Digital Commons Network^™

The Role Of Oxygen During Thermal Runaway Of Lithium-Ion Batteries, Nicholas Baehl, Jason Ostanek

Purdue Polytechnic Graduate Student Poster Symposium

Energy storage has become an important technology due to the increasing utilization of renewable resources. Although LIB usage continues to rise, latent defects and abuse pose safety risks. Modeling and simulation tools are applied to simulate failure conditions such as thermal runaway. CFD tools may be used to simulate thermal runaway with consideration of important physics including: gas generation, venting, and combustion of evolved gases. Previous CFD-based studies have investigated thermal runaway and venting, but none have considered the instantaneous composition of gases which may lead to ignition within the cell body. This work explores the progression of thermal runaway …

Smartphone-Based Circular Plot Sampling For Forest Inventory, Su Sun, Yingjie Victor Chen

Purdue Polytechnic Graduate Student Poster Symposium

Circular sample plots are key to forest inventory, but current methods are often costly or labor-intensive. We propose a simple, smartphone-based approach to measure tree DBH and locations within a circular plot. It offers accurate results and is accessible to both researchers and local forest managers.

Pulse Flow Reverse Osmosis With Feed Flow Reversal, Jarrod Robbins, John Murray, Jose M. Garcia-Bravo

Purdue Polytechnic Graduate Student Poster Symposium

The purpose of this study is to increase the efficiency and water recovery of household scale reverse osmosis systems. Due to the small membranes and simple design, current household RO systems send much of the feed water to the drainage system. This system will be capable of implementing Feed Flow reversal in order to increase the lifespan of the RO membrane as Pulse Flow RO may lead to uneven loading due to variances in salinity and increased pressure spikes.

Personalizing Engineering Education Through Environmental Backgrounds And Augmented Reality, Mohammed Metwaly, Farid Breidi

Purdue Polytechnic Graduate Student Poster Symposium

This study aims to design, develop, and evaluate a Personalized Engineering Playground (PEP) that connects students' environmental backgrounds with engineering applications. It investigates the impact of early outdoor experiences on students' motivation to pursue engineering careers. Utilizing a comprehensive survey of over 150 engineering technology students, the study collected both quantitative and qualitative data on nature-related activities, career influences, and environmental perceptions. The findings indicate that activities such as building (23%), exploring (17%), and observing nature (20%) play a significant role in shaping engineering interest. Approximately 45% of the students reported that outdoor experiences had a positive influence on their …

Performance Analysis Of A Dc Nanogrid Heat Pump System For Residential House, Ehijie Ebewele, William Hutzel

Purdue Polytechnic Graduate Student Poster Symposium

The increasing demand for energy-efficient systems has led to the exploration of Direct Current (DC)-powered technologies in residential applications, as most residential appliances and devices now run on DC voltage. The future of renewable energy integration will depend heavily on powering the planet with DC voltage because most distributed energy systems (PV panels, batteries, etc.) are DC-driven. For this reason, energy efficiency in buildings is today a prime objective, among building services, the growth in HVAC systems energy use is particularly significant (50% of building consumption and 20% of total consumption in the USA.

Neuronal Signal Activity Image Classification, Ardavan Vakil, Miad Faezipour

Purdue Polytechnic Graduate Student Poster Symposium

Neurodegenerative disorders can cause signal disturbances on the neuronal spiking patterns within the brain. Parkinson’s disease, as an example, produces burst firings and synchronized oscillatory signal patterns. Accurately distinguishing between different brain spiking pattern activities is essential in finding effective neuromodulation or neurostimulation treatments for neurodegenerative disorders like Parkinson disease. Due to the lack of publicly available neuronal spiking pattern datasets containing different neuronal signal patterns and classes, we propose the generation of a novel three-class dataset. We then convert the generated signals into 2D images and separate the generated signal images into test and train datasets. We aim to …

Integrating Environmental Identity Into Engineering Education Through Augmented Reality, Mohammed Metwaly, Farid Breidi, Wade Goodridge, Sarah Bargal, Carie Green, Aqlan Faisal

Purdue Polytechnic Graduate Student Poster Symposium

This study aims to design, develop, and evaluate a Personalized Engineering Playground (PEP) that connects students' environmental experiences with engineering applications. It investigates the impact of early outdoor experiences on students' motivation to pursue engineering careers. Utilizing a comprehensive survey of over 150 engineering technology students, the study collected both quantitative and qualitative data on nature-related activities, career influences, and environmental perceptions. The findings indicate that activities such as building (23%), exploring (17%), and observing nature (20%) play a significant role in shaping engineering identity. Approximately 45% of the students reported that outdoor experiences had a positive influence on their …

Hierarchical Convolutional Attention Mixing (Hi-Cam) Transformer For Medical Image Segmentation, Md Motiur Rahman, Shiva Shokouhmand, Smriti Bhatt, Miad Faezipour

Purdue Polytechnic Graduate Student Poster Symposium

We propose Hi-CAM, a Hierarchical-Convolutional Attention Mixing transformer for medical image segmentation. It uses a pre-trained MaxViT encoder and a novel decoder that combines multi-head self-attention, spatial attention, and squeeze-and-excitation modules to capture long-range dependencies. Deep and shallow convolutions enhance spatial features, while skip connections fuse multi-level features and suppress noise. Experiments on ACDC and Synapse datasets show that Hi-CAM significantly outperforms state-of-the-art models, highlighting the effectiveness of the hierarchical attention-mixing strategy.

Finding What Keywords Miss: Vector Search For Digital Forensics, Adil Koeken, Samay Nandwana, Avantika Shah, Vinicius Lima, Umit Karabiyik

Purdue Polytechnic Graduate Student Poster Symposium

Digital investigators face challenges searching through massive data when coded language evades keyword searches. Our research shows how vector embeddings enhance digital forensics by detecting implicit drug references in social media. Using LLM2Vec with instruction-based embeddings, we significantly outperformed traditional keyword searches when dealing with slang, enabling investigators to find content based on meaning rather than exact word matching.

Extended Reality-Enabled Teleoperation Platform For Industrial Operations, Israa Azzam, Farid Breidi

Purdue Polytechnic Graduate Student Poster Symposium

Extended Reality (XR) environments enhance the efficacy of teleoperation systems, overcoming the limitations of 2D settings. This work aims to advance industrial teleoperations by investigating the capabilities of remote XR environments, selecting the optimal configuration, and developing an XR-Enabled Teleoperation Platform that integrates advanced controllers, allowing minimizing latency. The XR-Enabled Teleoperation Platform is designed integrating control protocols, including Adaptive Smoothing & Model Predictive Control to minimize latency and enhance synchronization. This framework is tested on a 6-DOF robotic arm, serving as a Digital Twin (DT), enabling bi-directional data exchange between the physical robotic arm and its virtual shadow

Ensemble Feature Selection For Network Intrusion Detection Systems Using Explainable Ai: A Frequency-Based Approach, Ismail Bibers, Mustafa Abdallah

Purdue Polytechnic Graduate Student Poster Symposium

We propose an XAI-based ensemble feature selection method combining XAI methods to reduce bias in IDS. A frequency-based approach identifies key features, validated on CICIDS-2017 with improved accuracy and efficiency. Our framework enhances robustness and interpretability in intrusion detection

Enhancing Surgical Tool Classification Using A Semi-Supervised Learning Autoencoder Approach, Shiva Shokouhmand, Md Motiur Rahman, Smriti Bhatt, Suranjan Panigrahi, Miad Faezipour

Purdue Polytechnic Graduate Student Poster Symposium

The purpose of this study is to develop a robust approach for identifying and classifying surgical instruments while addressing the challenges associated with traditional supervised learning methods, which require large annotated datasets. By comparing the performance of supervised machine learning and deep learning models with a semi-supervised autoencoder approach, this study aims to enhance efficiency and accuracy in automated and robotic-assisted surgical procedures. This will ultimately improve workflow optimization, error minimization, and real-time decision-making in the operating room

Efficient Heating For High Altitude Housing In Peru, Ajay Dalal, William Hutzel, Walter Leon-Salas

Purdue Polytechnic Graduate Student Poster Symposium

A research station is being built in Sumbay, Peru, located at an elevation of 13,543 feet above sea level. Because of the constant cold temperatures throughout the year and the remote off-grid location of the station, a efficient heating system is required for the on-site Airbnb residence. This project explores the viability of an air-source heat pump (ASHP) under high-altitude conditions with much lower air density. An Engineering Equation Solver (EES) model, an "altitude factor," and 8760-hour weather analysis were utilized to estimate the heating requirements. Preliminary results indicate as much as 40% derating in capacity at the high altitude, …

Demonstration Of A Digital Twin Framework For A Two-Actuator Hydraulic Application, Marvin R. Durango -Cogollo, Jose M. Garcia-Bravo

Purdue Polytechnic Graduate Student Poster Symposium

This project presents a digital twin framework for controlling a hydraulic crane using AI, mixed reality, and real-time actuation. Leveraging a Jetson Nano and Xbox Kinect for perception and a Raspberry Pi with DRV103 for control, the system enables adaptive motion planning and obstacle-aware navigation. A Unity-based interface integrated with HoloLens2 allows operators to visualize and manipulate the crane through FABRIK inverse kinematics. Real-time environmental mapping from Kinect enables obstacle detection to update the motion path dynamically. Early experiments confirm the ability to compute joint angles in real-time, detect environmental objects, and demonstrate closed-loop control in a virtual-physical hybrid system.

Compost Bin Monitoring System Through Iot And Lorawan, Nicolas Rendon-Arias, Luis Gerardo Ruiz Gonzalez, Sehyeon Lim, Walter Daniel Leon-Salas

Purdue Polytechnic Graduate Student Poster Symposium

This project improves agricultural land management and composting techniques by utilizing sensors and the Internet of Things. The initiative intends to enhance sustainable agriculture practices, maximize resource usage, and minimize waste. LoRaWAN wireless technology and sensors are used to continuously monitor parameters like temperature and composting conditions (CO2, ammonia, and pH), allowing for improved compost quality and accurate decision making. A crucial step in the creation of our system was the deployment of the LoRaWAN network, which enables long-distance sensor monitoring. Additionally, our system has an intuitive web-based interface to visualize the data at any place.

Burn Severity Assessment Using Deep Learning: Balancing Performance And Computational Efficiency, Saeka Rahman, Md Motiur Rahman, Mo Rastgaar, Miad Faezipour

Purdue Polytechnic Graduate Student Poster Symposium

Burn injuries present a substantial global public health challenge. This work presents a comprehensive analytical study of eight deep learning techniques designed for assessing burn severity in terms of four characteristics: inflammation, scar, uniformity, and pigmentation, in small datasets of 2-dimensional (2D) images captured using digital (smartphone) camera

A Preliminary Examination Of Chatgpt’S Capability In Developing Construction Education Instruments Through Bloom’S Taxonomy, Yanchao Zheng, Deniz Besiktepe, Luciana Debs

Purdue Polytechnic Graduate Student Poster Symposium

Effective assessment is essential in construction management (CM) education to evaluate student understanding of industry-demanded skills. Integrating the Bloom’s Taxonomy, American Council for Construction Education (ACCE) provides student learning outcomes (SLOs) for targeted learning objectives, as well as guiding assessment development. However, crafting high-quality assessment questions remains challenging for CM instructors. This study explores the potential of ChatGPT to generate assessment questions aligned with Bloom’s Taxonomy and using two ACCE student learning outcomes (SLOs): 1) creating construction project cost estimates and 2) analyzing methods, materials, and equipment. Generated questions were evaluated for alignment with Bloom’s levels, clarity, sufficiency, feasibility, and …

“The School Pretty Much Doesn’T Care . . . But I Do” Syllabus, Leconte J. Dill, Shavaun S. Sutton

Black Educology Mixtape "Journal"

Our “The School Pretty Much Doesn ’t Care . . . But I Do ” Syllabus frames school pushout as a structural determinant of health and one that disproportionately impacts Black girls. Therefore, we are calling in scholars, practitioners, and policymakers who do not operate solely in the field of education to recognize school pushout as a health inequity. Created through Black feminist and Black girlhood studies lenses and popular education approaches, our syllabus includes relevant transdisciplinary and cross-genre concepts, source material, and engaging activities. Overall, our syllabus seeks to guide those who educate, support, nurture, and love Black girls …

The Rapsody Syllabus: Rescripting The Erasure Of Black Women And Black Women Educators Through Rapsody’S Album Eve, Eghosa Obaizamomwan-Hamilton

Black Educology Mixtape "Journal"

This syllabus explores the connections between Rapsody’s album and the experiences of Black women, with an emphasis on education. Much like Black women in education, Rapsody 's talents are often obscured and minimized. Her album “Eve ” is a love letter to Black women and serves as a mirror for Black women educators. This syllabus centers on Black women and highlights the beauty and magic of our presence within oppressive institutions. It works to amplify and extend the nonfungible existence of Black women, the humanization of our voices and words as sacred texts, and illuminate our ever-evolving contributions. Black women’s …

Spare Change, Giavanna Deperio

Black Educology Mixtape "Journal"

No abstract provided.

Cal High’S March Towards Equity: A Documentation Of Strength And Empowerment At California High, Hailey Godin, Mehr Goel, Isabella Grima, Emma Black, Brooke Johnson, Amane Lee, Yukta Chutturi

Black Educology Mixtape "Journal"

This first edition, composed by nine co-authors and one talented illustrator, is not the first, nor the last, to seek something more from our community. We hope this book will be expanded by passionate students who come long after us, as they record, examine, and lend their voices to the social issues of their age. It’s hard work changing a system, whether it be a mechanical wonder or our society as a whole, but such work is never meant to be done alone and must be tackled with the utmost determination. For this, our book also aims to show the …

Why Would An Employee Quiet Quit?, Donika Gibson

Black Educology Mixtape "Journal"

As an African American woman with a career in a white-male-dominated environment, I experience quiet quitting daily. I am forced to feel as if I were hired to satisfy diversity, equity, and inclusion needs. To study organizational culture, work–life balance, and employee happiness, I synthesized, critically appraised, and examined 15 scholarly articles through the lens of Maslow’s 1943 hierarchy of needs, a psychology-based motivational theory. This study’s results may persuade leadership to self-examine leadership style, which can influence organizational culture, communication with project teams, prioritizing time and tasks, employee health, and ultimately, turnover rate. In addition, I interviewed an African …

Untitled, Unmastered., Simple Ant

Black Educology Mixtape "Journal"

From one writer to another:

Writing is often a therapeutic release for me. Being able to encounter my own words, as well as the words of others, has helped form the contours of my thinking and my ability to name. When I write, I am able to describe my experiences and my truths, but these words alone cannot help me live my convictions. In this sense, as a writer, the act of writing fails me. When we write, we dis-embody our beliefs. That is, we must take our beliefs from our body and bind them to the page. No longer …

Data Rap Research: Using Hip Hop For Critical Inquiry, Jonathan Tunstall

Black Educology Mixtape "Journal"

This track introduces a culturally relevant methodology that can aid qualitative researchers in analyzing hip-hop data while maintaining cultural integrity. The author employs a self-designed hip-hop methodology called Blackout Rap Transcription (BRT) to critically examine rap songs written by 300 middle school student participants. This methodology was designed by employing the hip-hop aesthetic of sampling and draws from: Poetic Transcription, Critical Hermeneutic Phenomenology, Grounded Theory, and Blackout Poetic Transcription. The track details how Blackout Rap Transcription is a culturally relevant way to conduct hip-hop-based research.

The Naked Soul Of A Dreamer, Abdou Kaba

Black Educology Mixtape "Journal"

No abstract provided.

Inferior To Who?, De’Jshon Maxwell-Garcia

Black Educology Mixtape "Journal"

This poem confronts the enduring impact of systemic racism and the internalized notions of inferiority imposed on Black folks in education and beyond. It reflects the lived experience of navigating microaggressions, stereotypes, and assumptions in academic spaces where Black excellence is often questioned or undermined. The speaker challenges perceptions of worth and rejects biases cloaked in "white saviorism. " The poem critiques historical and contemporary narratives that equate intelligence or achievement with whiteness and calls for self-recognition and pride, urging Black youth to reject internalized oppression and societal constraints. The poem culminates in a powerful reclamation of agency, asking the …

Maroon Science: A Counterstory Of Apocalypse, Abolition, And Abandonment, Kenjus Watson

Black Educology Mixtape "Journal"

This Critical Race Counterstory explores "Maroon Science," covert and adaptive knowledge systems rooted in African Sacred Sciences, as a means of navigating the dystopic polycrisis of anti-Blackness, Black youth suicide, and climate destruction. Framed through Apocalyptic Education, the work begins at the end, the inevitable collapse of western schooling and broader state systems it supports, to foreground fugitivity as essential to Black autonomy. The track maps connections between Black Indigeneity, ecological adaptation, and the concealment necessary for maroon communities to evade capture. The layered counterstory portrays Maroon Science as contingencies for African epistemologies of survival, flourishing in ungovernable pockets of …

A Place To Belong: Abolitionist Storywork Through The Experience Of An Unhoused Black Girl, Nichole Murray, Taryrn T.C. Brown, Deandra West

Black Educology Mixtape "Journal"

Black females experiencing homelessness face significant barriers in transitioning from secondary to postsecondary education (Government Accountability Office, 2016). Previous scholarship has often overlooked the complexities of intersectional identities and the nonmaterial aspects of being unhoused, such as social exclusion, stigma, and social legitimacy issues exacerbated by neoliberal conditions. This track employs endarkened storywork (Toliver, 2021), abolitionist pedagogy (Love, 2019), and critical race feminism (Evans-Winters & Esposito, 2010) to uplift the voice and complexity of a Black girl negotiating with her experience of being unhoused during her postsecondary educational journey. From these frameworks and through her story, we posit elements of …

“I Have To Say That The Struggle Was On The Wrong Focus”: Examining Past Transgressions To Reposition Our Futures For Black Education, Noah Nelson

Black Educology Mixtape "Journal"

Brown v. Board of Education (1954) opened new possibilities for Black education, but what many perceived as a victory for racial equality led to increased violence against Black communities. In response, Black communities pushed to establish independent educational institutions and programs that better reflected their cultural values, needs, and aspirations. These efforts embodied the dreams of Black educators who envisioned an education system rooted in community empowerment, anticolonial values, and self-determination. Juanita Wade, a Boston teacher and community organizer, exemplifies this transformative shift. In this track, I analyze Wade ’ s archival materials to document her critical contributions to Black …

(Re)Storying Our Education: Black School Counselors Engaging And Cultivating Black Joy And Resistance In P–12 Schooling, Renae D. Mayes, Riley Drake, Adrianne C. Robertson, Carla B. Cheatham, Betsy M. Perez

Black Educology Mixtape "Journal"

With the rise of national anti-DEI and anti-CRT legislation, public school continues to be unsafe for Black youth, their families, and Black educators. Yet Black people still find themselves in P–12 schools working to create fugitive spaces that resist the carceral nature of schooling while promoting abolitionist principles of healing, community, and joy. Toward this end, the authors interviewed 10 Black school counselors to understand their role in creating these spaces of Black joy and resistance. Findings from this study will help to expand the approaches Black counselors take in creating Black joy and resistance across educational spaces.