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๐Ÿ” afra amini ๐Ÿ“‚ Engineering
Showing 341 results for "afra amini" in Engineering
Engineering Preprint PDF DOI

Efficient Reinforcement Learning using Linear Koopman Dynamics for Nonlinear Robotic Systems

Wenjian Hao, Yuxuan Fang, Zehui Lu, Shaoshuai Mou ยท 2026

This paper presents a model-based reinforcement learning (RL) framework for optimal closed-loop control of nonlinear robotic systems. The proposed approach learns linear lifted dynamics through Koopmaโ€ฆ

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Engineering Preprint PDF DOI

AURA: Multimodal Shared Autonomy for Real-World Urban Navigation

Yukai Ma, Honglin He, Selina Song, Wayne Wu, Bolei Zhou ยท 2026

Long-horizon navigation in complex urban environments relies heavily on continuous human operation, which leads to fatigue, reduced efficiency, and safety concerns. Shared autonomy, where a Vision-Lanโ€ฆ

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Engineering Preprint PDF DOI

Model Predictive Path Integral PID Control for Learning-Based Path Following

Teruki Kato, Koshi Oishi, Seigo Ito ยท 2026

Classical proportional--integral--derivative (PID) control is widely employed in industrial applications; however, achieving higher performance often motivates the adoption of model predictive controlโ€ฆ

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Engineering Preprint PDF DOI

Robotic Agentic Platform for Intelligent Electric Vehicle Disassembly

Zachary Allen, Max Conway, Lyle Antieau, Allen Ponraj, Nikolaus Correll ยท 2026

Electric vehicles (EV) create an urgent need for scalable battery recycling, yet disassembly of EV battery packs remains largely manual due to high design variability. We present our Robotic Agentic Pโ€ฆ

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Engineering Preprint PDF DOI

Fully 3D-Printed Wideband Metasurface Folded Reflectarray Antenna

Evangelos Vassos, Thomas Whittaker, Abdul Jabbar, Aakash Bansal, Will Whittow ยท 2026

This article presents a fully 3D-printed wideband metasurface folded reflectarray antenna (MFRA) operating in the millimeter-wave n257 band. The proposed MFRA integrates a novel polarization-rotating โ€ฆ

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Engineering Preprint PDF DOI

Confusion-Aware Spectral Regularizer for Long-Tailed Recognition

Ziquan Zhu, Gaojie Jin, Hanruo Zhu, Si-Yuan Lu, Yunxiao Zhang, Zeyu Fu, Ronghui Mu, Guoqiang Zhang, Zhao Sun, Xia Yuhang, Jiaxing Shang, Xiang Li, Lu Liu, Tianjin Huang ยท 2026

Long-tailed image classification remains a long-standing challenge, as real-world data typically follow highly imbalanced distributions where a few head classes dominate and many tail classes contain โ€ฆ

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Engineering Preprint PDF DOI

MiNI-Q: A Miniature, Wire-Free Quadruped with Unbounded, Independently Actuated Leg Joints

Daniel Koh, Suraj Shah, Yufeng Wu, Dennis Hong ยท 2026

Physical joint limits are common in legged robots and can restrict workspace, constrain gait design, and increase the risk of hardware damage. This paper introduces MiNI-Q^2, a miniature, wire-free quโ€ฆ

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Engineering Preprint PDF DOI

Open-Source Based and ETSI Compliant Cooperative, Connected, and Automated Mini-Cars

Lorenzo Farina, Federico Gavioli, Salvatore Iandolo, Francesco Moretti, Giuseppe Perrone, Matteo Piccoli, Francesco Raviglione, Marco Rapelli, Antonio Solida, Paolo Burgio, Carlo Augusto Grazia, Alessandro Bazzi ยท 2026

The automotive sector is following a revolutionary path from vehicles controlled by humans to vehicles that will be fully automated, fully connected, and ultimately fully cooperative. Along this road,โ€ฆ

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Engineering Preprint PDF DOI

Jumping Control for a Quadrupedal Wheeled-Legged Robot via NMPC and DE Optimization

Xuanqi Zeng, Lingwei Zhang, Linzhu Yue, Zhitao Song, Hongbo Zhang, Tianlin Zhang, Yun-Hui Liu ยท 2026

Quadrupedal wheeled-legged robots combine the advantages of legged and wheeled locomotion to achieve superior mobility, but executing dynamic jumps remains a significant challenge due to the additionaโ€ฆ

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Engineering Preprint PDF DOI

Acoustic Feedback for Closed-Loop Force Control in Robotic Grinding

Zongyuan Zhang, Christopher Lehnert, Will N. Browne, Jonathan M. Roberts ยท 2026

Acoustic feedback is a critical indicator for assessing the contact condition between the tool and the workpiece when humans perform grinding tasks with rotary tools. In contrast, robotic grinding sysโ€ฆ

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Engineering Preprint PDF DOI

Progressive Per-Branch Depth Optimization for DEFOM-Stereo and SAM3 Joint Analysis in UAV Forestry Applications

Yida Lin, Bing Xue, Mengjie Zhang, Sam Schofield, Richard Green ยท 2026

Accurate per-branch 3D reconstruction is a prerequisite for autonomous UAV-based tree pruning; however, dense disparity maps from modern stereo matchers often remain too noisy for individual branch anโ€ฆ

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Engineering Preprint PDF DOI

TactEx: An Explainable Multimodal Robotic Interaction Framework for Human-Like Touch and Hardness Estimation

Felix Verstraete, Lan Wei, Wen Fan, Dandan Zhang ยท 2026

Accurate perception of object hardness is essential for safe and dexterous contact-rich robotic manipulation. Here, we present TactEx, an explainable multimodal robotic interaction framework that unifโ€ฆ

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Engineering Preprint PDF DOI

Docking and Persistent Operations for a Resident Underwater Vehicle

Leonard Gunzel, Gabriele Kasparaviciute, Ambj{o}rn Grimsrud Waldum, Bj{o}rn-Magnus Mosl{aa}tt, Abubakar Aliyu Badawi, Celil Y{i}lmaz, Md Shamin Yeasher Yousha, Robert Staven, Martin Ludvigsen ยท 2026

Our understanding of the oceans remains limited by sparse and infrequent observations, primarily because current methods are constrained by the high cost and logistical effort of underwater monitoringโ€ฆ

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Engineering Preprint PDF DOI

Human-in-the-Loop Failure Recovery with Adaptive Task Allocation

Lorena Maria Genua, Nikita Boguslavskii, Zhi Li ยท 2026

Since the recent Covid-19 pandemic, mobile manipulators and humanoid assistive robots with higher levels of autonomy have increasingly been adopted for patient care and living assistance. Despite advaโ€ฆ

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Engineering Preprint PDF DOI

TransMode-LLM: Feature-Informed Natural Language Modeling with Domain-Enhanced Prompting for Travel Behavior Modeling

Meijing Zhang, Ying Xu ยท 2026

Understanding traveler behavior and accurately predicting travel mode choice are at the heart of transportation planning and policy-making. This study proposes TransMode-LLM, an innovative framework tโ€ฆ

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Engineering Preprint PDF DOI

The Mini Wheelbot Dataset: High-Fidelity Data for Robot Learning

Henrik Hose, Paul Brunzema, Devdutt Subhasish, Sebastian Trimpe ยท 2026

The development of robust learning-based control algorithms for unstable systems requires high-quality, real-world data, yet access to specialized robotic hardware remains a significant barrier for maโ€ฆ

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Engineering Preprint PDF DOI

Actors, Frames and Arguments: A Multi-Decade Computational Analysis of Climate Discourse in Financial News using Large Language Models

Ruiran Su, Janet B. Pierrehumbert, Markus Leippold ยท 2026

Financial news media shapes trillion-dollar climate investment decisions, yet discourse in this elite domain remains underexplored. We analyze two decades of climate-related articles (2000-2023) from โ€ฆ

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Data-driven control of hydraulic impact hammers under strict operational and control constraints

Francisco Leiva, Claudio Canales, Michelle Valenzuela, Javier Ruiz-del-Solar ยท 2026

This paper presents a data-driven methodology for the control of static hydraulic impact hammers, also known as rock breakers, which are commonly used in the mining industry. The task addressed in thiโ€ฆ

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Engineering Preprint PDF DOI

Zero-Shot Recognition of Dysarthric Speech Using Commercial Automatic Speech Recognition and Multimodal Large Language Models

Ali Alsayegh, Tariq Masood ยท 2025

Voice-based human-machine interaction is a primary modality for accessing intelligent systems, yet individuals with dysarthria face systematic exclusion due to recognition performance gaps. Whilst autโ€ฆ

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Engineering Preprint PDF DOI

Probabilistic Predictions of Process-Induced Deformation in Carbon/Epoxy Composites Using a Deep Operator Network

Elham Kiyani, Amit Makarand Deshpande, Madhura Limaye, Zhiwei Gao, Zongren Zou, Sai Aditya Pradeep, Srikanth Pilla, Gang Li, Zhen Li, George Em Karniadakis ยท 2025

Fiber reinforcement and polymer matrix respond differently to manufacturing conditions due to mismatch in coefficient of thermal expansion and matrix shrinkage during curing of thermosets. These heterโ€ฆ

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