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🔍 andrea nardin 📂 Engineering
Showing 396 results for "andrea nardin" in Engineering
Engineering Preprint PDF DOI

GPU-Native Multi-Area State Estimation via SIMD Abstraction and Boundary Condensation

Yifei Xu, Yuzhang Lin · 2026

Power system state estimation (SE) is foundational for grid monitoring, yet conventional centralized solvers face increasing computational pressure as the system scale and real-time requirements grow.…

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Engineering Preprint PDF DOI

Online Long-Term Voltage Stability Margin Estimation for IBR/DER Dominated Power System with Integrated VSM-Aware TSO-DSO Framework

Ahmed Alkhonain, Kiran Kumar Challa, Amarsagar Reddy Ramapuram Matavalam, Alok Kumar Bharati, Venkataramana Ajjarapu · 2026

The rapid growth of inverter-based resources (IBRs) and distributed energy resources (DERs) has fundamentally altered the long-term voltage stability characteristics of modern power systems. This arti…

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Engineering Preprint PDF DOI

Trajectory-Based Optimization for Air Traffic Control in the Terminal Maneuvering Area

Yutian Pang, Daniel Delahaye, John-Paul Clarke · 2026

We present a trajectory-based optimization framework for arrival sequencing and scheduling in the terminal maneuvering area (TMA). Unlike node-link scheduling models that reduce trajectories to time-d…

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Engineering Preprint PDF DOI

Semantic Area Graph Reasoning for Multi-Robot Language-Guided Search

Ruiyang Wang, Hao-Lun Hsu, Jiwoo Kim, Miroslav Pajic · 2026

Coordinating multi-robot systems (MRS) to search in unknown environments is particularly challenging for tasks that require semantic reasoning beyond geometric exploration. Classical coordination stra…

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Engineering Preprint PDF DOI

Tree Learning: A Multi-Skill Continual Learning Framework for Humanoid Robots

Yifei Yan, Linqi Ye · 2026

As reinforcement learning for humanoid robots evolves from single-task to multi-skill paradigms, efficiently expanding new skills while avoiding catastrophic forgetting has become a key challenge in e…

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Engineering Preprint PDF DOI

Area Optimization of Open-Source Low-Power INA in 130nm CMOS using Hybrid Mixed-Variable PSO

Avishka Herath, Chanula Luckshan, Lochana Katugaha, Udara Mendis, Kithmin Wickremasinghe · 2026

As open-source silicon initiatives democratize access to integrated circuit development using multi-project environments, silicon area has become a premium resource. However, minimizing this layout ar…

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Engineering Preprint PDF DOI

Prompt-Guided Prefiltering for VLM Image Compression

Bardia Azizian, Ivan V. Bajic · 2026

The rapid progress of large Vision-Language Models (VLMs) has enabled a wide range of applications, such as image understanding and Visual Question Answering (VQA). Query images are often uploaded to …

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Engineering Preprint PDF DOI

A Foldable and Agile Soft Electromagnetic Robot for Multimodal Navigation in Confined and Unstructured Environments

Zhihao Lv, Xiaoyong Zhang, Mengfan Zhang, Xiaoyu Song, Xingyue Liu, Yide Liu, Shaoxing Qu, Guoyong Mao · 2026

Multimodal locomotion is crucial for an animal's adaptability in unstructured wild environments. Similarly, in the human gastrointestinal tract, characterized by viscoelastic mucus, complex rugae, and…

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Engineering Preprint PDF DOI

Form-Fitting, Large-Area Sensor Mounting for Obstacle Detection

Anna Soukhovei, Carson Kohlbrenner, Caleb Escobedo, Alexander Gholmieh, Alexander Dickhans, Alessandro Roncone · 2026

We introduce a low-cost method for mounting sensors onto robot links for large-area sensing coverage that does not require the sensor's positions or orientations to be calibrated before use. Using com…

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Engineering Preprint PDF DOI

Holter-to-Sleep: AI-Enabled Repurposing of Single-Lead ECG for Sleep Phenotyping

Donglin Xie, Qingshuo Zhao, Jingyu Wang, Shijia Geng, Jiarui Jin, Jun Li, Rongrong Guo, Guangkun Nie, Gongzheng Tang, Yuxi Zhou, Thomas Penzel, Shenda Hong · 2026

Sleep disturbances are tightly linked to cardiovascular risk, yet polysomnography (PSG)-the clinical reference standard-remains resource-intensive and poorly suited for multi-night, home-based, and la…

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Engineering Preprint PDF DOI

Emergency-Aware and Frequency-Constrained HVDC Planning for A Multi-Area Asynchronously Interconnected Grid

Yiliu He, Haiwang Zhong, Grant Ruan, Yan Xu, Chongqing Kang · 2026

High-voltage direct current (HVDC) technology has played a crucial role for long-distance transmission of renewable power generation. However, the integration of large-capacity HVDC lines introduces s…

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Engineering Preprint PDF DOI

Wide-Area GNSS Interference Monitoring with CYGNSS GNSS-R Delay-Doppler Noise Floor Observations

Ji-Hyeon Shin, Pyo-Woong Son · 2026

Delay-Doppler Map (DDM) noise-floor observations from the Cyclone Global Navigation Satellite System (CYGNSS) constellation provide a practical means for spaceborne detection of GNSS radio frequency i…

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Engineering Preprint PDF DOI

On Theoretical Stability Proof and Stability Margin Analysis of Enhanced Droop-Free Control Schemes for Islanded Microgrids

Weipeng Liu, Upendra Prasad, Yutian Liu, Yong Dong, Haoran Zhao, Lei Wu · 2026

This paper studies enhanced droop-free control strategies with sparse neighboring communication for achieving effective active power sharing of distributed energy resources (DERs) while maintaining th…

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Engineering Preprint PDF DOI

Power Margin Ratio -- A Large-Signal System Strength Metric for Inverter-Based Resources-Dominated Power Systems

Zitian Qiu, Yunjie Gu · 2026

As the growing penetration of inverter-based resources (IBRs) in modern power systems, the system strength is decreasing. Due to the inherent difference in short-circuit capacity contributions of sync…

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Engineering Preprint PDF DOI

Coverage Performance Analysis of FAS-enhanced LoRa Wide Area Networks under both Co-SF and Inter-SF Interference

Gaoze Mu, Yanzhao Hou, Mingjie Chen, Yuanyu Hu, Yongan Zheng, Qimei Cui, Xiaofeng Tao · 2026

This paper presents an analytical framework for evaluating the coverage performance of the fluid antenna system (FAS)-enhanced LoRa wide-area networks (LoRaWANs). We investigate the effects of large-s…

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Engineering Preprint PDF DOI

Data-Driven Predictive Control for Wide-Area Power Oscillation Damping

Giacomo Mastroddi, Jan Poland, Mats Larsson, Keith Moffat · 2026

We study damping of inter-area oscillations in transmission grids using voltage-source-converter-based high-voltage direct-current (VSC-HVDC) links. Conventional power oscillation damping controllers …

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Engineering Preprint PDF DOI

Dual-Attention Heterogeneous GNN for Multi-robot Collaborative Area Search via Deep Reinforcement Learning

Lina Zhu, Jiyu Cheng, Yuehu Liu, Wei Zhang · 2026

In multi-robot collaborative area search, a key challenge is to dynamically balance the two objectives of exploring unknown areas and covering specific targets to be rescued. Existing methods are ofte…

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Engineering Preprint PDF DOI

From 2D to 3D terrain-following area coverage path planning

Mogens Plessen · 2026

An algorithm for 3D terrain-following area coverage path planning is presented. Multiple adjacent paths are generated that are (i) locally apart from each other by a distance equal to the working widt…

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Engineering Preprint PDF DOI

Volume and Surface Area of two Orthogonal, Partially Intersecting Cylinders: A Generalization of the Steinmetz Solid

Fynn Jerome Aschmoneit, Bastiaan Cockx · 2025

The intersection of two orthogonal cylinders represents a classical problem in computational geometry with direct applications to engineering design, manufacturing, and numerical simulation. While ana…

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Engineering Preprint PDF DOI

The Area Signal-to-Noise Ratio: A Robust Alternative to Peak-Based SNR in Spectroscopic Analysis

Alex Yu, Huaqing Zhao, Lin Z. Li · 2025

In spectroscopic analysis, the peak-based signal-to-noise ratio (pSNR) is commonly used but suffers from limitations such as sensitivity to noise spikes and reduced effectiveness for broader peaks. We…

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