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🔍 steven volkel 📂 Engineering
Showing 1416 results for "steven volkel" in Engineering
Engineering Preprint PDF DOI

FreeOcc: Training-Free Embodied Open-Vocabulary Occupancy Prediction

Zeyu Jiang, Changqing Zhou, Xingxing Zuo, Changhao Chen · 2026

Existing learning-based occupancy prediction methods rely on large-scale 3D annotations and generalize poorly across environments. We present FreeOcc, a training-free framework for open-vocabulary occ…

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Engineering Preprint PDF DOI

Comparative Evaluation of Modern Deep Learning Methodologies for Portfolio Optimization

Samuel Ozechi, Banjo Francis, Wisdom Yakanu, Joe Wayne Byers · 2026

This study proposes a portfolio optimization framework that integrates advanced deep learning architectures with traditional financial models to enhance risk-adjusted performance. Using historical dat…

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Engineering Preprint PDF DOI

Deep Learning-Enabled Dissolved Oxygen Sensing in Biofouling Environments for Ocean Monitoring

Nikolaos Salaris, Adrien Desjardins, Manish K. Tiwari · 2026

The escalating climate crisis and ecosystem degradation demand intelligent, low-cost sensors capable of robust, long-term monitoring in real-world environments. Absolute dissolved oxygen (DO) concentr…

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Engineering Preprint PDF DOI

Signal Processing Foundations of Reconfigurable Antennas in the Tri-Hybrid MIMO Architecture

Nitish Vikas Deshpande, Joseph Carlson, Siyun Yang, Mohamed Akrout, Alfredo Gonzalez, Miguel Rodrigo Castellanos, Tharmalingam Ratnarajah, Chan-Byoung Chae, Robert W. Heath Jr · 2026

To enable larger apertures in multipleinput multipleoutput MIMO systems the trihybrid MIMO architecture offers a promising lowcost and lowpower solution by introducing reconfigurable antennas as a thi…

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Engineering Preprint PDF DOI

CT-Guided Spatially-varying Regularization for Voxel-Wise Deformable Whole-Body PET Registration

Xiangcen Wu, Ruohua Chen, Sichun Li, Qianye Yang, Sheng Liu, Jianjun Liu, Zhaoheng Xie · 2026

Whole-body Positron Emission Tomography (PET) registration is essential for multi-parametric tumor characterization and assessment of metastatic disease progression. In deep learning-based deformable …

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Engineering Preprint PDF DOI

A Kinematic Analysis of Palm Degrees of Freedom for Enhancing Thumb Opposability in Robotic Hands

HyoJae Kang, Yeong Jae Park, Hyunmok Jung, Joonho Lee, Dong Il Park · 2026

This study investigates the kinematic role of palm degrees of freedom (DoF) in enhancing thumb opposability in a five-finger robotic hand. A hand model consisting of a five DoF thumb and four fingers …

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Engineering Preprint PDF DOI

DiariZen Explained: A Tutorial for the Open Source State-of-the-Art Speaker Diarization Pipeline

Nikhil Raghav · 2026

Speaker diarization (SD) is the task of answering "who spoke when" in a multi-speaker audio stream. Classically, an SD system clusters segments of speech belonging to an individual speaker's identity.…

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Engineering Preprint PDF DOI

Kinematic Optimization of Phalanx Length Ratios in Robotic Hands Using Potential Dexterity

HyoJae Kang, Joonho Lee, Jeongdo Ahn, Dong Il Park · 2026

In the design stage of robotic hands, it is not straightforward to quantitatively evaluate the effect of phalanx length ratios on dexterity without defining specific objects or manipulation tasks. The…

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Engineering Preprint PDF DOI

Maritime Connectivity Vulnerability Index: Construction, Patterns, and Validation Across 185 Economies, 2006-2025

Mohamed Bouka, Moulaye Abdel Kader Moulaye Ismail · 2026

Recent disruptions at major maritime chokepoints have exposed the structural fragility of liner shipping networks. Existing indicators measure connectivity, but none quantify its structural vulnerabil…

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Engineering Preprint PDF DOI

Benchmarking Classical Coverage Path Planning Heuristics on Irregular Hexagonal Grids for Maritime Coverage Scenarios

Carlos S. Sepulveda, Gonzalo A. Ruz · 2026

Coverage path planning on irregular hexagonal grids is relevant to maritime surveillance, search and rescue and environmental monitoring, yet classical methods are often compared on small ad hoc examp…

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Engineering Preprint PDF DOI

CAVERS: Multimodal SLAM Data from a Natural Karstic Cave with Ground Truth Motion Capture

Giacomo Franchini, David Rodriguez-Martinez, Alfonso Martinez-Petersen, C. J. Perez-del-Pulgar, Marcello Chiaberge · 2026

Autonomous robots operating in natural karstic caves face perception and navigation challenges that are qualitatively distinct from those encountered in mines or tunnels: irregular geometry, reflectiv…

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Engineering Preprint PDF DOI

SongBench: A Fine-Grained Multi-Aspect Benchmark for Song Quality Assessment

Dapeng Wu, Shun Lei, Wei Tan, Guangzheng Li, Yunzhe Wang, Huaicheng Zhang, Lishi Zuo, Zhiyong Wu · 2026

Recent advancements in Text-to-Song generation have enabled realistic musical content production, yet existing evaluation benchmarks lack the professional granularity to capture multi-dimensional aest…

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Engineering Preprint PDF DOI

BIEVR-LIO: Robust LiDAR-Inertial Odometry through Bump-Image-Enhanced Voxel Maps

Patrick Pfreundschuh, Turcan Tuna, Cedric Le Gentil, Roland Siegwart, Cesar Cadena, Helen Oleynikova · 2026

Reliable odometry is essential for mobile robots as they increasingly enter more challenging environments, which often contain little information to constrain point cloud registration, resulting in de…

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Engineering Preprint PDF DOI

EmbodiedGovBench: A Benchmark for Governance, Recovery, and Upgrade Safety in Embodied Agent Systems

Xue Qin, Simin Luan, John See, Cong Yang, Zhijun Li · 2026

Recent progress in embodied AI has produced a growing ecosystem of robot policies, foundation models, and modular runtimes. However, current evaluation remains dominated by task success metrics such a…

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Engineering Preprint PDF DOI

Modeling and Simulation of Nitrogen Generation by Pressure Swing Adsorption for Power-to-Ammonia

Marcus J. Schytt, Lorenz T. Biegler, John B. J{o}rgensen · 2026

Power-to-ammonia (P2A) provides a carbon-free alternative to conventional ammonia production by replacing fossil-based feedstocks with electrolytic hydrogen and nitrogen from air separation. For decen…

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Engineering Preprint PDF DOI

Vision-Language Navigation for Aerial Robots: Towards the Era of Large Language Models

Xingyu Xia, Lekai Zhou, Yujie Tang, Xiaozhou Zhu, Hai Zhu, Wen Yao · 2026

Aerial vision-and-language navigation (Aerial VLN) aims to enable unmanned aerial vehicles (UAVs) to interpret natural language instructions and autonomously navigate complex three-dimensional environ…

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Engineering Preprint PDF DOI

From Perception to Autonomous Computational Modeling: A Multi-Agent Approach

Daniel N. Wilke · 2026

We present a solver-agnostic framework in which coordinated large language model (LLM) agents autonomously execute the complete computational mechanics workflow, from perceptual data of an engineering…

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Engineering Preprint PDF DOI

Multiobjective optimization-based design and dispatch of islanded, hybrid microgrids for remote, off-grid communities in sub-Saharan Africa

Vineet Jagadeesan Nair · 2026

Reliable, affordable electricity remains inaccessible to over 600 million people in sub-Saharan Africa (SSA), where islanded hybrid microgrids combining renewable generation, battery storage, and dies…

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Engineering Preprint PDF DOI

A Process-Aware Demand Response Framework for Hydrogen-Integrated Zero-Carbon Steel Plants Coupled with Methanol Production

Qiang Ji, Lin Cheng, Yue Zhou, Ning Qi, Kaidi Huang, Jianzhong Wu, Ming Cheng · 2026

The integration of the high penetration of intermittent renewable energy sources (RES) and the retirement of thermal units have significantly aggravated the flexibility scarcity and real-time balancin…

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Engineering Preprint PDF DOI

CT-VoxelMap: Efficient Continuous-Time LiDAR-Inertial Odometry with Probabilistic Adaptive Voxel Mapping

Lei Zhao, Xingyi Li, Tianchen Deng, Chuan Cao, Han Zhang, Weidong Chen · 2026

Maintaining stable and accurate localization during fast motion or on rough terrain remains highly challenging for mobile robots with onboard resources. Currently, multi-sensor fusion methods based on…

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