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🔍 gregory w. wornell 📂 Engineering
Showing 397 results for "gregory w. wornell" in Engineering
Engineering Preprint PDF DOI

Monolithically Integrated VO$_2$ Mott Oscillators for Energy-Efficient Spiking Neurons

Fabio Bersano, Cyrille Masserey, Vanessa Conti, Andrea Iaconeta, Niccolo' Martinolli, Ehsan Ansari, Anna Varini, Igor Stolichnov, Adrian Mihai Ionescu · 2026

Brain-inspired non-Boolean computing offers intrinsic error tolerance and parallelism, but its practical deployment is limited by the lack of compact, energy-efficient spiking hardware compatible with…

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Engineering Preprint PDF DOI

Design Space Exploration for ReRAM-based Architectures to Address Scaling Non-idealities

Ching-Yi Lin, Sahil Shah · 2026

ReRAM-based in-memory computing (IMC) architectures are promising candidates for energy-efficient matrix-vector multiplication. While scaling the size of ReRAM arrays allows for the amortization of po…

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Engineering Preprint PDF DOI

Structural Limits of Soft Fusion in Multi-Warden Covert Communication

Abbas Arghavani, Subhrakanti Dey, Anders Ahlen · 2026

This paper investigates covert wireless communication with a Fusion Center (FC) that aggregates raw energy measurements from multiple Wardens via soft fusion. Extending our prior work on power-thresho…

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Engineering Preprint PDF DOI

Data-adaptive spline surfaces for non-separable hyperelastic energy functions

Simon Wiesheier, Miguel Angel Moreno-Mateos, Paul Steinmann · 2026

Invariant-based models for incompressible isotropic hyperelasticity are typically formulated as functions of the first and second invariants, $W = W(\bar{I}_1, \bar{I}_2)$. A widely used class of mode…

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Engineering Preprint PDF DOI

A Wirtinger Power Flow Jacobian Singularity Condition for Voltage Stability in Converter-Rich Power Systems

Ahmed Mesfer Alkhudaydi, Bai Cui · 2026

The progression of modern power systems towards converter-rich operations calls for new models and analytics in steady-state voltage stability assessment. The classic modeling assumption of the genera…

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Engineering Preprint PDF DOI

SoftHand Model-W: A 3D-Printed, Anthropomorphic, Underactuated Robot Hand with Integrated Wrist and Carpal Tunnel

Dhillon B. Merritt, Christopher J. Ford, Haoran Li, Malia Smith, Zhixing Chen, Efi Psomopoulou, Nathan F. Lepora · 2026

This paper presents the SoftHand Model-W: a 3D-printed, underactuated, anthropomorphic robot hand based on the Pisa/IIT SoftHand, with an integrated antagonistic tendon mechanism and 2 degree-of-freed…

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Engineering Preprint PDF DOI

A Gaussian Process Framework for Outage Analysis in Continuous-Aperture Fluid Antenna Systems

Tuo Wu, Jianchao Zheng · 2026

This paper develops a comprehensive analytical framework for the outage probability of fluid antenna system (FAS)-aided communications by modeling the antenna as a continuous aperture and approximatin…

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Engineering Preprint PDF DOI

Karhunen-Lo\`{e}ve Expansion for Fluid Antenna Systems: Information-Theoretic Optimal Channel Compression and Outage Analysis

Tuo Wu · 2026

Fluid antenna systems (FAS) achieve spatial diversity by dynamically switching among $N$ densely packed ports, but the resulting spatially correlated Rayleigh channels render exact outage analysis int…

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Engineering Preprint PDF DOI

VIP-Loco: A Visually Guided Infinite Horizon Planning Framework for Legged Locomotion

Aditya Shirwatkar, Satyam Gupta, Shishir Kolathaya · 2026

Perceptive locomotion for legged robots requires anticipating and adapting to complex, dynamic environments. Model Predictive Control (MPC) serves as a strong baseline, providing interpretable motion …

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Engineering Preprint PDF DOI

Multi-View Based Audio Visual Target Speaker Extraction

Peijun Yang, Zhan Jin, Juan Liu, Ming Li · 2026

Audio-Visual Target Speaker Extraction (AVTSE) aims to separate a target speaker's voice from a mixed audio signal using the corresponding visual cues. While most existing AVTSE methods rely exclusive…

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Engineering Preprint PDF DOI

SMAT: Staged Multi-Agent Training for Co-Adaptive Exoskeleton Control

Yifei Yuan, Ghaith Androwis, Xianlian Zhou · 2026

Effective exoskeleton assistance requires co-adaptation: as the device alters joint dynamics, the user reorganizes neuromuscular coordination, creating a non-stationary learning problem. Most learning…

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Engineering Preprint PDF DOI

Self-Curriculum Model-based Reinforcement Learning for Shape Control of Deformable Linear Objects

Zhaowei Liang, Song Wang, Zhao Jin, Shirui Wu, Dan Wu · 2026

Precise shape control of Deformable Linear Objects (DLOs) is crucial in robotic applications such as industrial and medical fields. However, existing methods face challenges in handling complex large …

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Engineering Preprint PDF DOI

VLAW: Iterative Co-Improvement of Vision-Language-Action Policy and World Model

Yanjiang Guo, Tony Lee, Lucy Xiaoyang Shi, Jianyu Chen, Percy Liang, Chelsea Finn · 2026

The goal of this paper is to improve the performance and reliability of vision-language-action (VLA) models through iterative online interaction. Since collecting policy rollouts in the real world is …

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Engineering Preprint PDF DOI

Wavelet-Domain Masked Image Modeling for Color-Consistent HDR Video Reconstruction

Yang Zhang, Zhangkai Ni, Wenhan Yang, Hanli Wang · 2026

High Dynamic Range (HDR) video reconstruction aims to recover fine brightness, color, and details from Low Dynamic Range (LDR) videos. However, existing methods often suffer from color inaccuracies an…

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Engineering Preprint PDF DOI

Super-Resolution and Denoising of Corneal B-Scan OCT Imaging Using Diffusion Model Plug-and-Play Priors

Yaning Wang, Jinglun Yu, Wenhan Guo, Ziyi Huang, Rosalinda Xiong, Yu Sun, Jin U. Kang · 2026

Optical coherence tomography (OCT) is pivotal in corneal imaging for both surgical planning and diagnosis. However, high-speed acquisitions often degrade spatial resolution and increase speckle noise,…

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Engineering Preprint PDF DOI

Physics-based generation of multilayer corneal OCT data via Gaussian modeling and MCML for AI-driven diagnostic and surgical guidance applications

Jinglun Yu, Yaning Wang, Rosalinda Xiong, Ziyi Huang, Kristina Irsch, Jin U. Kang · 2026

Training deep learning models for corneal optical coherence tomography (OCT) imaging is limited by the availability of large, well-annotated datasets. We present a configurable Monte Carlo simulation …

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Engineering Preprint PDF DOI

PanopMamba: Vision State Space Modeling for Nuclei Panoptic Segmentation

Ming Kang, Fung Fung Ting, Raphael C.-W. Phan, Zongyuan Ge, Chee-Ming Ting · 2026

Nuclei panoptic segmentation supports cancer diagnostics by integrating both semantic and instance segmentation of different cell types to analyze overall tissue structure and individual nuclei in his…

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Engineering Preprint PDF DOI

W-DUALMINE: Reliability-Weighted Dual-Expert Fusion With Residual Correlation Preservation for Medical Image Fusion

Md. Jahidul Islam · 2026

Medical image fusion integrates complementary information from multiple imaging modalities to improve clinical interpretation. However, existing deep learningbased methods, including recent spatial-fr…

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Engineering Preprint PDF DOI

A Systems-Engineered ESP32 DAQ Architecture and FAIR Data Workflow for Small-Scale Wind Turbine Performance Measurement in Tropical Environments

Asitha Lakruwan Kulasekera · 2026

Small-scale wind turbine research in resource-constrained academic settings frequently produces unreliable or unpublishable datasets due to ad-hoc instrumentation, inadequate time synchronization, sto…

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Engineering Preprint PDF DOI

A 2.5 $\mu$W 30 nV/$\surd$Hz Instrumentation Amplifier for Bioimpedance Sensors with Source Degenerated Current Mirror and DTMOS Transistor

Yu Xue, Kwantae Kim · 2026

This paper proposes a low-power and low-noise instrumentation amplifier (IA) tailored for bioimpedance sensing applications. The design originates from a gain-boosted flipped voltage follower (FVF) tr…

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