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🔍 keefer rowan 📂 Engineering 📄 Preprint
Showing 727 results for "keefer rowan" in Engineering · Preprint
Engineering Preprint PDF DOI

A Matrix-Free Galerkin Multigrid Solver and Failure-Mode Screen for Single-GPU 3D SIMP Linear Systems

Shaoliang Yang, Jun Wang, Yunsheng Wang · 2026

Large 3D SIMP studies require repeated elasticity solves for density-dependent operators whose finest matrices are expensive to assemble and whose conditioning degrades under high contrast. We study t…

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Engineering Preprint PDF DOI

Benefits of Low-Cost Bio-Inspiration in the Age of Overparametrization

Kevin Godin-Dubois, Anil Yaman, Anna V. Kononova · 2026

While Central Pattern Generators (CPGs) and Multi-Layer Perceptrons (MLP) are widely used paradigms in robot control, few systematic studies have been performed on the relative merits of large paramet…

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Engineering Preprint PDF DOI

Coordinated Dynamic Operating Envelopes for Unlocking Additional Flexibility at Grid Edge

Ali Jalilian, Deepjyoti Deka, Md. Umar Hashmi, Dirk Van Hertem · 2026

Dynamic operating envelopes (DOEs) provide a systematic framework to integrate the flexibility of distribution grid resources while safeguarding network limits such as line ratings and voltage bounds.…

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Engineering Preprint PDF DOI

Synchronization-Safe Dynamic Microgrid Formation for DER-Led Distribution System Restoration With Constraint-Aware Graph Learning

Cong Bai, Salish Maharjan, Yunyi Li, Wenlong Shi, Zhaoyu Wang · 2026

Prolonged blackouts in distribution systems (DSs) with high penetration of distributed energy resources (DERs) necessitate novel restoration strategies to rapidly restore loads. However, the resulting…

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Engineering Preprint PDF DOI

Quantification and Regulation of Energy Reserves for Distributed Frequency and Voltage Control of Grid-Forming Inverters

Ahmed Saad Al-Karsani, Maryam Khanbaghi · 2026

The introduction of Renewable Energy Sources (RES) and Distributed Energy Resources (DERs) has led to the formulation of Microgrids (MGs) and Networks of MGs (NMGs). MGs and NMGs can operate in island…

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Engineering Preprint PDF DOI

Early Exiting U-Net for Efficient Processing on UAVs: A Case Study in Environmental Monitoring

Luca Sartori Boni, Mohamed Moursi, Norbert Wehn, Bilal Hammoud · 2026

Oil spills represent a severe threat, making early-stage thickness estimation crucial for guiding remediation efforts. Unmanned Aerial Vehicles (UAVs) are an attractive platform for environmental moni…

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Engineering Preprint PDF DOI

Importance of Aggregated DER Installed Capacity in Distribution Networks

Alexandre M. V. Gouveia, Md. Umar Hashmi, Reinhilde D'hulst, Dirk Van Hertem · 2026

The increasing penetration of Distributed Energy Resources (DERs), particularly electric vehicles, heat pumps, and photovoltaic systems, is fundamentally changing power flows in Low-Voltage (LV) distr…

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Engineering Preprint PDF DOI

Singularity Avoidance in Inverse Kinematics: A Unified Treatment of Classical and Learning-based Methods

Vishnu Rudrasamudram, Hariharasudan Malaichamee · 2026

Singular configurations cause loss of task-space mobility, unbounded joint velocities, and solver divergence in inverse kinematics (IK) for serial manipulators. No existing survey bridges classical si…

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Engineering Preprint PDF DOI

Scalable Optimization for Mobility-Aware Coordinated Electric Vehicle Charging in Distribution Power Networks

Yi Ju, Lunlong Li, Jingchun Wang, Scott Moura · 2026

Rapid growth in electric-vehicle (EV) charging demand is placing increasing stress on distribution power networks (DPNs), whose hosting capacity is often limited and spatially uneven. Beyond demonstra…

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Engineering Preprint PDF DOI

3D-Anchored Lookahead Planning for Persistent Robotic Scene Memory via World-Model-Based MCTS

Bronislav Sidik, Dror Mizrahi · 2026

We present 3D-Anchored Lookahead Planning (3D-ALP), a System 2 reasoning engine for robotic manipulation that combines Monte Carlo Tree Search (MCTS) with a 3D-consistent world model as the rollout or…

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Engineering Preprint PDF DOI

BEACON: Benefit-Aware Early-Exit for Automatic Modulation Classification via Recoverability Prediction

Zheng Liu, Hatem Abou-Zeid, Huaqing Wu · 2026

Convolutional neural networks (CNNs) have emerged as a powerful tool for automatic modulation classification (AMC) by directly extracting discriminative features from raw in-phase and quadrature (I/Q)…

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Engineering Preprint PDF DOI

To Defer or To Shift? The Role of AI Data Center Flexibility on Grid Interconnection

Yize Chen, Xiaogui Zheng · 2026

The integration of AI data centers into power grid represents one of the most emerging and complex challenges for the energy systems. As computational demand scales at an unprecedented rate, the tradi…

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Engineering Preprint PDF DOI

Sparse Bayesian Learning Algorithms Revisited: From Learning Majorizers to Structured Algorithmic Learning using Neural Networks

Rushabha Balaji, Kuan-Lin Chen, Danijela Cabric, Bhaskar D. Rao · 2026

Sparse Bayesian Learning is one of the most popular sparse signal recovery methods, and various algorithms exist under the SBL paradigm. However, given a performance metric and a sparse recovery probl…

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Engineering Preprint PDF DOI

VisG AV-HuBERT: Viseme-Guided AV-HuBERT

Aristeidis Papadopoulos, Rishabh Jain, Naomi Harte · 2026

Audio-Visual Speech Recognition (AVSR) systems nowadays integrate Large Language Model (LLM) decoders with transformer-based encoders, achieving state-of-the-art results. However, the relative contrib…

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Engineering Preprint PDF DOI

GeoDistNet: An Open-Source Tool for Synthetic Distribution Network Generation

Yunqi Wang, Xinghuo Yu, Mahdi Jalili · 2026

Distribution-level studies increasingly require feeder models that are both electrically usable and structurally representative of practical service areas. However, detailed utility feeder data are ra…

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Engineering Preprint PDF DOI

From Energy Transition Pathways to Measurement Requirements: A Scenario-Based Study of Low-Voltage Grids

Nane Zimmermann, Lukas P. Wagner, Luca von Ronn, Florian Strobel, Paul Huttmann, Felix Gehlhoff · 2026

Increasing penetration of electric vehicles, heat pumps, and rooftop photovoltaics is creating thermal and voltage stress in low-voltage distribution grids. This work links three German energy transit…

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Engineering Preprint PDF DOI

Time Window-Based Netload Range Cost Curves for Coordinated Transmission and Distribution Planning Under Uncertainty

Yujia Li, Alexandre Moreira, Miguel Heleno · 2026

Mechanisms to coordinate transmission and distribution planning should be regulatory compliant and keep the spheres of DSO and TSO decisions separate, without requiring disclosure of proprietary data …

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Engineering Preprint PDF DOI

A Multimodal Framework for Human-Multi-Agent Interaction

Shaid Hasan, Breenice Lee, Sujan Sarker, Tariq Iqbal · 2026

Human-robot interaction is increasingly moving toward multi-robot, socially grounded environments. Existing systems struggle to integrate multimodal perception, embodied expression, and coordinated de…

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Engineering Preprint PDF DOI

Retrieval-Guided Photovoltaic Inventory Estimation from Satellite Imagery for Distribution Grid Planning

Muhao Guo, Lihao Mai, Erik Blasch, Jafarali Parol, Turki Rakan, Yang Weng · 2026

The rapid expansion of distributed rooftop photovoltaic (PV) systems introduces increasing uncertainty in distribution grid planning, hosting capacity assessment, and voltage regulation. Reliable esti…

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Engineering Preprint PDF DOI

Online Feedback Optimization of Energy Storage to Smooth Data Center Grid Impacts

Yanyong Mao, Johanna L. Mathieu, Vladimir Dvorkin · 2026

The growing electricity demand of AI data centers introduces significant voltage variability in power networks, affecting not only their own operation but also the experience of all users sharing the …

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