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🔍 michael herty 📂 Engineering 📄 Preprint
Showing 46 results for "michael herty" in Engineering · Preprint
Engineering Preprint PDF DOI

Semi-Blind Channel Estimation and Hybrid Receiver Beamforming in the Tera-Hertz Multi-User Massive MIMO Uplink

Abhisha Garg, Suraj Srivastava, Varsha Dubey, Aditya Jagannatham, Lajos Hanzo · 2026

We develop a pragmatic multi-user (MU) massive multiple-input multiple-output (MIMO) channel model tailored to the THz band, encompassing factors such as molecular absorption, reflection losses and mu…

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Engineering Preprint PDF DOI

4D Fresnel Space-Time Modulation for Near-Field ELAA: Kinematic Multiplexing and O(N log N) Precoding at Sub-THz Frequencies

Rahul Gulia · 2026

Extremely Large Antenna Arrays (ELAA) operating at sub-terahertz frequencies introduce a regime where near-field Fresnel propagation and high-mobility carrier Doppler interact simultaneously, creating…

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Engineering Preprint PDF DOI

One Step Is Enough: Dispersive MeanFlow Policy Optimization

Guowei Zou, Haitao Wang, Hejun Wu, Yukun Qian, Yuhang Wang, Weibing Li · 2026

Real-time robotic control demands fast action generation. However, existing generative policies based on diffusion and flow matching require multi-step sampling, fundamentally limiting deployment in…

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Engineering Preprint PDF DOI

Direct Kernel Optimization: Efficient Design for Opto-Electronic Convolutional Neural Networks

Ali Almuallem, Harshana Weligampola, Abhiram Gnanasambandam, Wei Xu, Dilshan Godaliyadda, Hamid R. Sheikh, Stanley H. Chan, Qi Guo · 2025

Hybrid opto-electronic neural networks combine optical front-ends with electronic back-ends to perform vision tasks, but joint end-to-end (E2E) optimization of optical and electronic components is com…

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Engineering Preprint PDF DOI

Adaptive Finite State Projection with Quantile-Based Pruning for Solving the Chemical Master Equation

Aditya Dendukuri, Linda Petzold · 2025

We present an adaptive Finite State Projection (FSP) method for efficiently solving the Chemical Master Equation (CME) with rigorous error control. Our approach integrates time-stepping with dynamic s…

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Engineering Preprint PDF DOI

A sub-structuring approach for model reduction of frictionally clamped thin-walled structures

Patrick Hippold, Johann Gross, Malte Krack · 2025

Thin-walled structures clamped by friction joints, such as aircraft skin panels are exposed to bending-stretching coupling and frictional contact. We propose an original sub-structuring approach, wher…

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Engineering Preprint PDF DOI

Energy-based physics-informed neural network for frictionless contact problems under large deformation

Jinshuai Bai, Zhongya Lin, Yizheng Wang, Jiancong Wen, Yinghua Liu, Timon Rabczuk, YuanTong Gu, Xi-Qiao Feng · 2024

Numerical methods for contact mechanics are of great importance in engineering applications, enabling the prediction and analysis of complex surface interactions under various conditions. In this work…

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Engineering Preprint PDF DOI

An improved point-to-surface contact algorithm with penalty method for peridynamics

Haoran Zhang, Lisheng Liu, Xin Lai, Jun Li · 2024

It is significantly challenging to obtain accurate contact forces in peridynamics (PD) simulations due to the difficulty of surface particles identification, particularly for complex geometries. Here,…

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Engineering Preprint PDF DOI

RobocupGym: A challenging continuous control benchmark in Robocup

Michael Beukman, Branden Ingram, Geraud Nangue Tasse, Benjamin Rosman, Pravesh Ranchod · 2024

Reinforcement learning (RL) has progressed substantially over the past decade, with much of this progress being driven by benchmarks. Many benchmarks are focused on video or board games, and a large n…

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Engineering Preprint PDF DOI

Language-Driven Closed-Loop Grasping with Model-Predictive Trajectory Replanning

Huy Hoang Nguyen, Minh Nhat Vu, Florian Beck, Gerald Ebmer, Anh Nguyen, Andreas Kugi · 2024

Combining a vision module inside a closed-loop control system for a \emph{seamless movement} of a robot in a manipulation task is challenging due to the inconsistent update rates between utilized modu…

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Engineering Preprint PDF DOI

Waverider: Leveraging Hierarchical, Multi-Resolution Maps for Efficient and Reactive Obstacle Avoidance

Victor Reijgwart, Michael Pantic, Roland Siegwart, Lionel Ott · 2024

Fast and reliable obstacle avoidance is an important task for mobile robots. In this work, we propose an efficient reactive system that provides high-quality obstacle avoidance while running at hundre…

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Engineering Preprint PDF DOI

GAD-Generative Learning for HD Map-Free Autonomous Driving

Weijian Sun, Yanbo Jia, Qi Zeng, Zihao Liu, Jiang Liao, Yue Li, Xianfeng Li · 2024

Deep-learning-based techniques have been widely adopted for autonomous driving software stacks for mass production in recent years, focusing primarily on perception modules, with some work extending t…

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Engineering Preprint PDF DOI

Autonomous Driving Small-Scale Cars: A Survey of Recent Development

Dianzhao Li, Paul Auerbach, Ostap Okhrin · 2024

While engaging with the unfolding revolution in autonomous driving, a challenge presents itself, how can we effectively raise awareness within society about this transformative trend? While full-scale…

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Engineering Preprint PDF DOI

Resource and Mobility Management in Hybrid LiFi and WiFi Networks: A User-Centric Learning Approach

Han Ji, Xiping Wu · 2024

Hybrid light fidelity (LiFi) and wireless fidelity (WiFi) networks (HLWNets) are an emerging indoor wireless communication paradigm, which combines the advantages of the capacious optical spectra of L…

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Engineering Preprint PDF DOI

SAQIEL: Ultra-Light and Safe Manipulator with Passive 3D Wire Alignment Mechanism

Temma Suzuki, Masahiro Bando, Kento Kawaharazuka, Kei Okada, Masayuki Inaba · 2024

Improving the safety of collaborative manipulators necessitates the reduction of inertia in the moving part. Within this paper, we introduce a novel approach in the form of a passive 3D wire aligner, …

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Engineering Preprint PDF DOI

Hefty: A Modular Reconfigurable Robot for Advancing Robot Manipulation in Agriculture

Dominic Guri, Moonyoung Lee, Oliver Kroemer, George Kantor · 2024

This paper presents a modular, reconfigurable robot platform for robot manipulation in agriculture. While robot manipulation promises great advancements in automating challenging, complex tasks that a…

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Engineering Preprint PDF DOI

A New Architecture for Energy Efficient Fault Detection Using Energy Harvesters

Dongti Zhang, Patricio Peralta-Braz, Chun Tung Chou, Elena Atroshchenko, Mehrisadat Makki Alamdari, Mahbub Hassan · 2024

The current battery-powered fault detection system for vibration monitoring has a rather limited lifetime. This is because the high-frequency sampling (typically tens of kilo-Hertz) required for vibra…

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Engineering Preprint PDF DOI

Angularly Sparse Channel Estimation in Dual-Wideband Tera-Hertz (THz) Hybrid MIMO Systems Relying on Bayesian Learning

Abhisha Garg, Suraj Srivastava, Nimish Yadav, Aditya K. Jagannatham, Lajos Hanzo · 2024

Bayesian learning aided massive antenna array based THz MIMO systems are designed for spatial-wideband and frequency-wideband scenarios, collectively termed as the dual-wideband channels. Essentially,…

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Engineering Preprint PDF DOI

Irradiation Tests for Commercial Off-the Shelf Components with Atmospheric-like Neutrons and Heavy-Ions

Paolo Branchini, Andrea Fabbri, Sacha Cormenier, Marco Bernardini, Giovanni Romanelli, Enrico Preziosi, Roberto Senesi, Carla Andreani, C. Frost, Carlo Cazzaniga, Toni Fabio Catalano, Mario Buffardo · 2023

This paper presents the results of the irradiation, performed with atmospheric-like neutrons and heavy-ions, of Commercial Off-the Shelf Components (COTS), which can be used in space missions. In such…

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Engineering Preprint PDF DOI

GRAINS: Proximity Sensing of Objects in Granular Materials

Zeqing Zhang, Ruixing Jia, Youcan Yan, Ruihua Han, Shijie Lin, Qian Jiang, Liangjun Zhang, Jia Pan · 2023

Proximity sensing detects an object's presence without contact. However, research has rarely explored proximity sensing in granular materials (GM) due to GM's lack of visual and complex properties. In…

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