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Engineering Preprint PDF DOI

SASI: Leveraging Sub-Action Semantics for Robust Early Action Recognition in Human-Robot Interaction

Yongpeng Cao, Masahiro Hirano, Hyuno Kim, Yuji Yamakawa · 2026

Understanding human actions is critical for advancing behavior analysis in human-robot interaction. Particularly in tasks that demand quick and proactive feedback, robots must recognize human actions …

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Engineering Preprint PDF DOI

Recent Advances in mm-Wave and Sub-THz/THz Oscillators for FutureG Technologies

Baktash Behmanesh, Ahmad Rezvanitabar · 2026

This paper provides a concise yet comprehensive review of recent advancements in millimeter-wave (mm-wave) oscillators below 100 GHz and sub-terahertz (sub-THz/THz) oscillators above 100 GHz for next-…

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Engineering Preprint PDF DOI

CONCERTO: Characterization of analog readout electronics

Mounir Abdkrimi (NEEL - MagSup), Olivier Rossetto (LPSC), O. Bourrion (LPSC), Christophe Vescovi (LPSC), C. Hoarau (LPSC) · 2026

CONCERTO is a millimeter-wave imaging instrument that operated on the Atacama Pathfinder Experiment (APEX) telescope from April 2021 to May 2023. Its primary scientific objectives include the study of…

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Engineering Preprint PDF DOI

Time-Localized Parametric Decomposition of Respiratory Airflow for Sub-Breath Analysis

Victoria Ribeiro Rodrigues, Paul W. Davenport, Nicholas J. Napoli · 2026

Respiratory airflow signals provide critical insight into breathing mechanics, yet conventional analysis methods remain limited in their ability to characterize the internal structure of individual br…

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Engineering Preprint PDF DOI

Approximate Simulation-based Hierarchical Control of Nonlinear Systems

Zirui Niu, Antoine Girard, Giordano Scarciotti · 2026

Controlling complex dynamical systems to satisfy sophisticated specifications remains a significant challenge in modern engineering. A promising approach to this problem is the approximate simulation-…

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Engineering Preprint PDF DOI

Controlling the \'{C}uk Converter using Piecewise Linear Lyapunov Functions

Aleksandra Lekic, Nikola Petrovic, Dusan Stipanovic · 2026

In this paper we design a switching control law for the \'Cuk converter in the continuous conduction mode using piecewise linear Lyapunov functions. These Lyapunov functions can be constructed using d…

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Engineering Preprint PDF DOI

LMI Approach for Sliding Mode Control and Analysis of DC-DC Converters

Aleksandra Lekic, Dusan Stipanovic · 2026

Circuits' and in particular DC/DC converters' switching behavior is analyzed in this paper using the equivalent control modeling of the dynamic systems' sliding mode regime. As a representative exampl…

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Engineering Preprint PDF DOI

Hybrid SMI Realization via Matrix Completion and Riemannian Manifold Optimization on Narrowband Sub-Array Based Architectures

Tarun Suman Cousik, Rohit Rangaraj, Nishith Tripathi, Jeffrey H Reed, Daniel Jakubisin, Jon Kraft · 2026

Hybrid beamforming architectures reduce hardware complexity but restrict access to full array observations, rendering direct implementation of classical covariance based methods such as minimum varian…

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Engineering Preprint PDF DOI

Far-Field Absolute Gain Antenna Measurements at Sub-THz Frequencies: A New Interpretation

Asad Husein, Kimmo Rasilainen, Juha-Pekka Makela, Veikko Hovinen, Klaus Nevala, Aarno Parssinen, Marko E. Leinonen · 2026

The evolution of large aperture antennas and arrays at the sub-THz band (100-300 GHz) results in traditional far-field (FF) gain measurements to require large distances due to the high frequency natur…

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Engineering Preprint PDF DOI

Robust Distributed Sub-Optimal Coordination of Linear Agents with Uncertain Input Nonlinearities

Takumi Namba · 2026

In this paper, we study robust distributed sub-optimal coordination of linear agents subject to input nonlinearities. Inspired by the robust agreement literature, we formulate a bounded distributed su…

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Engineering Preprint PDF DOI

Building Low-Altitude Communication Networks: A Digital Twin-Based Optimization Framework

Boqun Huang, Yancheng Wang, Wei Guo, Zhaojie Guo, Di Wu, Ran Li, Dayang Liu, Wanshun Lan, Chuan Huang, Shuguang Cui · 2026

Low-altitude communication networks (LACNs) serve as the critical infrastructure of the emerging low-altitude economy (LAE), supporting services such as drone delivery and infrastructure inspection. H…

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Engineering Preprint PDF DOI

A Rapid Deployment Pipeline for Autonomous Humanoid Grasping Based on Foundation Models

Yifei Yan, Yankai Liao, Linqi Ye · 2026

Deploying a humanoid robot to manipulate a new object has traditionally required one to two days of effort: data collection, manual annotation, 3D model acquisition, and model training. This paper pre…

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Engineering Preprint PDF DOI

A Model and Estimation of the Bitcoin Transaction Fee

Daniel Aronoff, Kristian Praizner, Armin Sabouri · 2026

Bitcoin transaction fees will become more important as the block subsidy declines, but fee formation is hard to study with blockchain data alone because the relevant queueing environment is unobserved…

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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

Transmitter Noise Propagation in Millimeter-Wave and Sub-Terahertz: From Limits to Design Guidelines

Mahir Burak Usta, Didem Aydogan, Evgenii Vinogradov, Mohammad Shahmoradi, Eduard Alarcon, Sergi Abadal, Korkut Kaan Tokgoz · 2026

This paper presents a comprehensive link budget analysis for millimeter wave (mm-Wave) and sub-Terahertz (sub-THz) communication systems with primary focus on transmitter (TX) noise propagation, an of…

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Engineering Preprint PDF DOI

Topology-Driven Fusion of nnU-Net and MedNeXt for Accurate Brain Tumor Segmentation on Sub-Saharan Africa Dataset

Prabin Bohara, Pralhad Kumar Shrestha, Arpan Rai, Usha Poudel Lamgade, Confidence Raymond, Dong Zhang, Aondona Lorumbu, Craig Jones, Mahesh Shakya, Bishesh Khanal, Pratibha Kulung · 2026

Accurate automatic brain tumor segmentation in Low and Middle-Income (LMIC) countries is challenging due to the lack of defined national imaging protocols, diverse imaging data, extensive use of low-f…

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Engineering Preprint PDF DOI

From Individual Consumers to Energy Communities: A Techno-economic Assessment of Swiss Local Electricity Communities

Na Li, Binod Koirala · 2026

As energy communities move from policy design to implementation in Switzerland, understanding their performance in practice has become increasingly important. A techno-economic assessment of a regulat…

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Engineering Preprint PDF DOI

Impact of deployment on energy efficiency of sub-THz transmission

Hardy Halbauer, Le Hang Nguyen, Thorsten Wild · 2026

Sub-THz bands are promising high bandwidth and data rates, and in the recent years the device technologies made large progress and provided a multitude of transceiver, power amplifier (PA) and phased …

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Engineering Preprint PDF DOI

An Open-Source Hardware-Aware Sub-THz Radio-Stripe Simulator

Tijl Schepens, Thomas Feys, Thomas Eriksson, Gilles Callebaut · 2026

Sub-Terahertz radio-stripe and distributed MIMO architectures promise extreme spatial reuse and multi-GHz bandwidths, but the cascaded fiber front-haul and RF hardware impairments strongly shape end-t…

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Engineering Preprint PDF DOI

Behavioral Systems Theory Meets Machine Learning: Control-Aware Learning of the Intrinsic Behavior from Big Data

Yitao Yan, Yu Tong, Jie Bao, Wei Wang · 2026

The abundance of process operating data in modern industries, along with the rapid advancement of learning techniques, has led to a paradigm shift towards data-centric analysis and control. However, i…

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