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Showing 825 results for "spain)" in Engineering · Preprint
Engineering Preprint PDF DOI

Feedback Linearization of Hyperbolic PDEs with Volterra Nonlinearities

Miroslav Krstic · 2026

Alberto Isidori's framework of geometric nonlinear control, and particularly of feedback linearization, is the inspiration behind PDE backstepping: apply a transfromation of the state to cast the plan…

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Engineering Preprint PDF DOI

Impact of Background Dense Multipath Components on Multi-Band Fusion ISAC Systems

Dexin Wang, Roberto Bomfin, Ahmad Bazzi, Marwa Chafii · 2026

Multi-band sensing has emerged as a key enabler of integrated sensing and communication (ISAC), one of the six primary usage scenarios defined for IMT-2030 (6G). The introduction of frequency range 3 …

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Engineering Preprint PDF DOI

Monitoring exposure-length variations in submarine power cables using distributed fiber-optic sensing

Sakiko Mishima, Yoshiyuki Yajima, Noriyuki Tonami, Tomoyuki Hino, Shugo Aibe, Junichiro Saikawa, Koji Mizuguchi · 2026

This study proposes an anomaly-detection framework for monitoring exposure-length variations in submarine free-span cables using Distributed Acoustic Sensing (DAS), which is one of the distributed fib…

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Engineering Preprint PDF DOI

Assessing the dynamic response of long-span bridges under simultaneous wind and traffic loads

Gledson Rodrigo Tondo, Guido Morgenthal · 2026

Wind-traffic interactions strongly influence the dynamic response of long-span bridges, yet loads are often analysed independently. This work models concurrent wind and traffic and demonstrates that i…

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Engineering Preprint PDF DOI

Low-Cost Turntable Designed for RF Phased Array Antenna Active Element Pattern Measurement

Rebekah Edwards, Taylor Martini, Jonathan E. Swindell, David W. Cox, Adam C. Goad, Austin Egbert, Charles Baylis, Robert J. Marks · 2026

Accurate antenna array calibrations and measurements of aspects such as active element pattern (AEP) are critical for enabling integrated sensing and communication (ISAC) technologies such as directio…

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Engineering Preprint PDF DOI

Wildfires Quasi-Implicit Alternative-Direction Simulations using Isogeometric Finite Element Method

Juliusz Wasieleski, Tomasz S{l}uzalec, Maciej Wozniak, Marcin {L}os, Andres Medina, Paulina Sepulveda, Albert Oliver Serra, Eirik Valseth, Anna Paszynska, Maciej Paszynski · 2026

We develop a wildfire simulation model that evolves the temperature scalar field using an energy balance equation accounting for heat generation, transport, and loss. For these equations, we develop q…

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Engineering Preprint PDF DOI

CAVERS: Multimodal SLAM Data from a Natural Karstic Cave with Ground Truth Motion Capture

Giacomo Franchini, David Rodriguez-Martinez, Alfonso Martinez-Petersen, C. J. Perez-del-Pulgar, Marcello Chiaberge · 2026

Autonomous robots operating in natural karstic caves face perception and navigation challenges that are qualitatively distinct from those encountered in mines or tunnels: irregular geometry, reflectiv…

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Engineering Preprint PDF DOI

Learning Racket-Ball Bounce Dynamics Across Diverse Rubbers for Robotic Table Tennis

Thomas Gossard · 2026

Accurate dynamic models for racket-ball bounces are essential for reliable control in robotic table tennis. Existing models typically assume simple linear models and are restricted to inverted rubbers…

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Engineering Preprint PDF DOI

Sensor-Based Natural Frequency Testing

Nicholas Suits, Masudul Imtiaz · 2026

Everything that exists has a natural frequency; this material characteristic is something that must be known and fully understood. If we fail to predict, measure, and address potential natural frequen…

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Engineering Preprint PDF DOI

ospEDA: Orthogonal Subspace Projection for Electrodermal Activity Decomposition

Yongbin Lee, Youngsun Kong, Ki H. Chon · 2026

Electrodermal activity (EDA) is a widely used physiological signal for assessing sympathetic nervous activity, such as arousal, stress, and pain. However, reliable decomposition into tonic and phasic …

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Engineering Preprint PDF DOI

RAIN-FIT: Learning of Fitting Surfaces and Noise Distribution from Large Data Sets

Omar M. Sleem, Sahand Kiani, Constantino M. Lagoa · 2026

This paper proposes a method for estimating a surface that contains a given set of points from noisy measurements. More precisely, by assuming that the surface is described by the zero set of a functi…

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Engineering Preprint PDF DOI

Cooperative Detour Planning for Dual-Task Drone Fleets

Pengbo Zhu, Meng Xu, Andreas A. Malikopoulos, Nikolas Geroliminis · 2026

As Urban air mobility scales, commercial drone fleets offer a compelling, yet underexplored opportunity to function as mobile sensor networks for real-time urban traffic monitoring. In this paper, we …

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Engineering Preprint PDF DOI

A Self-Rotating Tri-Rotor UAV for Field of View Expansion and Autonomous Flight

Xiaobin Zhou, Zihao Zheng, Aoxu Jin, Lei Qiang, Bo Zhu · 2026

Unmanned Aerial Vehicles (UAVs) perception relies on onboard sensors like cameras and LiDAR, which are limited by the narrow field of view (FoV). We present Self-Perception INertial Navigation Enabled…

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Engineering Preprint PDF DOI

Bridging the numerical-physical gap in acoustic holography via end-to-end differentiable structural optimization

Moon Hwan Lee, Mohd. Afzal Khan, Akm Ashiquzzaman, Eunbin Lee, Jonghun Lee, Euiheon Chung, Hyuk-Sang Kwon, Jae Youn Hwang · 2026

Acoustic holography provides a practical means of flexibly controlling acoustic wavefronts. However, high-fidelity shaping of acoustic fields remains constrained by the numerical-physical gap inherent…

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Engineering Preprint PDF DOI

Spectrogram features for audio and speech analysis

Ian McLoughlin, Lam Pham, Yan Song, Xiaoxiao Miao, Huy Phan, Pengfei Cai, Qing Gu, Jiang Nan, Haoyu Song, Donny Soh · 2026

Spectrogram-based representations have grown to dominate the feature space for deep learning audio analysis systems, and are often adopted for speech analysis also. Initially, the primary motivator fo…

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Engineering Preprint PDF DOI

Field Free Novel Architecture for Spintronic Flash Analog to Digital Converter

Abin Francis, Nikhil Kumar, Prince Philip · 2026

A 3 bit Analog to Digital Converter (ADC) is designed using perpendicular Spin Orbit Torque Magnetic Tunnel Junction (SOT MTJ). A sampled analog input signal is transmitted as a spin orbit torque curr…

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Engineering Preprint PDF DOI

SPAN-Nav: Generalized Spatial Awareness for Versatile Vision-Language Navigation

Jiahang Liu, Tianyu Xu, Jiawei Chen, Lu Yue, Jiazhao Zhang, Zhiyong Wang, Minghan Li, Qisheng Zhao, Anqi Li, Qi Su, Zhizheng Zhang, He Wang · 2026

Recent embodied navigation approaches leveraging Vision-Language Models (VLMs) demonstrate strong generalization in versatile Vision-Language Navigation (VLN). However, reliable path planning in compl…

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Engineering Preprint PDF DOI

FoMo: A Multi-Season Dataset for Robot Navigation in For\^et Montmorency

Matej Boxan, Gabriel Jeanson, Alexander Krawciw, Effie Daum, Xinyuan Qiao, Sven Lilge, Timothy D. Barfoot, Francois Pomerleau · 2026

The For\^et Montmorency (FoMo) dataset is a comprehensive multi-season data collection, recorded over the span of one year in a boreal forest. Featuring a unique combination of on- and off-pavement en…

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Engineering Preprint PDF DOI

Aero-Promptness: Drag-Aware Aerodynamic Manipulability for Propeller-driven Vehicles

Antonio Franchi · 2026

This work introduces the Drag-Aware Aerodynamic Manipulability (DAAM), a geometric framework for control allocation in redundant multirotors. By equipping the propeller spin-rate space with a Riemanni…

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Engineering Preprint PDF DOI

Model-Based and Neural-Aided Approaches for Dog Dead Reckoning

Gal Versano, Itai Savin, Itzik Klein · 2026

Modern canine applications span medical and service roles, while robotic legged dogs serve as autonomous platforms for high-risk industrial inspection, disaster response, and search and rescue operati…

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