, process, and understand text and images has significant implications for numerous fields, …

Non-Adherent Dressings To Make Skin Flaps Stick, Yelena Dokic, Suzanna Alkul, Ikue Shimizu, Jennifer Song Ranario

Faculty, Staff and Students Publications

No abstract provided.

Treating Sex And Gender Differences As A Continuous Variable Can Improve Precision Cancer Treatments, Wei Yang, Joshua B Rubin

2020-Current year OA Pubs

BACKGROUND: The significant sex and gender differences that exist in cancer mechanisms, incidence, and survival, have yet to impact clinical practice. One barrier to translation is that cancer phenotypes cannot be segregated into distinct male versus female categories. Instead, within this convenient but contrived dichotomy, male and female cancer phenotypes are highly overlapping and vary between female- and male- skewed extremes. Thus, sex and gender-specific treatments are unrealistic, and our translational goal should be adaptation of treatment to the variable effects of sex and gender on targetable pathways.

METHODS: To overcome this obstacle, we profiled the similarities in 8370 transcriptomes …

Brief Report: Substance Use Care Continuum In Women With And Without Hiv In The Southern United States, Aditi Ramakrishnan, Ayako W. Fujita, C. Christina Mehta, Tracey E. Wilson, Steve Shoptaw, Adam Carrico, Adaora A. Adimora, Ellen F. Eaton, Deborah L. Jones, Aruna Chandran, Anandi N. Sheth

2020-Current year OA Pubs

BACKGROUND: Substance use (SU) contributes to poor outcomes among persons living with HIV. Women living with HIV (WWH) in the United States are disproportionately affected in the South, and examining SU patterns, treatment, and HIV outcomes in this population is integral to addressing HIV and SU disparities.

METHODS: WWH and comparable women without HIV (WWOH) who enrolled 2013-2015 in the Women's Interagency HIV Study Southern sites (Atlanta, Birmingham/Jackson, Chapel Hill, and Miami) and reported SU (self-reported nonmedical use of drugs) in the past year were included. SU and treatment were described annually from enrollment to the end of follow-up. HIV …

Clinical Implications Of Inaccurate Potassium Determination In Hemolyzed Pediatric Blood Specimens, Dennis J Dietzen, Ronald Jackups, Mark A Zaydman

2020-Current year OA Pubs

BACKGROUND: Analysis of whole blood specimens is rapid and saves blood, but hemolysis may go undetected and compromise the accuracy of potassium measurement. We aimed to define the frequency and magnitude of error in whole blood potassium measurement.

METHODS: 34 months of whole blood and plasma potassium data were extracted from patients aged less than 2 years at the time of sample acquisition. Hemolysis was detected using the plasma "H index." The magnitude of potassium bias was estimated from the difference between paired whole blood and plasma measurement separated by less than 2 h.

RESULTS: 56,000 of the 105,000 data …

Joint Energy And Security Optimization In Underwater Wireless Communication Networks, Kazi Y. Islam, Iftekhar Ahmad, Yue Rong, Daryoush Habibi

Research outputs 2022 to 2026

Underwater wireless communication networks (UWCNs) can support a wide range of applications in the underwater domain, including mining and drilling, coastline monitoring, border surveillance, and submarine/mine detection. Some of these applications are sensitive in nature (e.g., military) and demand stringent security requirements for data communications. In order to prevent malicious attacks (e.g., jamming) in these UWCNs, robust security countermeasures must be implemented. Additionally, sensitive data communications must be protected. However, computationally expensive security protocols, such as encryption, can severely shorten UWCN lifetime, where battery-powered nodes already suffer from scarce energy supplies. In this work, we exploit content caching as a …

Corrosion And Passivation Behavior Of Laser Powder Bed Fusion Produced Ti-6al-4v Under Various Prior Plastic Deformation Strains, P. Qin, L. Y. Chen, Y. J. Liu, S. X. Liang, H. Sun, L. C. Zhang

Research outputs 2022 to 2026

This work investigated the corrosion behavior of LPBF-produced Ti-6Al-4V under varying compression strains in a 3.5 wt% NaCl solution. It identifies that increasing compression strain causes significant alterations in the acicular a'-Ti phase (coarsening, breakage, and further coarsening). Corrosion resistance decreases with higher strains due to deformed a'-Ti phases, leading to increased film growth kinetics (from 0.09× 10−10 cm2/s increase to 12.75 × 10−10 cm2/s). Samples under higher strains (e.g., 32%) exhibit fluctuations in corrosion behavior due to initiated cracks and subsequent crevice corrosion. These findings are vital for understanding LPBF-produced Ti-6Al-4V in applications requiring mechanical strength and corrosion resilience.

Integrative Assessment And Prediction Modeling For Injury Risk Mitigation In Division 1 Female Soccer Athletes: A Comprehensive Approach Utilizing Wearable Technology, Joseph Amitrano, Juqi Lin, Gina Lewandowski, Lauren Calabrese, Dhruv Seshadri

International Journal of Exercise Science: Conference Proceedings

There is a pressing need for effective injury prevention methods to mitigate time-loss injuries. This study aims to develop a predictive recovery model for Division 1 female soccer athletes by integrating physiological, biomechanical, and subjective wellbeing assessments. PURPOSE The growing popularity of women's sports, particularly soccer, has brought the critical issue of injury risk management. While existing literature underscores the importance of maintaining an optimal acute to chronic workload ratio (ACWR) to mitigate injury risks, there remains a gap in understanding additional predictive metrics for athlete health. This deficit is pronounced in the context of women's soccer, where research focusing …

Leveraging Wearable Technology For Physiological Modeling In Guiding Return To Play Protocols For Athletes Post-Acl Reconstruction Surgery, Dhruv Seshadri, Milad Zarrinfar, Marco Giuliani, Kevin Cahill, Joseph Amitrano

International Journal of Exercise Science: Conference Proceedings

There is a clinical need to quantify return to play when assessing athletes’ post-surgery. This study aims at developing physiological models to predict recovery time post-Anterior Cruciate Ligament (ACL) surgery in Division 1 Football players by integration of physiological and subjective data. PURPOSE Amidst the pressure to excel in top athletic competitions, athletes frequently endure ligamentous injuries, notably ACL tears. Yet, there's no standard method for quantifying return-to-play post-ACL reconstruction, leaving rehabilitation without an objective measure to assess athletes' readiness. Holistic assessment integrating physiological and subjective measurements can facilitate return prediction. METHODS This case study evaluates two Division 1 football …

Comparing The Effect Of N-95 Vs Surgical Mask Use On Resting Metabolic Data Changes, Robert Steinberg, Alexander Rothstein, Amerigo Rossi, Alyssa Hillian, Joanne Difrancisco-Donoghue

International Journal of Exercise Science: Conference Proceedings

Face masks reduce the spread of viral respiratory particles, however, their impact on respiratory physiology requires further research. Previous studies reported negative changes in gas exchange data when wearing a surgical mask, however, breath-by-breath data has not been analyzed. PURPOSE: To compare physiological changes when wearing an N95 mask and surgical mask at rest. Variables measured include oxygen consumption (VO2), carbon dioxide ventilation (VC02), respiratory exchange ratio (RER), heart rate (HR), respiratory rate (RR), minute ventilation (MV), and discomfort. METHODS: 42 subjects ages 18-55 (19 men; age 22.98±3.83) were recruited. Exclusion criteria was a history of metabolic disease/claustrophobia. Respiratory and …

Responsiveness Of The Sit-To-Stand Test To Measure Lower Body Power, Jose Antonio Tan

International Journal of Exercise Science: Conference Proceedings

Muscle power declines at a faster rate and demonstrates a stronger association with physical function than strength, emphasizing the growing importance of assessing muscle power. The Sit-to-Stand (STS) test is a novel test to measure lower body power that is valid and reliable, while also being portable and affordable. However, its responsiveness to change or longitudinal validity is unknown. PURPOSE: To examine the responsiveness to change of the Sit-to-Stand test in comparison to the pneumatic leg press in measuring lower body power. METHOD: 23 community-living adults, aged 50-80, were recruited. Participants underwent a full body strength training workout twice a …

Advanced Management Of Complex Foot Pathology In A Senior Athlete—Recreational, Samuel R. Vilmeau, Bill Siddiq, Nikolaos Gravvanis, Blake Leblanc, Zacharias Papadakis, Andreas Stamatis

International Journal of Exercise Science: Conference Proceedings

History: An active 78-year-old male, with a background as a recreational athlete, presented with acute onset of left foot pain, following an event of mechanical stress characterized by a popping sensation. His extensive medical history included interventions for systemic and musculoskeletal disorders, notably a carotid artery dissection and hip arthroplasty. Lifestyle factors included past smoking and minimal alcohol use. He reported a recent corticosteroid intervention of his left mid-foot for chronic discomfort.

Physical Examination: Orthopedic assessment revealed moderate left anteromedial ankle swelling and ecchymosis with palpable tenderness. A comprehensive evaluation of his lower extremity mechanics showed preserved strength …