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🔍 kathryn roeder 📂 Engineering
Showing 1290 results for "kathryn roeder" in Engineering
Engineering Preprint PDF DOI

Similarity Choice and Negative Scaling in Supervised Contrastive Learning for Deepfake Audio Detection

Jaskirat Sudan, Hashim Ali, Surya Subramani, Hafiz Malik · 2026

Supervised contrastive learning (SupCon) is widely used to shape representations, but has seen limited targeted study for audio deepfake detection. Existing work typically combines contrastive terms w…

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Engineering Preprint PDF DOI

Supporting Family-School Partnerships with Robot-Facilitated Home-Based Activities

Michael F Xu, Qiyao Yang, Heather Kirkorian, Bilge Mutlu · 2026

Family-school partnerships (FSP) are critical to children's development, yet families often face barriers such as time constraints, fragmented communication, and limited opportunities for meaningful e…

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Engineering Preprint PDF DOI

Multi-Cycle Spatio-Temporal Adaptation in Human-Robot Teaming

Alex Cuellar, Michael Hagenow, Julie Shah · 2026

Effective human-robot teaming is crucial for the practical deployment of robots in human workspaces. However, optimizing joint human-robot plans remains a challenge due to the difficulty of modeling i…

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Engineering Preprint PDF DOI

Harmonizing MR Images Across 100+ Scanners: Multi-site Validation with Traveling Subjects and Real-world Protocols

Savannah P. Hays, Lianrui Zuo, Muhammad Faizyab Ali Chaudhary, Kathleen M. Bartz, Samuel W. Remedios, Jinwei Zhang, Jiachen Zhuo, Murat Bilgel, Shiv Saidha, Ellen M. Mowry, Scott D. Newsome, Jerry L. Prince, Blake E. Dewey, Aaron Carass · 2026

Reliable harmonization of heterogeneous magnetic resonance~(MR) image datasets, especially those acquired in pragmatic clinical trials, is critical to advance multi-center neuroimaging studies and tra…

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Engineering Preprint PDF DOI

VIDS: A Verified Imaging Dataset Standard for Medical AI

Joan S. Muthu, John Shalen · 2026

Medical imaging AI development is fundamentally dependent on annotated datasets, yet no existing standard provides machine-enforceable validation across dataset structure, annotation provenance, quali…

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Engineering Preprint PDF DOI

Coordinated Dynamic Operating Envelopes for Unlocking Additional Flexibility at Grid Edge

Ali Jalilian, Deepjyoti Deka, Md. Umar Hashmi, Dirk Van Hertem · 2026

Dynamic operating envelopes (DOEs) provide a systematic framework to integrate the flexibility of distribution grid resources while safeguarding network limits such as line ratings and voltage bounds.…

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Engineering Preprint PDF DOI

Trapping Regions for Quadratic Systems with Generalized Lossless Nonlinearities

Diganta Bhattacharjee, Shih-Chi Liao, Peter J. Seiler, Maziar S. Hemati · 2026

A trapping region is a compact set that is forward invariant with respect to the dynamics. Existence of a trapping region certifies boundedness of trajectories, and the size of the set provides an est…

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Engineering Preprint PDF DOI

Synchronization-Safe Dynamic Microgrid Formation for DER-Led Distribution System Restoration With Constraint-Aware Graph Learning

Cong Bai, Salish Maharjan, Yunyi Li, Wenlong Shi, Zhaoyu Wang · 2026

Prolonged blackouts in distribution systems (DSs) with high penetration of distributed energy resources (DERs) necessitate novel restoration strategies to rapidly restore loads. However, the resulting…

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Engineering Preprint PDF DOI

NEAT-NC: NEAT guided Navigation Cells for Robot Path Planning

Hibatallah Meliani, Khadija Slimani, Samira Khoulji · 2026

To navigate a space, the brain makes an internal representation of the environment using different cells such as place cells, grid cells, head direction cells, border cells, and speed cells. All these…

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Engineering Preprint PDF DOI

Quantification and Regulation of Energy Reserves for Distributed Frequency and Voltage Control of Grid-Forming Inverters

Ahmed Saad Al-Karsani, Maryam Khanbaghi · 2026

The introduction of Renewable Energy Sources (RES) and Distributed Energy Resources (DERs) has led to the formulation of Microgrids (MGs) and Networks of MGs (NMGs). MGs and NMGs can operate in island…

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Engineering Preprint PDF DOI

Importance of Aggregated DER Installed Capacity in Distribution Networks

Alexandre M. V. Gouveia, Md. Umar Hashmi, Reinhilde D'hulst, Dirk Van Hertem · 2026

The increasing penetration of Distributed Energy Resources (DERs), particularly electric vehicles, heat pumps, and photovoltaic systems, is fundamentally changing power flows in Low-Voltage (LV) distr…

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Engineering Preprint PDF DOI

Applied AI-Enhanced RF Interference Rejection

Rahul Jain, Pierre Trepagnier, Rick Gentile, Joey Botero, Alexia Schulz · 2026

AI-enhanced interference rejection in radio frequency (RF) transmissions has recently attracted interest because deep learning approaches trained on both the signal of interest (SOI) and the signal mi…

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Engineering Preprint PDF DOI

VULCAN: Vision-Language-Model Enhanced Multi-Agent Cooperative Navigation for Indoor Fire-Disaster Response

Shengding Liu, Qiben Yan · 2026

Indoor fire disasters pose severe challenges to autonomous search and rescue due to dense smoke, high temperatures, and dynamically evolving indoor environments. In such time-critical scenarios, multi…

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Engineering Preprint PDF DOI

Scalable Optimization for Mobility-Aware Coordinated Electric Vehicle Charging in Distribution Power Networks

Yi Ju, Lunlong Li, Jingchun Wang, Scott Moura · 2026

Rapid growth in electric-vehicle (EV) charging demand is placing increasing stress on distribution power networks (DPNs), whose hosting capacity is often limited and spatially uneven. Beyond demonstra…

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Engineering Preprint PDF DOI

ComSim: Building Scalable Real-World Robot Data Generation via Compositional Simulation

Yiran Qin, Jiahua Ma, Li Kang, Wenzhan Li, Yihang Jiao, Xin Wen, Xiufeng Song, Heng Zhou, Jiwen Yu, Zhenfei Yin, Xihui Liu, Philip Torr, Yilun Du, Ruimao Zhang · 2026

Recent advancements in foundational models, such as large language models and world models, have greatly enhanced the capabilities of robotics, enabling robots to autonomously perform complex tasks. H…

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Engineering Preprint PDF DOI

Wideband Illumination with Liquid Crystal Reconfigurable Intelligent Surfaces: Modeling, Design, and Experimental Tests

Mohamadreza Delbari, Robin Neuder, Alejandro Jimenez-Saez, Qikai Zhou, Vahid Jamali · 2026

Liquid crystal (LC) is a promising hardware solution for implementing large RISs, as it is cost-effective, energy efficient, scalable, and capable of providing continuous phase shifts with low power c…

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Engineering Preprint PDF DOI

One Interface, Many Robots: Unified Real-Time Low-Level Motion Planning for Collaborative Arms

Yue Feng, Weicheng Huang, I-Ming Chen · 2026

This paper proposes a common interface for real-time low-level motion planning of collaborative robotic arms, aimed at enabling broader applicability and improved portability across heterogeneous hard…

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Engineering Preprint PDF DOI

Towards socio-techno-economic power systems with demand-side flexibility

Hanmin Cai, Federica Bellizio, Yi Guo, Gabriele Humbert, Mina Montazeri, Julie Rousseau, Matthias Brandes, Arnab Chatterjee, Andrea Gattiglio, Leandro von Krannichfeldt, Emmanouil Thrampoulidis, Varsha N. Behrunani, Goran Strbac, Philipp Heer · 2026

Harnessing the demand-side flexibility in building and mobility sectors can help to better integrate renewable energy into power systems and reduce global CO2 emissions. Enabling this sector coupling …

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Engineering Preprint PDF DOI

Spurious-Free Lithium Niobate Bulk Acoustic Wave Resonator with Grounded-Ring Electrode

Vakhtang Chulukhadze, Kristi Nguyen, Eric Stolt, Kilian Shambaugh, Weston Braun, Tzu-Hsuan Hsu, Osama Jameel, Juan Rivas-Davila, Ruochen Lu · 2026

High-performance piezoelectric resonators are promising energy storage elements for piezoelectric power conversion due to their compact footprint and low loss at frequencies where conventional magneti…

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Engineering Preprint PDF DOI

Leaderless Collective Motion in Affine Formation Control over the Complex Plane

Jesus Bautista, Enric Morella, Lili Wang, Hector Garcia de Marina · 2026

We propose a method for the collective maneuvering of affine formations in the plane by modifying the original weights of the Laplacian matrix used to achieve static formations of robot swarms. Specif…

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