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๐Ÿ” igor razgon ๐Ÿ“‚ Engineering
Showing 155 results for "igor razgon" in Engineering
Engineering Preprint PDF DOI

The Radon Transform, True Time Delay Beamforming, and Ultra-Wideband Antenna Arrays (Invited Paper)

Tyler Ikehara, Ibrahim Pehlivan, Danijela Cabric, Thomas L. Marzetta ยท 2026

The FR3 band has emerged as the major focus of 6G wireless research. FR3 cellular operation presents the challenge of extreme bandwidth combined with physically large antenna arrays. In this regime, cโ€ฆ

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Engineering Preprint PDF DOI

Shocks without shock capturing: Information geometric regularization of finite volume methods for Navier--Stokes-like problems

Anand Radhakrishnan, Benjamin Wilfong, Spencer H. Bryngelson, Florian Schafer ยท 2026

Shock waves in high-speed fluid dynamics produce near-discontinuities in the fluid momentum, density, and energy. Most contemporary works use artificial viscosity or limiters as numerical mitigation oโ€ฆ

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Engineering Preprint PDF DOI

Beyond Binary Success: Sample-Efficient and Statistically Rigorous Robot Policy Comparison

David Snyder, Apurva Badithela, Nikolai Matni, George Pappas, Anirudha Majumdar, Masha Itkina, Haruki Nishimura ยท 2026

Generalist robot manipulation policies are becoming increasingly capable, but are limited in evaluation to a small number of hardware rollouts. This strong resource constraint in real-world testing neโ€ฆ

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Engineering Preprint PDF DOI

Restoring Linguistic Grounding in VLA Models via Train-Free Attention Recalibration

Ninghao Zhang, Bin Zhu, Shijie Zhou, Jingjing Chen ยท 2026

Vision-Language-Action (VLA) models enable robots to perform manipulation tasks directly from natural language instructions and are increasingly viewed as a foundation for generalist robotic policies.โ€ฆ

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Engineering Preprint PDF DOI

A Novel One-tap Equalizer for Zero-Padded AFDM System over Doubly Selective Channels

Chenyang Zhang, Akram Shafie, Cheng Shen, Deepak Mishra, Jinhong Yuan ยท 2026

Recently, affine frequency division multiplexing (AFDM) has gained traction as a robust solution for doubly selective channels. In this paper, we present a novel low-complexity one-tap equalizer for zโ€ฆ

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Engineering Preprint PDF DOI

ParkDiffusion++: Ego Intention Conditioned Joint Multi-Agent Trajectory Prediction for Automated Parking using Diffusion Models

Jiarong Wei, Anna Rehr, Christian Feist, Abhinav Valada ยท 2026

Automated parking is a challenging operational domain for advanced driver assistance systems, requiring robust scene understanding and interaction reasoning. The key challenge is twofold: (i) predict โ€ฆ

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Engineering Preprint PDF DOI

Scale-PINN: Learning Efficient Physics-Informed Neural Networks Through Sequential Correction

Pao-Hsiung Chiu, Jian Cheng Wong, Chin Chun Ooi, Chang Wei, Yuchen Fan, Yew-Soon Ong ยท 2026

Physics-informed neural networks (PINNs) have emerged as a promising mesh-free paradigm for solving partial differential equations, yet adoption in science and engineering is limited by slow training โ€ฆ

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Engineering Preprint PDF DOI

VIGOR: Visual Goal-In-Context Inference for Unified Humanoid Fall Safety

Osher Azulay, Zhengjie Xu, Andrew Scheffer, Stella X. Yu ยท 2026

Reliable fall recovery is critical for humanoids operating in cluttered environments. Unlike quadrupeds or wheeled robots, humanoids experience high-energy impacts, complex whole-body contact, and larโ€ฆ

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Engineering Preprint PDF DOI

Multiconfiguration Pair-Density Functional Theory Calculations of Low-lying States of Complex Chemical Systems with Quantum Computers

Zhanou Liu, Yuhao Chen, Yingjin Ma, Xiao He, Yuxin Deng ยท 2026

Accurately describing strong electron correlation in complex systems remains a prominent challenge in computational chemistry as near-term quantum algorithms treating total correlation often require pโ€ฆ

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Engineering Preprint PDF DOI

Radiomics in Medical Imaging: Methods, Applications, and Challenges

Fnu Neha, Deepak kumar Shukla ยท 2026

Radiomics enables quantitative medical image analysis by converting imaging data into structured, high-dimensional feature representations for predictive modeling. Despite methodological developments โ€ฆ

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Engineering Preprint PDF DOI

Scalable Screw-Theoretic Synthesis for PDE-Based Dynamic Modeling of Multibody Flexible Manipulators

S. Yaqubi, J. Mattila ยท 2026

This paper presents a novel and scalable screw-theoretic multibody synthesis framework for PDE-based dynamic modeling of serial robotic manipulators with an arbitrary number of flexible links in threeโ€ฆ

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Engineering Preprint PDF DOI

Design and Development of Modular Limbs for Reconfigurable Robots on the Moon

Gustavo H. Diaz, A. Sejal Jain, Matteo Brugnera, Elian Neppel, Shreya Santra, Kentaro Uno, Kazuya Yoshida ยท 2026

In this paper, we present the development of 4-DOF robot limbs, which we call Moonbots, designed to connect in various configurations with each other and wheel modules, enabling adaptation to differenโ€ฆ

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Engineering Preprint PDF DOI

ALBATROSS: A robotised system for high-throughput electrolyte screening via automated electrolyte formulation, coin-cell fabrication, and electrochemical evaluation

Hyun-Gi Lee, Jaekyeong Han, Minjun Kwon, Hyeonuk Kwon, Jooha Park, Hoe Jin Ha, Dong-Hwa Seo ยท 2025

As battery technologies advance toward higher stability and energy density, the need for extensive cell-level testing across various component configurations becomes critical. To evaluate performance โ€ฆ

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Engineering Preprint PDF DOI

GPU-native Embedding of Complex Geometries in Adaptive Octree Grids Applied to the Lattice Boltzmann Method

Khodr Jaber, Ebenezer E. Essel, Pierre E. Sullivan ยท 2025

Adaptive mesh refinement (AMR) reduces computational costs in CFD by concentrating resolution where needed, but efficiently embedding complex, non-aligned geometries on GPUs remains challenging. We prโ€ฆ

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Engineering Preprint PDF DOI

DataOps-driven CI/CD for analytics repositories

Dmytro Valiaiev ยท 2025

The proliferation of SQL for data processing has often occurred without the rigor of traditional software development, leading to siloed efforts, logic replication, and increased risk. This ad-hoc appโ€ฆ

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Engineering Preprint PDF DOI

RADRON: Cooperative Localization of Ionizing Radiation Sources by MAVs with Compton Cameras

Petr Stibinger, Tomas Baca, Daniela Doubravova, Jan Rusnak, Jaroslav Solc, Jan Jakubek, Petr Stepan, Martin Saska ยท 2025

We present a novel approach to localizing radioactive material by cooperating Micro Aerial Vehicles (MAVs). Our approach utilizes a state-of-the-art single-detector Compton camera as a highly sensitivโ€ฆ

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Engineering Preprint PDF DOI

Common Task Framework For a Critical Evaluation of Scientific Machine Learning Algorithms

Philippe Martin Wyder, Judah Goldfeder, Alexey Yermakov, Yue Zhao, Stefano Riva, Jan P. Williams, David Zoro, Amy Sara Rude, Matteo Tomasetto, Joe Germany, Joseph Bakarji, Georg Maierhofer, Miles Cranmer, J. Nathan Kutz ยท 2025

Machine learning (ML) is transforming modeling and control in the physical, engineering, and biological sciences. However, rapid development has outpaced the creation of standardized, objective benchmโ€ฆ

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Engineering Preprint PDF DOI

Seed3D 1.0: From Images to High-Fidelity Simulation-Ready 3D Assets

Jiashi Feng, Xiu Li, Jing Lin, Jiahang Liu, Gaohong Liu, Weiqiang Lou, Su Ma, Guang Shi, Qinlong Wang, Jun Wang, Zhongcong Xu, Xuanyu Yi, Zihao Yu, Jianfeng Zhang, Yifan Zhu, Rui Chen, Jinxin Chi, Zixian Du, Li Han, Lixin Huang, Kaihua Jiang, Yuhan Li, Guan Luo, Shuguang Wang, Qianyi Wu, Fan Yang, Junyang Zhang, Xuanmeng Zhang ยท 2025

Developing embodied AI agents requires scalable training environments that balance content diversity with physics accuracy. World simulators provide such environments but face distinct limitations: viโ€ฆ

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Engineering Preprint PDF DOI

The method of the approximate inverse for limited-angle CT

Bernadette Hahn, Gael Rigaud, Richard Schmahl ยท 2025

Limited-angle computerized tomography stands for one of the most difficult challenges in imaging. Although it opens the way to faster data acquisition in industry and less dangerous scans in medicine,โ€ฆ

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Engineering Preprint PDF DOI

Report of the 2025 Workshop on Next-Generation Ecosystems for Scientific Computing: Harnessing Community, Software, and AI for Cross-Disciplinary Team Science

Lois Curfman McInnes, Dorian Arnold, Prasanna Balaprakash, Mike Bernhardt, Beth Cerny, Anshu Dubey, Roscoe Giles, Denice Ward Hood, Mary Ann Leung, Vanessa Lopez-Marrero, Paul Messina, Olivia B. Newton, Chris Oehmen, Stefan M. Wild, Jim Willenbring, Lou Woodley, Tony Baylis, David E. Bernholdt, Chris Camano, Johannah Cohoon, Charles Ferenbaugh, Stephen M. Fiore, Sandra Gesing, Diego Gomez-Zara, James Howison, Tanzima Islam, David Kepczynski, Charles Lively, Harshitha Menon, Bronson Messer, Marieme Ngom, Umesh Paliath, Michael E. Papka, Irene Qualters, Elaine M. Raybourn, Katherine Riley, Paulina Rodriguez, Damian Rouson, Michelle Schwalbe, Sudip K. Seal, Ozge Surer, Valerie Taylor, Lingfei Wu ยท 2025

This report summarizes insights from the 2025 Workshop on Next-Generation Ecosystems for Scientific Computing: Harnessing Community, Software, and AI for Cross-Disciplinary Team Science, which conveneโ€ฆ

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