Digital Commons Network^™

Research On Resonance Mechanism And Suppression Method Of Heric Soft -Switching Inverter, Yu Han, Qian Li, Yingjie Wang, Bolin Yan, Li Jiang, Yao Sun

Journal of Electric Power Science and Technology

To improve the operational efficiency of the highly efficient and reliable inverter concept （HERIC），auxiliary branches are often introduced to achieve zero voltage switching （ZVS） of the power switches.However，when the auxiliary branches realize soft switching，the parasitic capacitance of the auxiliary switch resonates with the auxiliary inductance，which aggravates the voltage stress on the auxiliary switch and affects the safe operation of the circuit.To address this issue，a clamping technique is proposed to mitigate the additional voltage stress caused by resonance.First，the resonance mechanism of the inverter is analyzed，and the potential difference between the auxiliary branch and the direct current （DC） bus is calculated under …

Flexible Interconnected System Location Of Distribution Networks And Interconnection Power Optimization Based On Power Moment, Jindong Yang, Xiran Zhang, Chaohang Ren, Fei Rong

Journal of Electric Power Science and Technology

Flexible interconnection of distribution networks can achieve dynamic capacity expansion of transformers，which is an effective way to improve the power quality of new distribution networks.This paper proposes a method for selecting interconnection points based on the minimum power moment，which comprehensively considers the source load state and its complementary relationship in the distribution network，obtaining the optimal interconnection point in the corresponding state.The location of the optimal interconnection point for the quasi full life cycle is obtained by employing the difference in load rates of interconnection lines during different periods throughout the year as the weight coefficient.Based on the proposed interconnection node，a …

Static Voltage Optimization For Active Distribution Networks Based On Sobol ’S Method, Zifa Liu, Heyang Huai, Yusen Yao, Mengni Ye

Journal of Electric Power Science and Technology

In active distribution networks，the uncertainty of a large number of distributed energy resources increasingly accentuates voltage stability issues.Existing optimization methods typically treat the economic efficiency and voltage stability of distribution networks independently，seldom considering their interconnection，which hampers the efficient utilization of flexible resources.An interlayer connection factor is introduced，and a bi-layer voltage optimization model for distribution networks based on the Sobol ’s method is proposed.Firstly，a probabilistic load flow calculation model in active distribution networks that considers distributed energy resources in the networks and the load uncertainty is constructed，and the impact of load fluctuations on the L-index is quantitatively analyzed through global sensitivity …

Market Stochastic Delay Evolutionary Game Of Multi -Agent Bidding And Its Application In Electrocarbon Coupling Market, Shuaibo Zhang, Fei He, Dejing Zong

Journal of Electric Power Science and Technology

As carbon emission trading becomes more and more important to promote the transition to a low-carbon economy in the electric power system，the bidding strategy among new energy producers，fossil energy producers，and community aggregators in the electrocarbon market has changed significantly.In view of the stochastic fluctuations shown by bidding behaviors of different agents in the market and the lagging benefits generated by carbon quotas，a stochastic delay differential equation （SDDE） model is established.Gaussian white noise and time-delay terms are introduced to simulate the dynamic evolution of the bidding process between three different firms，and the change law of the lag time threshold and the …

Research On Optimization Of Electric Vehicle Charging Scheduling In Rainy Season Based On Peak Valley Difference Electricity Price Model, Zhikun Luo, Wenhao Ye, Yaohong Chen, Qin Yan, Shusheng Wu, Jinxin Wang

Journal of Electric Power Science and Technology

To address the issues of increased energy consumption of electric vehicles，grid load，and peak valley difference caused by high humidity and temperature in the rainy season in Southern China，a charging price model based on peak valley difference is proposed to stimulate electric vehicles to participate in demand response，so as to stabilize the peak valley difference of grid load and improve the economic benefits of electric vehicle users.Firstly，the Monte Carlo simulation is used to analyze and predict the disordered charging load of electric vehicles，considering factors such as high temperature and humidity during the rainy season in Southern China.Then，a peak-valley differential charging price …

Method For Fault Traveling Wavefront Calibration Based On Improved Optical Voltage Transformer, Feng Liu, Yuzhao Wu, Xiaobo Li, Tiantian Cai, Junjian Chen, Ye Kuang, Yuji Wang, Qiaohui Zhang, Ying Zhang, Jiachen Zeng

Journal of Electric Power Science and Technology

To address the restricted frequency band of existing electromagnetic potential transformers in transmitting fault traveling wave signals and the susceptibility of fault traveling wavefront calibration to noise interference，a fault traveling wavefront calibration method based on an improved optical voltage transformer is proposed.Firstly，the demodulation and conditioning circuits of the optical voltage transformer are improved to amplify fault traveling wave signals while reducing the influence of birefringence interference signals，thereby enhancing the transmission accuracy of traveling wave signals.Subsequently，the improved complete ensemble empirical mode decomposition with adaptive noise （ICEEMDAN ） is introduced to decompose the transmitted fault traveling wave signals，reducing noise interference in the …

Method For Generating Medium And Long -Term Photovoltaic Output Scenarios Based On Generative Adversarial Networks, Tingji Guan, Pingping Luo, Jikeng Lin, Chaoli Zhang

Journal of Electric Power Science and Technology

A new method for generating medium and long-term photovoltaic output scenarios based on generative adversarial networks is proposed to address the problem of high variable dimensions in generating annual photovoltaic output sequence scenarios.Firstly，the fuzzy C-means clustering （FCM） algorithm is used to divide daily meteorological states，and the temporal nature of daily meteorological information is simulated based on generative adversarial networks.Then，a state division network is introduced，and a state generative adversarial network is constructed to simulate the distribution pattern of meteorological states during the week.Photovoltaic output sequence scenarios are generated by layering from weekly and daily scales.Finally，historical meteorological and photovoltaic output data from …

Anomaly Warning Of Gearbox Oil Temperature In Wind Turbine Generator System Based On Iforest -Dbscan -Rf And Optimized Catboost, Liangyu Ma, Likai Han, Liangliang Zhai

Journal of Electric Power Science and Technology

Data cleaning，feature selection，and the estab lishment of a prediction model are indispensable steps to realize anomaly warning of the wind turbine generator system based on data collection and supervisory control and data acquisition （SCADA）.Firstly，isolated forest （iForest） and density-based spatial clustering of applications with noise （DBSCAN ） algorithm are combined to effectively clean the data outliers of SCADA，and random forest （RF） and Pearson correlation coefficient method are used to optimize the input parameters of the model.Based on the categorical boosting （CATBoost ） algorithm optimized by Optuna，a prediction model of gearbox oil pool temperature in the wind turbine generator system under normal …

Equivalent Inertia Estimati On Of Electric Power System Considering Virtual Inertia Of Wind Power, Pin Gping Luo, Jie Chen

Journal of Electric Power Science and Technology

Large-scale wind power i ntegration weakens the inertia level of the electric power system and brings challenges to the frequency stability of the electric power system.It is urgent to accurately estimate the inertia level of the system to ensure its safe operation.Therefore，an equivalent inertia estimation method of an electric power system considering the virtual inertia of wind power is proposed.Firstly，the inertia response of the synchronous generator and wind turbine is analyzed，and the principle of system equivalent inertia estimation is explained.Secondly，the Box-Jenkins model is used to dynamically model the power generation device.Based on the active-frequency disturbance data at the connecting bus …

First Principles Molecular Dynamics Simulations Of Infrared And Raman Vibrational Spectra Of H5o2 +, D5o2 +, Dh4o2 +, And D4ho2 + From 50 To 300 K, Oluwaseun Omodemi, Martina Kaledin

Faculty Articles

We report molecular dynamics simulations of infrared (IR) and Raman spectra of H5O2+ and its deuterium-substituted analogs. We use the well-tested HBB potential and dipole surfaces along with a recently fitted polarizability surface of CCSD(T)/aug-cc-pVTZ quality. The focus of the present work is to provide new insights into the O···O stretch region, located in the [500–700] cm–1 spectral range, by means of analyzing the spectra over a broad range of temperatures: from 50 to 300 K. Also, rovibrational thermal averaging was performed to untangle the unusually complex spectra of partially deuterated isotopologues DH4O2+ and D4HO2+ with H and D minority …

The New Nil Deals In College Sports, Anna Mestel

Cardozo Journal of Conflict Resolution (CJCR) Blog

The world of college sports is undergoing a major transformation with the introduction of new rules governing Name, Image, and Likeness (“NIL”) deals. NIL refers to a college athlete’s right to profit from the commercial use of their name, image, and likeness as part of their personal brand. Prior to 2021, student-athletes were prohibited from entering into agreements that allowed them to profit from their fame. That changed in 2021, when athletes were granted NIL rights and permitted to monetize their athletic ability. Today, athletes sign major contracts not only with traditional sports brands such as Nike and Adidas, but …

Associations Between Occupation Of World Trade Center Responders And Ptsd Prevalence And Symptom Expression, Jonah K. Luby

Master's Theses or Doctor of Nursing Practice

The World Trade Center attacks on September 11th, 2001, had a drastic impact on American culture across many different mediums. Among those impacted, first responders experienced intense responsibilities beyond the bounds of typical expectation and training, putting them particularly at risk for Post Traumatic Stress Disorder. PTSD in first responders is often examined on a wide scale, where all types of responder roles are compared to the general population or within their individual groups. This study examined the association between occupation of responders at the time of the 9/11 terrorist attacks and PTSD prevalence and symptom expression. Patterns of symptoms …

Digital Storytelling: A Group Experience With Self-Identified Adult Survivors Of Trauma, Crystal Rose Purcell Spiegel

Expressive Therapies Dissertations

Digital Storytelling: A Group Experience with Adult Survivors of Trauma is a phenomenological and art-based inquiry with adults (N = 7) who attended a hybrid, Zoom and in-person five-week digital storytelling workshop in two separate groups. Group One (n = 5) was conducted three months prior to Group Two (n = 2). The research question was: How do self-identified adult survivors of trauma who are in therapy experience a trauma-informed 5-week digital storytelling group workshop? Over the five weeks, participants engaged in orally sharing personal stories, writing personal stories, organizing visuals and sound for their stories, editing individual short videos, …

Comparison Of Pelvic Floor Muscle Strength In Women With Vaginal Delivery And Caesarean Section After 1–3 Years: A Retrospective Cohort Study, Zahra Sharifi, Farzaneh Pazandeh, Giti Ozgoli, Marzieh Bagherinia

Sultan Qaboos University Medical Journal

Objectives: This study aimed to compare pelvic floor muscle strength (PFMS) in women who had vaginal delivery with episiotomy and those who underwent planned caesarean section 1–3 years postpartum. Methods: This retrospective cohort included 208 women from Taleghani Hospital, Arak, Iran, recruited by purposive sampling between May and August 2022. Participants were allocated to two groups: 104 with vaginal delivery and episiotomy and 104 with planned caesarean section. Data were collected using a sociodemographic questionnaire and a perineometer to assess PFMS. Statistical analyses used the independent-samples t test and multiple linear regression. Results: The mean (± standard deviation) PFMS was …

Rtx-303, An Orally Bioavailable Polθ Polymerase Inhibitor That Potentiates Parp Inhibitors In Brca Mutant Tumors, Gurushankar Chandramouly, William Fried, John Gordon, Douglas Ralph, Channita Keuk, Sangeeta Kumari, Mercy Ramanjulu, William Auerbacher, Leonid Minakhin, Taylor Tredinnick, Bernadette Tiberi, George Morton, Robert Betsch, Kathy Q. Cai, Umeshkumar M Vekariya, Mrityunjay Tyagi, Tomasz Skorski, Sergey Karakashev, Neil Johnson, Wayne E. Childers, Xiaojiang S. Chen, Richard T. Pomerantz

Department of Biochemistry and Molecular Biology Faculty Papers

DNA polymerase θ (Polθ) is a polymerase-helicase fusion protein that is synthetically lethal with homologous recombination (HR) factors, such as BRCA1/2, and confers resistance to PARP inhibitors (PARPi) and other genotoxic cancer therapies. Previously developed Polθ polymerase (Polθ-pol) inhibitors (Polθi) exhibited limited pharmacological activity and metabolic stability, warranting the development of a Polθi with improved drug-like properties. Here, we developed RTx-303, a selective allosteric small-molecule Polθ-pol inhibitor that exhibits 5.1 nM IC50, 88% oral bioavailability, and a prolonged half-life along with its equipotent metabolite. X-ray crystallography highlights the development of a solvent-exposed side-chain that is essential for the optimal drug-like …

Defining Endotypes Of Bronchopulmonary Dysplasia In Preterm Infants To Improve Precision-Based Therapies., Megha Sharma, Gangaram Akangire, Noah H. Hillman, Winston M. Manimtim, Mark Ivan Attard, Venkatesh Sampath

Manuscripts, Articles, Book Chapters and Other Papers

Bronchopulmonary dysplasia (BPD) remains a debilitating disease in premature infants. The chronic pathogenesis of BPD with complex prenatal and postnatal programming challenges attempts at precisely defining or treating disease. While existing BPD definitions categorize disease severity, a lack of consideration of disease heterogeneity and endotypes has contributed to the failure of clinical trials to improve BPD outcomes. Recent studies have used advanced lung imaging techniques, echocardiography, and lung function tests to identify airway, parenchymal, and vascular BPD endotypes. These endotypes carry different prognoses and require endotype-specific treatment strategies to optimize infant outcomes. In this Review, we focus on the pathogenic …

Increasing Opportunities For Community Input In Harm Reduction Program Development Using Iterative Engagement., Nicole M. Wagner, Jordan A. Carlson, Meagan Bean, Amy Wineland, Joshua Blum, Scott A. Cardona, Sheila Covarrubias, Allison Kempe, Abby C. King, Amy G. Huebschmann

Manuscripts, Articles, Book Chapters and Other Papers

BACKGROUND: Incorporating people who use substances into a community-engaged research process can support the implementation and evaluation of evidence-based harm reduction programs. Attending to their voice ensures those who need these programs will use them. Yet, ongoing co-learning with people who use substances, often the ideal for community engaged research, poses a challenge for recruitment, ongoing participation, and obtaining diverse perspectives. We need novel strategies to support flexibility among populations experiencing legal and social instability so that community engaged work includes more diverse perspectives. In this paper, we describe a novel community engagement approach called Effective Adaptable and Sustainable in …

Findings Of An Academic Well-Being Pilot Program, Rayna M. Letourneau, Stacy Pryor

Creating Healthy Work Environments (CHWE)

This pilot program utilized a combination of strategies to enhance the well-being of prelicensure nursing students enrolled in a baccalaureate program in the southeastern United States. The aim of the program was to increase well-being, resiliency, and mindfulness while decreasing burnout.

Detailed abstract attached.

An End-Of-Life Work-Based Quality Improvement Project To Enhance Posttraumatic Growth In Hospital Employees During Covid-19, Emily E. Calabro, Brittany Zimmerman

Creating Healthy Work Environments (CHWE)

Hospital employees are at a heightened risk for posttraumatic stress because of the increased exposure to death and dying during the COVID-19 pandemic. We examined whether an EOL program would enhance an employee’s ability to cope with the pandemic stressors and experience existential growth over time.

Detailed abstract attached.

Nutritional Management Of The Complex Fontan Physiology Patient In The Pre-Transplant Phase, Mona Kasik, Jill Rockwell

2025

No abstract provided.

Identity Styles Moderate The Role Of Insecure Attachment Dimensions On Internalizing Behaviors, Hans Saint-Eloi Cadely, William Vega, Joe F. Pittman, Sue K. Adams

Human Development and Family Science Faculty Publications

The present study examined how identity styles and romantic attachment dimensions predict internalizing problems among 456 college students. Results indicated that the diffuse-avoidant identity style was positively associated with depressive symptoms, whereas the normative identity style was negatively related to generalized anxiety. Anxious attachment was positively related to both internalizing problems, and avoidant attachment was related positively only to depressive symptoms. Interaction results revealed that a stronger diffuse-avoidant identity style strengthened the relationship between anxious attachment and depressive symptoms. A stronger informational identity style led to a significant association between the avoidant dimension and both internalizing behaviors. Lastly, for those …

Enhancing Cyberattack Resiliency Through The Radiotherapy Backup And Recovery Dashboard Tool, Justin Pijanowski, Eric Nguyen, Yasin Abdulkadir, Justin Hink, Yevgeniy Vinogradskiy, James Lamb

Department of Radiation Oncology Faculty Papers

PURPOSE: Radiation Oncology departments impacted by recent cyberattacks were unable to access data backups or their Record and Verify (R&V) system and therefore faced challenges to resume patient treatments in a timely manner. We present a novel software tool that backs-up critical radiotherapy treatment information and displays essential information for on-treatment patients in an intuitive and accessible dashboard allowing clinics to continue radiotherapy treatments. The purpose of this report is to describe implementation details, challenges, and share open-source code to facilitate radiation oncology clinics' efforts to develop tools to improve cyberattack resiliency.

METHODS: The Radiotherapy Backup and Recovery Dashboard Tool …

Money And Federalism, Dan Awrey

Duke Law Journal

The United States is the only country in the world in which both federal and state governments possess independent and yet overlapping authority for bank chartering, regulation, and supervision. The roots of this unique "dual" banking system can be traced back to the Constitution, written almost a century before banks rose to the apex of the financial system and became the dominant source of money. Beginning with the landmark Supreme Court decision in McCulloch v. Maryland, this system has been a wellspring of jurisdictional conflict. Yet over time, this highly fragmented and hotly contested system has also produced strong …

The Second Amendment's Catholic Problem, Jared Danaher

Duke Law Journal

After New York State Rifle & Pistol Association v. Bruen, history is the touchstone of Second Amendment analysis. Thus, this Note explores an understudied part of America's long and complicated history with weapons: Catholic disarmament. By undertaking a detailed historical analysis of three Catholic disarmament measures in the late colonial United States, this Note attempts to determine what the history means for present day firearms law. It concludes that even though courts frequently cite America’s history of Catholic disarmament, they rarely use it in a historically accurate way. Modern courts use Catholic disarmament to justify weapons bans on people …

Sticker Shock Due Process, Alex Dougherty Neumann

Duke Law Journal

To address undesirable conduct like infringing a copyright or placing a robocall, legislatures have created statutory causes of action that enable plaintiffs to file private suits. Instead of needing to prove actual damages from a defendant's conduct, many statutory causes of action allow a plaintiff to pursue a predefined damages amount per statutory violation. The damages are known as statutory damages, and their elegance lies in how they scale linearly, or one-to-one, with every violation by a defendant. But in the digital age, where automated technologies can generate millions of violations without human oversight, courts are now confronting monstrous aggregate …

Geometry And Analysis Of The Grusin Operator, Gustavo Hoepfner, Andrew Raich

Mathematical Sciences Faculty Publications and Presentations

In this paper we introduce a new technique for analyzing the heat kernel associated to the Grusin Laplacian. We prove pointwise estimates for arbitrary derivatives of the Grusin heat kernel and the resolvent in terms of the control distance associated with the Grusin operator. Our technique is based on the globalL(1)-Gevrey method.

The British Photographic Industry And The Roles Of Women 1840-1920: A Survey, Michael Pritchard

Art Inquiries

This essay surveys the role of women within the British photographic industry to 1920 and attempts to quantify the numbers involved, their roles and how they were perceived by contemporary commentators. In common with so much of nineteenth century arts and sciences women are rarely present having been excluded by legal constraints on wealth and property, from the membership of professional bodies, and by being ignored by the contemporary press, this essay provides substantive numbers emphasising their significance.

Safe In The Storm Or Making Waves? Safe Harbor & High-Stakes Communication, Delia L. Abbott

Creating Healthy Work Environments (CHWE)

Organizations focused on a safety culture, who strive to create a just culture can achieve a work environment where nurses feel heard and encouraged to raise safety concerns. Collaborative communication when Safe Harbor is invoked results in a healthier, safer work environment for patients and nurses.

Detailed abstract attached.

Organ Procurement Perioperative Education: Reinforcing Competencies And Alleviating Anxiety Among Team Members, Dave Picardo Calubaquib, Nicole Bender

Creating Healthy Work Environments (CHWE)

The perioperative team-consisting of the registered nurse, certified surgical technologist, and perioperative nursing assistants-work collaboratively to ensure high-quality and safe patient care. Most of the members of the team are feel anxious when dealing with organ procurement because of the complexity of the procedure and needs.

Detailed abstract attached.

The Impact Of Healthy Work Environment Training On Nursing Incivility For Bsn Students' Self-Efficacy, Michelle Hall, Robin Lockhart

Creating Healthy Work Environments (CHWE)

Healthy Work Environment (HWE) first means Healthy Academic Environment for a nursing student. Interventions to understand what a Healthy Work Environment is for a nurse are a means of tackling nursing incivility during nursing school and further into a nurse’s career.

Detailed abstract attached.