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Post-Traumatic Myelin Oligodendrocyte Glycoprotein Antibody Optic Neuritis: A Case Report, Saif A. Hamdan, Jaime Nassur, Sarah E. Thornton Aug 2025

Post-Traumatic Myelin Oligodendrocyte Glycoprotein Antibody Optic Neuritis: A Case Report, Saif A. Hamdan, Jaime Nassur, Sarah E. Thornton

Wills Eye Hospital Papers

PURPOSE: Myelin oligodendrocyte glycoprotein (MOG) antibody-associated disease (MOGAD) has recently been distinguished as its own disease entity separate from other demyelinating diseases. This case report highlights the possible association of orbital trauma with the development of MOG antibody (MOG-IgG) optic neuritis.

OBSERVATIONS: A 31-year-old male with no significant ocular history presented with blurry vision in the right eye four weeks after a motorcycle crash. Right eye examination was notable for a significant decrease in visual acuity with a relative afferent pupillary defect and circumferential disc elevation on fundoscopy. An extensive workup, including imaging and serology, revealed optic neuritis with a …


Precarious Privilege: Exploring The Intersection Of White Teacher Habitus And Social Justice In International Schools, Kevin L. Workman Aug 2025

Precarious Privilege: Exploring The Intersection Of White Teacher Habitus And Social Justice In International Schools, Kevin L. Workman

Dissertations

This qualitative study explored the underresearched phenomenon of White teacher allyship within an emergent diversity, equity, inclusion, and justice (DEIJ) movement in international schools. Gaining momentum in 2020 as a digital, postcolonial counterstory, the movement exposed structural inequities and racism across the international school ecosystem. Applying an antiracist reading of Bourdieu’s (1977) theory of practice, the study analyzes how White teachers (n = 8) from diverse international contexts understand, experience, and assess their participation in DEIJ activities. Thematic analysis of interview data corroborated the digital voices, explicitly identifying White supremacy as a key force shaping the field’s doxa. The study …


Archival Articulations Of Belonging: Resistance, Reimagination, And Resilience In School And In Incarceration, Caroline Hastings Aug 2025

Archival Articulations Of Belonging: Resistance, Reimagination, And Resilience In School And In Incarceration, Caroline Hastings

Dissertations

Belonging is a universal desire, providing purpose and comfort, that supports our ability to survive and triumph through difficulty. A lack of belonging can impact one’s likelihood of becoming incarcerated. In turn, incarceration stigmatizes individuals and disrupts connections with family, friends, and community members. This study of individual’s experiences of belonging analyzed reflective written accounts created during incarceration. This phenomenological qualitative examination of belonging for formerly and currently incarcerated individuals, disproportionately people of color and individuals with disabilities, sought to deepen our understanding of belonging as a force in their lives. In the United States, high rates of incarceration impact …


Draft Final Silver Bow Creek Conservation Area (Sbcca) Construction Quality Assurance Plan (Cqap), Pioneer Technical Services, Inc. Aug 2025

Draft Final Silver Bow Creek Conservation Area (Sbcca) Construction Quality Assurance Plan (Cqap), Pioneer Technical Services, Inc.

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.


The Impacts Of Urban And Rural Education Inequality On Individual Career Development : The Case Of Guangdong Province, Shuang Chen Aug 2025

The Impacts Of Urban And Rural Education Inequality On Individual Career Development : The Case Of Guangdong Province, Shuang Chen

Lingnan Theses (Doctoral degree)

The study focused on the disparity in educational opportunities between urban and rural areas. This has been one of the most debated topics in China, especially when related to Guangdong Province. This dissertation explored how disparities in urban-rural educational outcomes influence individual career attainment and income levels and discusses the broader socio-economic implications of such disparities. This study positioned its analysis within the structural-functionalist framework and underlined how inequities in educational resources affect career outcomes. This focuses on a household registration policy called the hukou system, which has played a crucial role in determining education's access to resources and career …


How Public Education Policies Drive Economic Growth In Asean : An Analysis Of Resource Allocation Theory, Human Capital Accumulation, And Structural Transformation Pathways, Jiacheng Li Aug 2025

How Public Education Policies Drive Economic Growth In Asean : An Analysis Of Resource Allocation Theory, Human Capital Accumulation, And Structural Transformation Pathways, Jiacheng Li

Lingnan Theses (Doctoral degree)

This study examines how public education policies influence economic growth across ASEAN nations through the theoretical lens of resource allocation theory. While ASEAN has maintained an average GDP growth rate of 5.1% since 2000, significant disparities between high-growth and low-growth economies persist in educational investment and outcomes.

Methodologically, the study conducts empirical studies and integrates panel data (1990–2023) across ten member states that underwent spatial econometrics analysis. It dissects three transmission pathways: (1) human capital accumulation enhancing labor productivity via skill development; (2) educational stratification driving industrial restructuring; and (3) spatial spillovers facilitating cross-border knowledge diffusion. These mechanisms are operationalized …


A Comparative Study Of Fgcs And Non-Fgcs In Mainland China : An Analysis Based On The G University, Meihan Tao Aug 2025

A Comparative Study Of Fgcs And Non-Fgcs In Mainland China : An Analysis Based On The G University, Meihan Tao

Lingnan Theses (Doctoral degree)

While Western scholarship on First-Generation College Students (FGCS) is well-established, research on FGCS in mainland China remains underdeveloped, despite the group’s substantial size and critical role in social mobility. This study examines the disparities between FGCS and Non-First-Generation College Students (Non-FGCS) in cultural capital accumulation, university major selection, academic adaptation, and career planning. Grounded in cultural capital theory and social cognitive career theory (SCCT), the study employs a mixed-methods approach, combining qualitative in-depth interviews and quantitative surveys to explore how familial cultural capital influences educational and career trajectories. The research focuses on students from G University in southwest China. Quantitative …


Gendered Challenges In The Chinese Workplace : Examining Maternity Leave And Discrimination Against Working Mothers In Shenzhen, Tianyang Wen Aug 2025

Gendered Challenges In The Chinese Workplace : Examining Maternity Leave And Discrimination Against Working Mothers In Shenzhen, Tianyang Wen

Lingnan Theses (Doctoral degree)

Under the background that labor competition and the society progress become more in-tense, the dilemma of motherhood faced by working women has become increasingly prominent. This dissertation aims to explore gender challenges in the Chinese workplace, in particular the maternity leave system and its impact on discrimination against working mothers. Taking Shenzhen as an example, this study adopts qualitative research methods and systematically examines the challenges faced by working mothers in terms of maternity leave and employment discrimination through in-depth interviews with ten working mothers, seven human resource managers, three corporate employers and three in-depth interviewers. The study found that: …


Pathways To Educational Equality : Insights From China’S Higher Education Stratification And Social Stratification, Qingbin Xu Aug 2025

Pathways To Educational Equality : Insights From China’S Higher Education Stratification And Social Stratification, Qingbin Xu

Lingnan Theses (Doctoral degree)

It is essential to examine the equity of the newly established higher education system and elucidate the reasons and consequences of stratification within the context of China’ higher education and social hierarchy, because in the wake of massification and expansion, China’s higher education system has been seeing alterations in stratification patterns. Through the Status Attainment Model and the Wisconsin Model, this study employs a mixed-method approach that integrates quantitative and qualitative techniques to assess higher education and social inequality in mainland China. The findings indicate that the conventional status attainment model, when subjected to structural equation modelling analysis, reveals that …


Formulation And Impact Of Wellness Tourism Policy On Household Income In Rural China, Zhuoer Zhong Aug 2025

Formulation And Impact Of Wellness Tourism Policy On Household Income In Rural China, Zhuoer Zhong

Lingnan Theses (Doctoral degree)

Following the policy "Health China 2030" issued by the Chinese central government in 2016, wellness tourism has become one of the key strategic industries in China. Presently, research on wellness tourism policy in China generally focuses on market development. At the same time, there is a lack of relevant research on the extent to which policies on wellness tourism pay attention to rural revitalization and its effect on rural households. This study mainly aims to explore the Chinese government's attention to wellness tourism policy and the influence of wellness tourism policies on rural residents' income.

By using quantitative research methods, …


Interview, Bryan Burroughs - July 19, 2025, Jay Glass Aug 2025

Interview, Bryan Burroughs - July 19, 2025, Jay Glass

SUNY Geneseo Health Equity Project

Bryan Burroughs, a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC), shares his journey into psychiatry and advanced nursing practice. In this interview, he reflects on the importance of accessible psychiatric care, breaking stigma around mental health, and centering patient voices in treatment. His story highlights how advanced practice nursing bridges gaps in mental health services and supports holistic, patient-centered therapy.


Interview, Aaliyah El-Amin-Turner - August 11, 2025, Jay Glass Aug 2025

Interview, Aaliyah El-Amin-Turner - August 11, 2025, Jay Glass

SUNY Geneseo Health Equity Project

Dr. Aaliyah El-Amin-Turner, a Licensed Mental Health Counselor and Professor, shares her path into counseling and her commitment to providing accessible, culturally responsive care. In this interview, she reflects on the academic and social barriers she faced, the mentors who helped her grow, and the importance of mental health advocacy within marginalized communities. Her story highlights resilience, empathy, and the role of representation in mental health services.


Interview, Vonda Coney-Jones - July 21, 2025, Jay Glass Aug 2025

Interview, Vonda Coney-Jones - July 21, 2025, Jay Glass

SUNY Geneseo Health Equity Project

Vonda Coney Jones, a Registered Nurse First Assistant in the operating room at Highland Hospital and a certified Sexual Assault Nurse Examiner, shares her journey into nursing and surgical practice. In this interview, she reflects on the challenges she faced as a woman of color in healthcare, the mentors and support systems that sustained her, and the importance of compassion, resilience, and representation. Her story emphasizes both the technical expertise and advocacy roles nurses play in advancing equitable, patient-centered care.


Temporal Trends Of A Cellular Host Response Test For Sepsis And A Comparison With Selected Biomarkers Of Inflammation And Infection, Matthew S. Berlinger, Matt Sorrells, Christopher B. Thomas, Tonya Jagneaux, James E. Walker, Jennifer Daigle, Heather Quiriarte, Youyoung Kim, Guillaume Spielmann, Debbie Robertson, Susan Park Ochsner, Gideon Avornu, Katherine Fenstermacher, Elijah James Kurien, Camille King, Adenine Cembellin-Kao, Chase Yonamine, Querino Maia, Maciej Obrebski, David N. Hager, Roya Sheybani, Henry T.K. Tse, Ajay M. Shah, Robert Scoggins, Hollis R. O’Neal, Richard Rothman Aug 2025

Temporal Trends Of A Cellular Host Response Test For Sepsis And A Comparison With Selected Biomarkers Of Inflammation And Infection, Matthew S. Berlinger, Matt Sorrells, Christopher B. Thomas, Tonya Jagneaux, James E. Walker, Jennifer Daigle, Heather Quiriarte, Youyoung Kim, Guillaume Spielmann, Debbie Robertson, Susan Park Ochsner, Gideon Avornu, Katherine Fenstermacher, Elijah James Kurien, Camille King, Adenine Cembellin-Kao, Chase Yonamine, Querino Maia, Maciej Obrebski, David N. Hager, Roya Sheybani, Henry T.K. Tse, Ajay M. Shah, Robert Scoggins, Hollis R. O’Neal, Richard Rothman

School of Medicine Faculty Publications

Sepsis, a condition characterized by immune dysregulation, is the leading cause of in-hospital mortality and requires rapid treatment. Assessing immune dysregulation has been challenging. The IntelliSep Index (ISI), a novel biomarker which leverages microfluidic deformability cytometry to assess immune activation, has been evaluated as a test for Emergency Department use but it is unclear how the signal evolves as patient condition evolves. In a 47-patient cohort with hospital stays ≤ 14 days, ISI provided a good indicator of disease progression by blinded physician review. ISI trends correlated with clinical improvement over time. During the first 12 h following presentation, ISI …


Cryptococcoid Sweet Syndrome Or Halogenoderma? Highlighting The Crucial Need For Serum Iodine Testing, Jacob R. Kilgore, Jonathan M. Joseph, Addie Walker, William Snider, Nicholas Culotta, Carson Bogatto, Aaron Coulon Aug 2025

Cryptococcoid Sweet Syndrome Or Halogenoderma? Highlighting The Crucial Need For Serum Iodine Testing, Jacob R. Kilgore, Jonathan M. Joseph, Addie Walker, William Snider, Nicholas Culotta, Carson Bogatto, Aaron Coulon

School of Medicine Faculty Publications

No abstract provided.


Hourly Simulated Power Production Data With Snow Loss Model At Queued Utility-Scale Pv Sites Simulated As Single-Axis Tracking Systems In The U.S. Eastern Interconnection For Weather Year 2013, Shelbie Wickett, Ana Dyreson Aug 2025

Hourly Simulated Power Production Data With Snow Loss Model At Queued Utility-Scale Pv Sites Simulated As Single-Axis Tracking Systems In The U.S. Eastern Interconnection For Weather Year 2013, Shelbie Wickett, Ana Dyreson

Simulated Solar Capacity Including Snow Cover in the Eastern U.S.

Using 2013 weather data, we ran PySAM power production simulations for utility-scale PV sites in the U.S. Eastern Interconnection queue. Site IDs, capacities, and locations (counties) were extracted from Lawrence Berkeley National Laboratory’s Queued Up: 2024 Edition dataset. No panel mount information was provided, so all sites were assumed to be single-axis tracking systems. Sites’ latitudes and longitudes were assumed to be the centers of the installation counties. See queued_site_metadata.csv file for individual site metadata.


Hourly Simulated Power Production Data With Snow Loss Model At Queued Utility-Scale Pv Sites Simulated As Single-Axis Tracking Systems In The U.S. Eastern Interconnection For Weather Year 2016, Shelbie Wickett, Ana Dyreson Aug 2025

Hourly Simulated Power Production Data With Snow Loss Model At Queued Utility-Scale Pv Sites Simulated As Single-Axis Tracking Systems In The U.S. Eastern Interconnection For Weather Year 2016, Shelbie Wickett, Ana Dyreson

Simulated Solar Capacity Including Snow Cover in the Eastern U.S.

Using 2016 weather data, we ran PySAM power production simulations for utility-scale PV sites in the U.S. Eastern Interconnection queue. Site IDs, capacities, and locations (counties) were extracted from Lawrence Berkeley National Laboratory’s Queued Up: 2024 Edition dataset. No panel mount information was provided, so all sites were assumed to be single-axis tracking systems. Sites’ latitudes and longitudes were assumed to be the centers of the installation counties. See queued_site_metadata.csv file for individual site metadata.


From Surviving To Thriving: Black Women College Athletes Excelling Beyond Academic Benchmarks At Historically White Institutions, Tracey L. Hathaway Aug 2025

From Surviving To Thriving: Black Women College Athletes Excelling Beyond Academic Benchmarks At Historically White Institutions, Tracey L. Hathaway

Graduate Doctoral Dissertations

Black Women college athletes (BWCAs) at historically White institutions (HWIs) navigate a complex intersection of racialized and gendered experiences that shape their academic, athletic, and social lives. This qualitative study explored how BWCAs defined success, navigated systemic challenges, and leveraged holistic support to thrive. Using critical race feminism (CRF) as the guiding theoretical framework, this study centered the voices of five high-achieving BWCAs through semi-structured interviews and reflective thematic analysis.

Participants described the complex realities of balancing academic rigor, athletic participation, and social expectations while facing intersectional invisibility and contending with their status as “outsider within” in both academic and …


Resource Allocation Method For Virus Spreading Control Based On Multi-Granularity Cooperative Coevolution, Xuanli Shi, Weineng Chen, An Song, Tianfang Zhao Aug 2025

Resource Allocation Method For Virus Spreading Control Based On Multi-Granularity Cooperative Coevolution, Xuanli Shi, Weineng Chen, An Song, Tianfang Zhao

Journal of System Simulation

Abstract: According to the principle of simplifying a complex problem into sub-problems for solution, a resource allocation method for virus spreading control based on multi-granularity cooperative coevolution (MGCC) was proposed. According to the characteristics of human's social network structures, MGCC decomposed the network into sub-networks with different scales according to different decomposition granularities. A contribution-based decomposition granularity selection strategy was proposed. Historical archives were used to record the contribution of different decomposition granularities to optimization, and the appropriate decomposition granularity was selected according to the optimization status. A projection-based constraint repairing strategy was designed to ensure the feasibility of solutions. …


Multi-Robot Hierarchical Collaborative K-Robust Path Planning For Path Interference, Kaixiang Zhang, Jianlin Mao, Niya Wang, Zhihao Xu Aug 2025

Multi-Robot Hierarchical Collaborative K-Robust Path Planning For Path Interference, Kaixiang Zhang, Jianlin Mao, Niya Wang, Zhihao Xu

Journal of System Simulation

Abstract: To plan collision-free paths for multiple robots in interference environments, based on the multi-robot k-robust path planning, this paper designed a multi-robot hierarchical collaborative k-robust path planning framework. In the priority optimization layer, in response to the starting predicament caused by the solution sequence, the multi-robot path solving sequence was determined based on the closure factor. In the multi-robot robust coordination layer, with the goal of improving solution efficiency, a safety interval was introduced as the basis for the design of k-robustness and collision-free avoidance. A collision-free path constraint for multiple robots in the sense of k-robustness was given. …


Generative Ai In The Classroom: Best Practices, A Cetll Guide, The Center For Excellence In Teaching, Learning, & Leadership, S E. Hackney, Brandon K. Jeffries Mr., Emily Drabinski, Joshua Rogers, Holly Weisberg, Yael Neumann, Ashlyn Cavitt, Claudia Brumbaugh, Lindsey Albracht, Robin Naughton, Annalee Roustio, Amy Wan, Soniya Munshi, Jean Kelly Aug 2025

Generative Ai In The Classroom: Best Practices, A Cetll Guide, The Center For Excellence In Teaching, Learning, & Leadership, S E. Hackney, Brandon K. Jeffries Mr., Emily Drabinski, Joshua Rogers, Holly Weisberg, Yael Neumann, Ashlyn Cavitt, Claudia Brumbaugh, Lindsey Albracht, Robin Naughton, Annalee Roustio, Amy Wan, Soniya Munshi, Jean Kelly

Open Educational Resources

In 2024-2025, in collaboration with Amy Wan, Professor of English and Special Assistant to the Provost for Writing, CETLL hosted a Generative AI in the Classroom Faculty Fellowship, through which an interdisciplinary cohort of thirteen faculty members were supported to critically engage the different concerns and opportunities that generative AI presents for our work as educators.

From our discussions with the Faculty Fellows and other resources, we have developed Generative AI in the Classroom: Best Practices, a CETLL Guide. This guide includes step-by-step guidance about how to engage with questions of generative AI in your classrooms, sample syllabus statements, …


Spartan Daily, August 20, 2025, San Jose State University, School Of Journalism And Mass Communications Aug 2025

Spartan Daily, August 20, 2025, San Jose State University, School Of Journalism And Mass Communications

Spartan Daily, 2025

Volume 165, Issue 1


Collaborative Proposal: Caig: Synthetic Data Generation For Solar Energetic Particle Events Via Multimodal Augmentation, Shah Muhammad Hamdi Aug 2025

Collaborative Proposal: Caig: Synthetic Data Generation For Solar Energetic Particle Events Via Multimodal Augmentation, Shah Muhammad Hamdi

Funded Research Records

No abstract provided.


The Impact Of Different Antidiabetic Drugs On Fracture Risk In Patients With Type 2 Diabetes Mellitus: A Systematic Review And Network Meta-Analysis Of Randomized Controlled Trials With A Focus On Sglt2 Inhibitors, Bushra Admani, Fizza Z. Raza, Fatima Siddiqui, Muhammad T. Ashraf, Muhammad K. Khan, Ifra Habib, Ayesha Usman, Bareeha Mansoor, Zaira Nadeem, Rana J. Ghaffer, Muhammad Riyyan, Sawaira Sajid, Muhammad H. A. Chania, Mahnoor Saleem, Saad Javaid, Nikhil Duseja, Hussam Al Hennawi, Sunita Lakhani Aug 2025

The Impact Of Different Antidiabetic Drugs On Fracture Risk In Patients With Type 2 Diabetes Mellitus: A Systematic Review And Network Meta-Analysis Of Randomized Controlled Trials With A Focus On Sglt2 Inhibitors, Bushra Admani, Fizza Z. Raza, Fatima Siddiqui, Muhammad T. Ashraf, Muhammad K. Khan, Ifra Habib, Ayesha Usman, Bareeha Mansoor, Zaira Nadeem, Rana J. Ghaffer, Muhammad Riyyan, Sawaira Sajid, Muhammad H. A. Chania, Mahnoor Saleem, Saad Javaid, Nikhil Duseja, Hussam Al Hennawi, Sunita Lakhani

Abington Jefferson Health Papers

SGLT2 inhibitors are a new class of antidiabetic drugs that have shown cardiovascular benefits in patients with type 2 diabetes mellitus (T2DM) and cardiovascular disease. However, their effects on fracture risk are unclear and may depend on the type and duration of treatment. This meta-analysis compares the fracture risk of different antidiabetic drugs, including SGLT2 inhibitors, based on data from randomized controlled trials (RCTs). We searched 4 databases for RCTs that reported fracture events in patients with T2DM who received different antidiabetic drugs. We included 117 RCTs that compared 9 types of antidiabetic drugs: SGLT2 inhibitors, DPP-4 inhibitors, α-glucosidase inhibitors, …


Ayotte's Approval Slips In Nh; Granite Staters Divided On Budget Provisions 8/20/2025, Unh Survey Center Aug 2025

Ayotte's Approval Slips In Nh; Granite Staters Divided On Budget Provisions 8/20/2025, Unh Survey Center

All UNH Survey Center Polls

New Hampshire residents are divided in their assessment of first-term Governor Kelly Ayotte's performance, with both supporters and detractors citing her handling of education as a major influence on their opinion. Granite Staters support a provision in the recently passed state budget to bar cell phone use by students during school hours, but they oppose reduced funding for the state's health and human services and the state's university system, USNH. Most residents believe USNH benefits the state's economy and majorities would be angry or dissatisfied if any of the three USNH institutions were to close. On other issues, Granite Staters …


Storage Life Assessment Methods For Long-Term Storage Products Based On Multi-Scale Simulation: A Review, Hongmin Li, Xiao Han, Shuo Huang, Shengpeng Zhang, Shuanglong Rong, Hao Li, Cheng Qian Aug 2025

Storage Life Assessment Methods For Long-Term Storage Products Based On Multi-Scale Simulation: A Review, Hongmin Li, Xiao Han, Shuo Huang, Shengpeng Zhang, Shuanglong Rong, Hao Li, Cheng Qian

Journal of System Simulation

Abstract: Traditional experiment-based life assessment methods for long-term storage products suffer from drawbacks such as prolonged duration, high cost, and low prediction accuracy, greatly limiting the effectiveness of storage life assessment in practical applications. With the advancement of digital simulation technology, simulation analysis methods based on the physics of failure (PoF) have emerged as a research hotspot in the field of storage life assessment, as they can accurately characterize product aging behavior. The multi-scale characteristics of long-term storage products and their typical storage failure modes and mechanisms were analyzed. Multi-scale modeling and simulation analysis methods for storage failures of fundamental …


Simulation And Optimization Of Support Processes For Aircraft Fleet Launch Under Limited Resources, Feng Gong, Tao Jiang, Qin Zhang, Yu Liu Aug 2025

Simulation And Optimization Of Support Processes For Aircraft Fleet Launch Under Limited Resources, Feng Gong, Tao Jiang, Qin Zhang, Yu Liu

Journal of System Simulation

Abstract: To address the scheduling problem of aircraft fleet support processes under limited resources, a fleet support process optimization model that covered multiple aircraft, activities, and resource constraints was developed. An activity node graph model was used to establish the temporal logic, resource competition, and other constraints in the fleet support process, forming a "time – activity – resource" multidimensional optimization model. A genetic algorithm based on priority encoding was proposed, incorporating a serial decoding strategy and a dynamic penalty function to handle the complex constraints in the model, efficiently solving the optimization problem under complicated temporal and resource constraints. …


Optimization Of Product Oil Distribution With Multiple Trips And Multiple Due Dates Under Dynamic Demand, Yong Xie, Hailong Gao, Yutao Chen, Huanjiang Wang Aug 2025

Optimization Of Product Oil Distribution With Multiple Trips And Multiple Due Dates Under Dynamic Demand, Yong Xie, Hailong Gao, Yutao Chen, Huanjiang Wang

Journal of System Simulation

Abstract: In the case of dynamic demand, considering the order due date, vehicle transportation time window, and other factors, this paper developed an optimization model of periodic product oil distribution with multiple trips and multiple due dates to maximize the distribution revenue. The paper also designed a reinforcement learning-based large neighborhood search algorithm to solve the problem. The initial solution was constructed based on the forward insertion heuristic algorithm. Then, a deep reinforcement learning model for neighborhood operator selection was designed. By fitting the action value function through the double deep Q network, the optimal neighborhood operator was selected, and …


Trajectory Planning And Tracking For Multi-Quadcopter In Dynamic Obstacle Environments, Haosheng Jiang, Fangfang Wu, Zexian Huang, Ziyue Ma, Chunyun Dong, Xubin Ping Aug 2025

Trajectory Planning And Tracking For Multi-Quadcopter In Dynamic Obstacle Environments, Haosheng Jiang, Fangfang Wu, Zexian Huang, Ziyue Ma, Chunyun Dong, Xubin Ping

Journal of System Simulation

Abstract: Multi-quadrotor UAV systems face challenges when performing complex tasks in dynamic obstacle environments. Therefore, a comprehensive particle swarm optimization-based task allocation method, a trajectory planning integrating the traditional Informed-RRT* and A* algorithms, and a trajectory tracking method based on model predictive control were designed. The multi-quadrotor task allocation problem was constructed as a classical multiple traveling salesman problem, and then, the particle swarm optimization was used to assign the task to multi-quadrotor UAVs. A fusion algorithm that combined the advantages of traditional Informed-RRT* and A* algorithms for quadrotor UAV trajectory planning was designed, so as to ensure that a …


Research On Non-Singular Fast Integral Terminal Sliding Mode Trajectory Tracking Control Of Six-Axis Robotic Arm, Tao Chen, Lizhong Wang, Xiangjun Zou, Xiaojuan Li Aug 2025

Research On Non-Singular Fast Integral Terminal Sliding Mode Trajectory Tracking Control Of Six-Axis Robotic Arm, Tao Chen, Lizhong Wang, Xiangjun Zou, Xiaojuan Li

Journal of System Simulation

Abstract: To address the trajectory tracking control challenges caused by modeling parameter inaccuracies and disturbance uncertainties in robotic arms, a non-singular fast integral terminal sliding mode control scheme was developed. A new type of non-singular fast integral terminal sliding mode controller was designed. The non-singular fast terminal sliding mode ensured the rapid convergence of the system while avoiding the singularity during convergence. The integral term was used to enhance the suppression ability of disturbances and ensure the rapid response of the controller to errors. Lyapunov stability theory was applied to analyze the controller's convergence. The simulation results show that the …