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๐Ÿ” daniel e. steffy ๐Ÿ“‚ Engineering
Showing 3160 results for "daniel e. steffy" in Engineering
Engineering Preprint PDF DOI

Simulation of Switching Converters on the Level of Averaged Voltages and Currents

Aleksandra Lekic, Predrag Pejovic ยท 2026

An algorithm for simulation of switching converters is proposed in the paper. The algorithm is based on simulation of averaged circuit model applying "switching cell" concept, and construction of instโ€ฆ

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Engineering Preprint PDF DOI

Simulation of Switching Converters on the Level of Averaged Voltages and Currents

Aleksandra Lekic, Predrag Pejovic ยท 2026

An algorithm for simulation of switching converters is proposed in the paper. The algorithm is based on simulation of averaged circuit model applying "switching cell" concept, and construction of instโ€ฆ

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Engineering Preprint PDF DOI

Stiffness-Aware Decentralized Dynamic State Estimation for Inverter-Dominated Power Systems

Xingyu Zhao, Marcos Netto, Junbo Zhao ยท 2026

Dynamic state estimation (DSE) is becoming increasingly important for monitoring inverter-dominated power systems. Due to their cascading control structures, inverter-based resources (IBRs) exhibit muโ€ฆ

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Engineering Preprint PDF DOI

Cram\'{e}r-Rao Bound Optimization for Near-Field ISAC with Extended Targets

Zongyao Zhao, Zhaolin Wang, Lincong Han, Liang Xu, Jing Jin, Yuanwei Liu, Kaibin Huang ยท 2026

Near-field integrated sensing and communication (ISAC) requires target models beyond the point-target abstraction when the target has a non-negligible spatial extent. In this letter, a geometry-aware โ€ฆ

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Engineering Preprint PDF DOI

Periodic Steady-State Control of a Handkerchief-Spinning Task Using a Parallel Anti-Parallelogram Tendon-driven Wrist

Lei Liu, Haonan Zhang, Huahang Xu, Zefan Zhang, Lulu Chang, Lei Lv, Andrew Ross McIntosh, Kai Sun, Zhenshan Bing, Jiahong Dong, Fuchun Sun ยท 2026

Spinning flexible objects, exemplified by traditional Chinese handkerchief performances, demands periodic steady-state motions under nonlinear dynamics with frictional contacts and boundary constraintโ€ฆ

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Engineering Preprint PDF DOI

DART: Learning-Enhanced Model Predictive Control for Dual-Arm Non-Prehensile Manipulation

Autrio Das, Shreya Bollimuntha, Madala Venkata Renu Jeevesh, Keshab Patra, Tashmoy Ghosh, Nagamanikandan Govindan, Arun Kumar Singh, K Madhava Krishna ยท 2026

What appears effortless to a human waiter remains a major challenge for robots. Manipulating objects nonprehensilely on a tray is inherently difficult, and the complexity is amplified in dual-arm settโ€ฆ

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Engineering Preprint PDF DOI

Prosody as Supervision: Bridging the Non-Verbal--Verbal for Multilingual Speech Emotion Recognition

Girish, Mohd Mujtaba Akhtar, Muskaan Singh ยท 2026

In this work, we introduce a paralinguistic supervision paradigm for low-resource multilingual speech emotion recognition (LRM-SER) that leverages non-verbal vocalizations to exploit prosody-centric eโ€ฆ

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Engineering Preprint PDF DOI

HCFD: A Benchmark for Audio Deepfake Detection in Healthcare

Mohd Mujtaba Akhtar, Girish, Muskaan Singh ยท 2026

In this study, we present Healthcare Codec-Fake Detection (HCFD), a new task for detecting codec-fakes under pathological speech conditions. We intentionally focus on codec based synthetic speech in tโ€ฆ

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Engineering Preprint PDF DOI

Active MIMO Sensing With Exploration-Exploitation Tradeoff

Nadim Ghaddar, Kareem M. Attiah, Wei Yu ยท 2026

This paper develops an active sensing framework for designing the transmit and receive beamformers of a multiple-input multiple-output (MIMO) radar system. In the proposed technique, the beamformers aโ€ฆ

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Engineering Preprint PDF DOI

Graph-Guided Adaptive Channel Elimination for KV Cache Compression

Enwei Tong, Yao Zhu, Yuanchao Bai, Kai Wang, Xianming Liu, Xiangyang Ji ยท 2026

Large Language Models have revolutionized natural language processing, achieving unprecedented success across a vast range of tasks. However, their practical application in long-context scenarios is sโ€ฆ

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Engineering Preprint PDF DOI

Simulating Arbitrage Optimization for Market Monitoring in Gas and Electricity Transmission Networks

Noah Rhodes, Sachin Shivakumar, Luke S. Baker, Kaarthik Sundar, Anatoly Zlotnik ยท 2026

We examine market outcomes in energy transport networks with a focus on gas-fired generators, which are producers in a wholesale electricity market and consumers in the natural gas market. Market admiโ€ฆ

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Engineering Preprint PDF DOI

Consensus Clustering for the Identification of Coherent Regions with Varied Generation Mix

Kiran Kumar Challa, Alok Kumar Bharati, Venkataramana Ajjarapu ยท 2026

With a steady increase in the inverter technology integration to the grid, frequency response of the large inter-connection system becomes more unpredictable. This leads to a significant change in theโ€ฆ

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Dual-Modal Lung Cancer AI: Interpretable Radiology and Microscopy with Clinical Risk Integration

Baramee Sukumal, Aueaphum Aueawatthanaphisut ยท 2026

Lung cancer remains one of the leading causes of cancer-related mortality worldwide. Conventional computed tomography (CT) imaging, while essential for detection and staging, has limitations in distinโ€ฆ

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Robust Fleet Sizing for Multi-UAV Inspection Missions under Synchronized Replacement Demand

Vishal Ramesh, Antony Thomas ยท 2026

Multi-UAV inspection missions require spare drones to replace active drones during recharging cycles. Existing fleet-sizing approaches often assume steady-state operating conditions that do not apply โ€ฆ

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A Nonlinear Separation Principle via Contraction Theory: Applications to Neural Networks, Control, and Learning

Anand Gokhale, Anton V. Proskurnikov, Yu Kawano, Francesco Bullo ยท 2026

This paper establishes a nonlinear separation principle based on contraction theory and derives sharp stability conditions for recurrent neural networks (RNNs). First, we introduce a nonlinear separatโ€ฆ

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Engineering Preprint PDF DOI

Simplification Ad Absurdum? Revisiting Gas Flow Modeling for Integrated Energy System Planning

Thomas Klatzer, Yannick Werner, Sonja Wogrin ยท 2026

This paper analyzes the implications of simplified pipeline gas flow models for integrated energy system planning. A case study of an integrated power-hydrogen expansion planning problem shows that siโ€ฆ

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Foundation Models in Robotics: A Comprehensive Review of Methods, Models, Datasets, Challenges and Future Research Directions

Aggelos Psiris, Vasileios Argyriou, Evangelos K. Markakis, Panagiotis Sarigiannidis, Efstratios Gavves, Kostas Bekris, Arash Ajoudani adn Georgios Th. Papadopoulos ยท 2026

Over the recent years, the field of robotics has been undergoing a transformative paradigm shift from fixed, single-task, domain-specific solutions towards adaptive, multi-function, general-purpose agโ€ฆ

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Engineering Preprint PDF DOI

A Nonasymptotic Theory of Gain-Dependent Error Dynamics in Behavior Cloning

Junghoon Seo ยท 2026

Behavior cloning (BC) policies on position-controlled robots inherit the closed-loop response of the underlying PD controller, yet the effect of controller gains on BC failure lacks a nonasymptotic thโ€ฆ

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Frequency Response of Nonlinear Systems: Notions, Analysis, and Graphical Representation

Alessio Moreschini, Matteo Scandella ยท 2026

The invariance principle, through which the steady-state behavior of nonlinear systems was introduced by Isidori and Byrnes, is leveraged in this article to bring forth a unifying characterization of โ€ฆ

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Distributed Resilient Fixed-Time Control for Cooperative Output Regulation of MASs over Directed Graphs under DoS Attacks

Wenji Cao, Lu Liu, Dan Zhang, Gang Feng ยท 2026

This paper addresses the problem of fixed-time cooperative output regulation for linear multi-agent systems over directed graphs under denial-of-service attacks. A novel distributed resilient fixed-tiโ€ฆ

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