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Articles 2431 - 2460 of 197941

Full-Text Articles in Engineering

Sheep Pen Improvements At City Farm Slo, Rylan Joseph Hickman Jun 2026

Sheep Pen Improvements At City Farm Slo, Rylan Joseph Hickman

Construction Management

This project took place on a non-profit community farming space called City Farm SLO which provides opportunities for local small scale independent farmers to farm and provide crops to the community. Our project provided improvements to the livestock pen that they have on the farm which is home to chickens and a flock of sheep. The main goal of this project was to provide a better living environment for the sheep including a 50 cubic yard sheep hill, a vehicle access gate, a side gate, a front catch pen, a back corral, and protective fencing for a guava tree. Within …

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Hvac Ductwork Lab Series - New Curriculum, Dean Cavanna Jun 2026

Hvac Ductwork Lab Series - New Curriculum, Dean Cavanna

Construction Management

This senior project developed an HVAC Ductwork Lab Series to support Cal Poly Construction Management’s new mechanical coursework during the semester conversion. The main goal is to connect classroom instruction with practical fieldwork. The project addresses the need for applied learning materials that help students understand how duct design, fabrication, installation, and support affect system performance. The curriculum was created through a sequence of planning, model development, video-supported instruction, student handout design, and instructor guide preparation. The final lab series includes three activities: SimScale airflow modeling of a straight duct, direct 90-degree elbow, and curved 90-degree elbow; fabrication and connection …

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Developing A Preparation Manual For The Asc Region 6 & 7 Reno Competition, Addyson Mae Demasters Jun 2026

Developing A Preparation Manual For The Asc Region 6 & 7 Reno Competition, Addyson Mae Demasters

Construction Management

The Associated Schools of Construction (ASC) Region 6 & 7 Competition is one of the most prestigious student construction management competitions in the United States. Success in the competition requires technical knowledge, effective communication, time management, and strategic preparation. The purpose of this senior project was to develop a comprehensive Competition Preparation Manual for future Cal Poly Construction Management students competing in the ASC Reno Competition. The manual was created through the collection and analysis of information from previous competitors, team captains, competition retrospectives, and the author's personal experience participating in ASC Reno competitions. Surveys were sent to students in …

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The Efficiency Of Residential Modular Construction, Alina Viola Dziuk Jun 2026

The Efficiency Of Residential Modular Construction, Alina Viola Dziuk

Construction Management

This study examines the efficiency of permanent modular construction in the residential multifamily sector framed with steel in the western United States, with a particular focus on labor productivity, materials, project scheduling, and cost performance in California. Research was conducted through five interviews with production managers from U.S.-based modular manufacturing companies. Results indicated that modular construction improves labor, material, time, and cost efficiency. Overall, the qualitative data gathered from interviews and the literature review suggest that modular construction offers a practical solution to California’s housing shortages, declining labor pool, and rising construction costs while improving overall project efficiency and productivity. …

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Ada Concrete Walkway Improvements At The Gala Pride And Diversity Center, Jonathan A. Mintz, Manuel Gonzalez Jun 2026

Ada Concrete Walkway Improvements At The Gala Pride And Diversity Center, Jonathan A. Mintz, Manuel Gonzalez

Construction Management

This paper presents the planning, design, and construction of an accessible concrete walkway completed for the GALA Pride and Diversity Center in San Luis Obispo, California. The project addressed an accessibility gap between the center's front entrance and rear parking lot through a combination of site preparation, concrete work, retaining wall construction, and supporting improvements. Construction was managed around the active events schedule while staying within the constraints of a nonprofit budget. Challenges encountered during the project included scope changes, material selection decisions, and client coordination. The completed walkway provides a safe and stable path for all visitors and directly …

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Designing And Building Benches For Slo City Farm, Julian Cervantes Jun 2026

Designing And Building Benches For Slo City Farm, Julian Cervantes

Construction Management

The purpose of this project was to design and create multiple small benches for the City Farm SLO during the term of Spring 2026 quarter. This project was specifically intended to be an affordable, pragmatic, and durable project that would last a long time in order to serve the people that visit a comfortable place to sit and come together. In order to achieve the project delivery for these benches the pre-construction of the project started by visiting the city farm to inspect the existing benches and taking the measurements of them in order to shorten them for the use …

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Understanding Cmu Construction Sequencing Through Scheduling Application, Tristan J. Roberson Jun 2026

Understanding Cmu Construction Sequencing Through Scheduling Application, Tristan J. Roberson

Construction Management

Concrete Masonry Unit (CMU) wall systems are used very often in all types of construction including commercial and residential. With this said, the scheduling logic behind their installation can often be unclear for students and people new to the industry. The purpose of this project is to analyze CMU construction sequencing and demonstrate how it integrates within an overall project schedule. This study was conducted using interviews with industry professionals, review of CMU manufacturing processes, and development of a simplified Critical Path Method schedule in Microsoft Project. Information from CMU professionals regarding manufacturing processes and lead times were incorporated based …

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Small-Scale Rainwater Harvesting: A Sustainable Practice For Single-Family Homes In Southern California, Azzah R. Bensrhir Jun 2026

Small-Scale Rainwater Harvesting: A Sustainable Practice For Single-Family Homes In Southern California, Azzah R. Bensrhir

Construction Management

Southern California is prone to drought and struggles with low water supplies. Los Angeles and San Diego County have enacted outdoor water regulations that aim to reduce the overall reliance on municipal and groundwater supplies. Rainwater harvesting (RWH) is a feasible way for single-family homeowners in Southern California to contribute to water conservation efforts. To determine the feasibility of installing, maintaining, and understanding overall challenges and costs of small-scale rainwater harvesting systems, four interviews were conducted with residents of Los Angeles and San Diego County who have owned and operated a RWH system for more than five years. The results …

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Thematic Analysis Of Knowledge, Skills, And Abilities Required For Hydrogen Fuel Cell Transit Workforce, Steven Dandurand Jun 2026

Thematic Analysis Of Knowledge, Skills, And Abilities Required For Hydrogen Fuel Cell Transit Workforce, Steven Dandurand

Construction Management

The adoption and implementation of hydrogen fuel cell electric buses (FCEBs) in public transit creates opportunities for reducing emissions and a greener future, but causes challenges related to workforce readiness and training. This research uses thematic analysis to analyze interviews with professionals to evaluate the current knowledge and skill levels of transit bus drivers, maintenance personnel, and infrastructure teams, with the goal of identifying knowledge gaps that may cause problems with the implementation of hydrogen buses on a larger scale. Data was collected through a review of transit agency resources, and interviews with drivers, technicians and agencies. The findings indicate …

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Robotic Layout Systems In Construction: Evaluating Accuracy And Efficiency In Blueprint Marking, Saxon Moseman Jun 2026

Robotic Layout Systems In Construction: Evaluating Accuracy And Efficiency In Blueprint Marking, Saxon Moseman

Construction Management

Robotic layout systems represent a significant advancement in construction technology, automating the transfer of Building Information Modeling (BIM) coordinates onto construction surfaces to improve accuracy and efficiency. This study evaluates the implementation of robotic layout systems, specifically the Dusty Robotics FieldPrinter, and their effectiveness in improving accuracy and efficiency during construction blueprint marking. Through a review of existing literature, analysis of the Skanska and Sutter Health healthcare case study, and qualitative interviews with three construction professionals, the research examines impacts on productivity, labor requirements, trade coordination, BIM integration, and project quality. Findings consistently demonstrate that robotic layout systems reduce layout …

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Beyond Contract Law: Expanding Legal Education In Construction Management, Grace M. Hetland Jun 2026

Beyond Contract Law: Expanding Legal Education In Construction Management, Grace M. Hetland

Construction Management

The California Polytechnic State University Construction Management (CM) program is designed to prepare students for the managerial responsibilities of the construction industry. However, construction projects involve a broad range of legal considerations that extend beyond traditional contract administration. While the CM curriculum currently includes a course focused on construction contract law, there is limited exposure to other legal disciplines that frequently affect construction professionals throughout the project lifecycle. This research explores the potential value of expanding construction law education in the CM curriculum by implementing an additional topics course as an elective for students. To determine which legal subjects would …

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Skip The Grid: Powering The Navajo And Hopi Reservations, Casey A. Nuti Jun 2026

Skip The Grid: Powering The Navajo And Hopi Reservations, Casey A. Nuti

Construction Management

Skip the Grid is an interdisciplinary service project targeted at providing essential off-grid power to families of the Navajo and surrounding sovereign nations. This year a group of twenty-three students and four faculty from California Polytechnic State University (Cal Poly) helped plan and execute the insulation of solar power and other essential amenities on the Navajo and Hopi reservations. Many families that live on the reservation are below the U.S. poverty  line and obtaining grid power can be extremely difficult given the rigorous permitting requirements as well as the remote location of many of their homes. This service project is …

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Solar Charging Station For Construction Gang Boxes​, Scott J. Burfield Jun 2026

Solar Charging Station For Construction Gang Boxes​, Scott J. Burfield

Construction Management

This senior project explores the feasibility of a solar-powered charging system that attaches to the top of a construction gang box or knack box. The purpose of the project is to provide a cleaner and more convenient way to charge tool batteries and small devices on construction sites. Adding on, it will reduce reliance on generators, extension cords, and temporary power setups by being supplemental support. Research included interviews with construction electricians, product selection, cost estimating, energy calculations, and an evaluation of constructability and project risks. The proposed design uses a 100-watt solar panel, a portable power station, and a …

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Construction Of Lightly Reinforced Concrete Walls And Foundations For Fiber Reinforced Polymer Testing, Aidan D. Seed, Coulter Langmaid, Ryan R. Bousfield, Bennett B. Steiger Jun 2026

Construction Of Lightly Reinforced Concrete Walls And Foundations For Fiber Reinforced Polymer Testing, Aidan D. Seed, Coulter Langmaid, Ryan R. Bousfield, Bennett B. Steiger

Construction Management

This paper details the construction of two cast-in-place concrete walls with attached footings, built to continue ongoing research into Fiber Reinforced Polymer (FRP) retrofitting conducted by California Polytechnic State University, San Luis Obispo, Architectural Engineering (ARCE) department. The project was located inside the College of Architecture and Environmental Design (CAED) High Bay testing facility and is part of a multi-year effort to evaluate FRP wrap as a seismic retrofitting option for lightly reinforced concrete walls dating to the pre-1980s. Formwork from the previous year's senior project was reused for this effort, and a two-phase pour was utilized and executed by …

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The Sleep Effects Of Construction Management Students At Cal Poly Slo, Riley James Coalwell Jun 2026

The Sleep Effects Of Construction Management Students At Cal Poly Slo, Riley James Coalwell

Construction Management

Sleep deprivation and poor sleep quality have become increasingly common among college students, particularly in demanding studies such as construction management. This study examined sleep patterns, sleep duration, and perceptions related to sleep deprivation among construction management students at California Polytechnic State University, San Luis Obispo. The study replicated prior research conducted at Mississippi State University while focusing exclusively on one academic program and institution. A quantitative research method was used through an anonymous Microsoft Forms survey distributed to construction management students over a ten-week period. The survey collected demographic information, sleep behaviors, academic workload, and perceptions regarding sleep within …

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Logistics And Workforce Management In Remote Reforestation Projects: A Case Study Of Ponterra In Panama, Omar Mejia-Meraz Jun 2026

Logistics And Workforce Management In Remote Reforestation Projects: A Case Study Of Ponterra In Panama, Omar Mejia-Meraz

Construction Management

With global efforts in reducing carbon emissions, large-scale reforestation projects are becoming increasingly important. While the environmental benefits of reforestation are well known, the operational and logistical challenges of reforestation projects are often overlooked. This case study examines the reforestation efforts conducted by Ponterra in the Azuero Peninsula region of Panama and analyzes how construction management principles support the planning, execution, and long-term success of restoration projects. Through a qualitative analysis consisting of an interview with Ponterra’s Field Operations Lead and supporting literature, this study evaluates the planning strategies, logistical challenges, workforce coordination, and client engagement involved in large-scale reforestation …

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Cost–Benefit Analysis Of Undergrounding Power Lines For Wildfire Mitigation: Construction Management Implications Compared To Conventional Overhead Systems, Max T. Clement Jun 2026

Cost–Benefit Analysis Of Undergrounding Power Lines For Wildfire Mitigation: Construction Management Implications Compared To Conventional Overhead Systems, Max T. Clement

Construction Management

Wildfires in California have increasingly been linked to failures in electrical infrastructure, particularly overhead power transmission, and distribution systems. As wildfire frequency and severity continue to escalate, utility providers, regulatory agencies, and construction professionals are evaluating undergrounding power lines as a long-term mitigation strategy. This research examines the construction management implications of undergrounding power lines compared to conventional overhead systems, focusing on cost, scheduling, constructability, risk allocation, and lifecycle performance. A mixed-methods approach is utilized, incorporating quantitative cost and lifecycle data alongside qualitative analysis of industry reports and case studies. The results indicate that although underground systems require significantly higher …

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Analyzing Productivity In California’S Residential Construction Industry, Logan K. Booher Jun 2026

Analyzing Productivity In California’S Residential Construction Industry, Logan K. Booher

Construction Management

Following technological advancement over past years in California's residential construction industry, productivity levels have fallen short. This has revealed a pressing issue and raises the question of whether advancements in technology correlate with productivity improvements. This study investigates whether the lack of growth is a significant problem, specifically in California's residential construction industry, and what underlying factors are limiting improvements. Using an action-based research approach, the data for this study were collected through surveys that consisted of multiple-choice questions and checklist rankings, given to construction professionals across various roles and project types in California. The objective is to examine how …

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Student Perceptions, Advantages, And Challenges Of Artificial Intelligence Tool Use In Higher Education, Olivia Lynch Jun 2026

Student Perceptions, Advantages, And Challenges Of Artificial Intelligence Tool Use In Higher Education, Olivia Lynch

Construction Management

Increasingly AI tools are being integrated into higher education and are starting to influence students’ access to information, the completion of assignments, and the use of new material. Generative AI-based tools, writing assistants, and automated research tools allow students to get explanations easily, sort out materials, or explore new areas of knowledge. While these technological advancements can improve productivity and make learning more efficient, they also raise questions of accuracy and academic integrity, as well as concerns about excessive reliance. This study focuses on how Construction Management (CM) students perceive AI tools in their academic work. An anonymous survey was …

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From Ports To Projects: Estimating The Impact Of Supply Chain Volatility And Trade Policy Changes On Construction Material Prices, Ahmed Shiha, Islam H. El-Adaway Jun 2026

From Ports To Projects: Estimating The Impact Of Supply Chain Volatility And Trade Policy Changes On Construction Material Prices, Ahmed Shiha, Islam H. El-Adaway

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Construction material markets are often reliant on imported commodities. Import tariffs and temporary trade barriers disrupt supply chains, presenting stakeholders with uncertainties regarding how such disruption impacts construction material prices. Despite the plethora of research efforts that examine the effects of economic conditions on construction material prices, the impacts of the import quantities remain understudied. This paper fills this knowledge gap using a multistep methodology. First, the prices of major construction materials and the quantities of the relevant imported commodities are retrieved. Second, the stability of their historical trends was assessed using econometrics-based tests. Third, a nonlinear autoregressive distributed lag …

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Recent Advances In The Rheological Properties Of Ultra-High-Performance Concrete: A Critical Review, Le Teng, Kamal H. Khayat, Jiaping Liu Jun 2026

Recent Advances In The Rheological Properties Of Ultra-High-Performance Concrete: A Critical Review, Le Teng, Kamal H. Khayat, Jiaping Liu

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Ultra-high-performance concrete (UHPC) with adapted rheology continues to attract interest considering the requirement for novel processing techniques such as self-consolidating, pumping, spraying, and three-dimensional (3D) printing. The rheology of UHPC is complex due to its high solid volume fraction, low water content, and wide range of constituent materials that affect its flow properties. This work provides guidance for tailoring the mixture proportioning of UHPC to secure proper rheological properties and performance of UHPC for various applications. In the first part of this work, key physical, physicochemical, and chemical factors that can affect the rheological properties of UHPC are discussed. Rheological …

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Development Of Kytc’S Context Classification Network, Jill Asher, Megan White, Eric Green, Christopher Van Dyke Jun 2026

Development Of Kytc’S Context Classification Network, Jill Asher, Megan White, Eric Green, Christopher Van Dyke

Kentucky Transportation Center Research Report

Transportation agencies have adopted context-based classification systems that classify roadways based on the surrounding environment and user types. This offers a more comprehensive and multimodal perspective than traditional functional classification. While the Kentucky Transportation Cabinet (KYTC) has begun using project-level context classification, the agency will benefit from introducing network-level context classification. This will improve guidance, enhance project prioritization, and support the development of projects that better address the needs of all users. Responding to this need, Kentucky Transportation Center (KTC) researchers, in conjunction with KYTC staff, created a GIS-based model to build a context classification network that covers all state-maintained …

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Research And Assessment Of Needs For Sign And Signal Maintenance, Megan White, Eric Green Jun 2026

Research And Assessment Of Needs For Sign And Signal Maintenance, Megan White, Eric Green

Kentucky Transportation Center Research Report

Kentucky Transportation Cabinet (KYTC) sign and signal crews have expressed multiple concerns related to compensation, expertise, and having the financial and personnel resources needed to help the agency comply with Manual on Uniform Traffic Control Devices (MUTCD) guidelines while continuing to perform routine job duties. Internal reorganizations and personnel changes have reduced staffing and budgets available to underwrite the activities of sign and signal crews even as workloads have remained steady or increased. To document the challenges facing sign and signal crews and associated engineering staff, Kentucky Transportation Center (KTC) researchers administered a statewide survey. Respondents gave their perspectives on …

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Nodal Elimination For E3 Hemp Mitigation: A Physics-Informed Graph Theory Approach, Connor A. Lehman, Rush Robinett, Quinnlin R. Lehman, David G. Wilson, Wayne Weaver Jun 2026

Nodal Elimination For E3 Hemp Mitigation: A Physics-Informed Graph Theory Approach, Connor A. Lehman, Rush Robinett, Quinnlin R. Lehman, David G. Wilson, Wayne Weaver

Michigan Tech Publications

This paper presents a comparison of methods to determine the minimum number of placement locations for neutral blocking, global linear quadratic regulator (G-LQR), and local linear quadratic regulator (L-LQR) controllers throughout a power grid to prevent transformer saturation during the onset of an E3 high-altitude electromagnetic pulse (HEMP) disturbance. Different device placement configurations yield different efficacies in E3 HEMP mitigation. The first placement method discussed is a genetic algorithm (GA), which serves as a baseline optimizer test case. The scaling and run time of the GA depend on the complexity of the objective function and often times becomes intractable as …

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Emerging Biomaterials For Next-Generation Wound Healing: From Infection Control To Tissue Regeneration, Unqa Mustafa, Aiman Kaleem, Syeda Zunaira Bukhari, Hamna Riaz, Maryam Iftikhar, Muhammad Usman Munir, Xianghao Xiao, Mingwu Shen, Xiangyang Shi, Mostafa Yazdi, Ayesha Ihsan Jun 2026

Emerging Biomaterials For Next-Generation Wound Healing: From Infection Control To Tissue Regeneration, Unqa Mustafa, Aiman Kaleem, Syeda Zunaira Bukhari, Hamna Riaz, Maryam Iftikhar, Muhammad Usman Munir, Xianghao Xiao, Mingwu Shen, Xiangyang Shi, Mostafa Yazdi, Ayesha Ihsan

Chemical and Biochemical Engineering Faculty Research & Creative Works

Wound healing is a multifactorial biological process that regenerates damaged tissues through a series of molecular and cellular events in a coordinated manner. An interruption in this cascade can lead to impaired healing, especially in diabetic complications, where effective treatment is crucial for controlling infections and promoting tissue regeneration. Recent advances in bioengineering and digital health have catalyzed the development of next-generation wound therapies capable of actively modulating the wound microenvironment, promoting regeneration, and enabling real-time clinical assessment. This review summarizes the fundamentals of physiological wound healing and highlights the significant developments in biomaterial dressings and scaffolds, 3D bioprinting, as …

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Effects Of Overcorrection On Mitigating Uncontrolled Tipping During Incisor Retraction Using Clear Aligners: Finite Element Analysis And In Vitro Experiment, Jianing Wang, Niko Burger, Bo Wang, Linxia Gu, Pengfei Dong Jun 2026

Effects Of Overcorrection On Mitigating Uncontrolled Tipping During Incisor Retraction Using Clear Aligners: Finite Element Analysis And In Vitro Experiment, Jianing Wang, Niko Burger, Bo Wang, Linxia Gu, Pengfei Dong

Biomedical Engineering Faculty Research and Publications

Uncontrolled tipping during incisor retraction with clear aligners continues to limit orthodontic treatment. Different countermeasures have been proposed to improve the predictability of aligners, such as power ridges and attachments, while their efficacy requires further investigation. This work investigated the biomechanics of the overcorrection in reducing the tipping angle and moment during incisor retraction with a clear aligner, through in vitro experiments and finite element analysis (FEA). Specifically, the influence of overcorrection angle (1 deg), retraction distance (0.15 mm), and the combination of both were assessed through in vitro experiments and the finite element simulation. Further computational simulations were conducted …

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Sainik Vol 1 Issue 3, Sastra Deemed To Be University Jun 2026

Sainik Vol 1 Issue 3, Sastra Deemed To Be University

SAINIK

No abstract provided.

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A Machine Learning Framework For Residential District Cooling: Forecasting Consumption, Explaining Drivers, And Evaluating Decarbonization Pathways, Kadhim Hayawi, Husna Maliakkal, Neethu Venugopal, Thanveer Musthafa Hussain, Gomathi Bhavani Rajagopalan Jun 2026

A Machine Learning Framework For Residential District Cooling: Forecasting Consumption, Explaining Drivers, And Evaluating Decarbonization Pathways, Kadhim Hayawi, Husna Maliakkal, Neethu Venugopal, Thanveer Musthafa Hussain, Gomathi Bhavani Rajagopalan

All Works

District Cooling Systems (DCS) in the Middle East, while energy-efficient, are significant contributors to carbon emissions. This study introduces a novel framework to decarbonize DCS operations by integrating predictive machine learning, explainable AI (XAI), and renewable energy planning, all grounded in extensive real-world data. Leveraging a unique dataset from 59 residential buildings in the UAE—including energy consumption, climate variables, and building features—we developed a high-fidelity cooling load forecasting model. Following a rigorous chronological validation methodology, the Random Forest model was identified as the most robust, achieving a strong performance (R2 = 0.8256, RMSE = 11,668.31). Outdoor temperature was confirmed …

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Toward Data-Centric Ai: A Comprehensive Survey Of Traditional, Reinforcement, And Generative Approaches For Tabular Data Transformation, Dongjie Wang, Yanyong Huang, Wangyang Ying, Haoyue Bai, Nanxu Gong, Xinyuan Wang, Sixun Dong, Tao Zhe, Kunpeng Liu, Meng Xiao, Multiple Additional Authors Jun 2026

Toward Data-Centric Ai: A Comprehensive Survey Of Traditional, Reinforcement, And Generative Approaches For Tabular Data Transformation, Dongjie Wang, Yanyong Huang, Wangyang Ying, Haoyue Bai, Nanxu Gong, Xinyuan Wang, Sixun Dong, Tao Zhe, Kunpeng Liu, Meng Xiao, Multiple Additional Authors

Computer Science Faculty Publications and Presentations

Tabular data is one of the most widely used formats across industries, driving critical applications in areas such as finance, healthcare, and marketing. In the era of data-centric AI, improving data quality and representation has become essential for enhancing model performance, particularly in applications centered around tabular data. This survey examines the key aspects of tabular data-centric AI, emphasizing feature selection and feature generation as essential techniques for data space refinement. We provide a systematic review of feature selection methods, which identify and retain the most relevant data attributes, and feature generation approaches, which create new features to simplify the …

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Wip: Project-Based Learning And Industry Engagement In An Introductory Polymer Science Course, Erick S. Vasquez-Guardado Jun 2026

Wip: Project-Based Learning And Industry Engagement In An Introductory Polymer Science Course, Erick S. Vasquez-Guardado

Chemical and Materials Engineering Faculty Publications

A persistent challenge in engineering education is helping students connect foundational polymer science concepts to modern research literature and industrial practice. This paper reports the design, implementation, and initial evaluation of a sequenced project-based learning (PBL) framework integrated into an upper-level Introduction to Polymer Science – Thermoplastics course (n = 16). The instructional model combined three individual, literature-driven projects with professional engagement through invited guest speakers to strengthen student competencies in polymer chemistry, polymer properties, research literacy, and scientific communication. The project sequence was scaffolded from foundational to advanced content: (1) a thermoplastics case study requiring students to synthesize structure–property–processing …

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