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🔍 nuno vasconcelos 📂 Engineering
Showing 303 results for "nuno vasconcelos" in Engineering
Engineering Preprint PDF DOI

Real-Time GPU-Accelerated Monte Carlo Evaluation of Safety-Critical AEB Systems Under Uncertainty

Akshay Karjol, Shadi Alawneh · 2026

Automatic Emergency Braking (AEB) systems represent a safety-critical national interest, with the National Highway Traffic Safety Administration (NHTSA) Federal Motor Vehicle Safety Standard (FMVSS No…

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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

Autonomous UAV Pipeline Near-proximity Inspection via Disturbance-Aware Predictive Visual Servoing

Wen Li, Hui Wang, Jinya Su, Cunjia Liu, Wen-Hua Chen, Shihua Li · 2026

Reliable pipeline inspection is critical to safe energy transportation, but is constrained by long distances, complex terrain, and risks to human inspectors. Unmanned aerial vehicles provide a flexibl…

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Engineering Preprint PDF DOI

A Numerical and Experimental Evaluation of Microbubble Communication Using OpenFOAM

Annika Tjabben, Carolin Conrad, Hans D. Schotten · 2026

Reliable communication in confined environments, such as blood vessels or industrial pipelines, remain challenging due to signal attenuation and limited sensor accessibility. Therefore, this work inve…

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Engineering Preprint PDF DOI

An Intelligent Robotic and Bio-Digestor Framework for Smart Waste Management

Radhika Khatri, Adit Tewari, Nikhil Sharma, M. B. Srinivas · 2026

Rapid urbanization and continuous population growth have made municipal solid waste management increasingly challenging. These challenges highlight the need for smarter and automated waste management …

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Engineering Preprint PDF DOI

A Wearable ECG Device for Differentiating Hypertrophic Cardiomyopathy from Acquired Left Ventricular Hypertrophy

Jiachen Li, Hanyu Zhu, Edward Kim, Shihao Li, Katherine Cavanaugh, Arpan Patel, Sovik De Sirkar, Mauricio Hong, Wei Li, Dongmei Chen · 2026

Hypertrophic Cardiomyopathy (HCM) is a genetic heart disease affecting approximately 1 in 500 people and is the leading cause of sudden cardiac death in young athletes. Current diagnostic methods -- c…

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Engineering Preprint PDF DOI

Reliability-Guided Depth Fusion for Glare-Resilient Navigation Costmaps

Shang-En Tsai, Wei-Cheng Sun · 2026

Specular glare on reflective floors and glass surfaces frequently corrupts RGB-D depth measurements, producing holes and spikes that accumulate as persistent phantom obstacles in occupancy-grid costma…

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Engineering Preprint PDF DOI

Natural Gradient Gaussian Approximation Filter on Lie Groups for Robot State Estimation

Tianyi Zhang, Wenhan Cao, Chang Liu, Yao Lyu, Shengbo Eben Li · 2026

Accurate state estimation for robotic systems evolving on Lie group manifolds, such as legged robots, is a prerequisite for achieving agile control. However, this task is challenged by nonlinear obser…

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Engineering Preprint PDF DOI

Natural Gradient Gaussian Approximation Filter with Positive Definiteness Guarantee

Tianyi Zhang, Wenhan Cao, Shengbo Eben Li · 2026

Popular Bayes filters often apply linearization techniques, such as Taylor expansion or stochastic linear regression, to enable the use of the Kalman filter structure, but this can lead to large error…

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Engineering Preprint PDF DOI

CADENCE: Context-Adaptive Depth Estimation for Navigation and Computational Efficiency

Timothy K Johnsen, Marco Levorato · 2026

Autonomous vehicles deployed in remote environments typically rely on embedded processors, compact batteries, and lightweight sensors. These hardware limitations conflict with the need to derive robus…

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Engineering Preprint PDF DOI

LEAN-3D: Low-latency Hierarchical Point Cloud Codec for Mobile 3D Streaming

Yuchen Gao, Qi Zhang · 2026

We aim to make learned point cloud compression deployable for low-latency streaming on mobile systems. While learned point cloud compression has shown strong coding efficiency, practical deployment on…

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Engineering Preprint PDF DOI

Semantic Zone-Based Map Management for Stable AI-Integrated Mobile Robots

Huichang Yun, Seungho Yoo · 2026

Recent advances in large AI models (VLMs and LLMs) and joint use of the 3D dense maps, enable mobile robots to provide more powerful and interactive services grounded in rich spatial context. However,…

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Engineering Preprint PDF DOI

Bootstrap Perception Under Hardware Depth Failure for Indoor Robot Navigation

Nishant Pushparaju, Vivek Mattam, Aliasghar Arab · 2026

We present a bootstrap perception system for indoor robot navigation under hardware depth failure. In our corridor data, the time-of-flight camera loses up to 78% of its depth pixels on reflective sur…

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Engineering Preprint PDF DOI

On-Device Super Resolution Imaging Using Low-Cost SPAD Array and Embedded Lightweight Deep Learning

Zhenya Zang, Xingda Li, David Day Uei Li · 2026

This work presents a lightweight super-resolution (LiteSR) neural network for depth and intensity images acquired from a consumer-grade single-photon avalanche diode (SPAD) array with a 48x32 spatial …

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Engineering Preprint PDF DOI

Agile-VLA: Few-Shot Industrial Pose Rectification via Implicit Affordance Anchoring

Teng Yan, Zhengyang Pei, Chengyu Shi, Yue Yu, Yikun Chen, Zilong Zhu, Zelin Fang, Kaile Guo, Zihang Wang, Peigen Tian, Bingzhuo Zhong · 2026

Deploying Vision-Language-Action (VLA) models on resource-constrained edge platforms encounters a fundamental conflict between high-latency semantic inference and the high-frequency control required f…

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Engineering Preprint PDF DOI

4D Fresnel Space-Time Modulation for Near-Field ELAA: Kinematic Multiplexing and O(N log N) Precoding at Sub-THz Frequencies

Rahul Gulia · 2026

Extremely Large Antenna Arrays (ELAA) operating at sub-terahertz frequencies introduce a regime where near-field Fresnel propagation and high-mobility carrier Doppler interact simultaneously, creating…

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Engineering Preprint PDF DOI

LineMaster Pro: A Low-Cost Intelligent Line Following Robot with PID Control and Ultrasonic Obstacle Avoidance for Educational Robotics

Jeni Shahi, Abhishek Shah, A. S. M. Ahsanul Sarkar Akib · 2026

Line following robots are fundamental platforms in robotics education, yet commercially available solutions remain prohibitively expensive ($150-300$) while lacking integrated obstacle detection capab…

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Engineering Preprint PDF DOI

NanoBench: A Multi-Task Benchmark Dataset for Nano-Quadrotor System Identification, Control, and State Estimation

Syed Izzat Ullah, Jose Baca · 2026

Existing aerial-robotics benchmarks target vehicles from hundreds of grams to several kilograms and typically expose only high-level state data. They omit the actuator-level signals required to study …

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Engineering Preprint PDF DOI

Cutting the Cord: System Architecture for Low-Cost, GPU-Accelerated Bimanual Mobile Manipulation

Artemis Shaw, Chen Liu, Justin Costa, Rane Gray, Alina Skowronek, Kevin Diaz, Nam Bui, Nikolaus Correll · 2026

We present a bimanual mobile manipulator built on the open-source XLeRobot with integrated onboard compute for less than \$1300. Key contributions include: (1) optimized mechanical design maximizing s…

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Engineering Preprint PDF DOI

How to Model Your Crazyflie Brushless

Alexander Grafe, Christoph Scherer, Wolfgang Honig, Sebastian Trimpe · 2026

The Crazyflie quadcopter is widely recognized as a leading platform for nano-quadcopter research. In early 2025, the Crazyflie Brushless was introduced, featuring brushless motors that provide around …

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