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🔍 e.c.r. hehner 📂 Engineering
Showing 64 results for "e.c.r. hehner" in Engineering
Engineering Preprint PDF DOI

Odour sensing in turbulent plumes with high-speed electronic nose and non-invasive ground truth

Nik Dennler, Elle Stark, Saimon Collaku, Lars Larson, Andre van Schaik, Michael Schmuker, John Crimaldi, Andreas T. Guntner, Aaron True · 2026

Chemical sensing in real-world environments requires resolving rapidly fluctuating and spatially heterogeneous concentration fields. However, these dynamics are strongly distorted by widely used, low-…

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Engineering Preprint PDF DOI

HEADER: Hierarchical Robot Exploration via Attention-Based Deep Reinforcement Learning with Expert-Guided Reward

Yuhong Cao, Yizhuo Wang, Jingsong Liang, Shuhao Liao, Yifeng Zhang, Peizhuo Li, Guillaume Sartoretti · 2025

This work pushes the boundaries of learning-based methods in autonomous robot exploration in terms of environmental scale and exploration efficiency. We present HEADER, an attention-based reinforcemen…

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Engineering Preprint PDF DOI

StimulHeat: a Low-Energy Wearable Thermal Feedback Device Using Peltier Elements with Heat Flow Controlled Loop for Hand Interactions in Virtual Reality

Matthieu Mesnage, Sophie Villenave, Bertrand Massot, Matthieu Blanchard, Pierre Raimbaud, Guillaume Lavoue, Claudine Gehin · 2025

Nowadays, the majority of wearable thermal feedback systems designed for use in virtual reality applications are not compatible or not integrated to standard controllers and are based on temperature c…

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Engineering Preprint PDF DOI

Planar Herding of Multiple Evaders with a Single Herder

Rishabh Kumar Singh, Debraj Chakraborty · 2025

A planar herding problem is considered, where a superior pursuer herds a flock of non-cooperative, inferior evaders around a predefined target point. An inverse square law of repulsion is assumed betw…

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Engineering Preprint PDF DOI

Fault Detection Method for Power Conversion Circuits Using Thermal Image and Convolutional Autoencoder

Noboru Katayama, Rintaro Ishida · 2025

A fault detection method for power conversion circuits using thermal images and a convolutional autoencoder is presented. The autoencoder is trained on thermal images captured from a commercial power …

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Engineering Preprint PDF DOI

ecg2o: A Seamless Extension of g2o for Equality-Constrained Factor Graph Optimization

Anas Abdelkarim, Holger Voos, Daniel Gorges · 2025

Factor graph optimization serves as a fundamental framework for robotic perception, enabling applications such as pose estimation, simultaneous localization and mapping (SLAM), structure-from-motion (…

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Engineering Preprint PDF DOI

Optimizing Smart Helper Placement for Enhanced Cache Efficiency in F-RANs

Hesameddin Mokhtarzadeh, Mohammed Saif, Md. Jahangir Hossain, Julian Cheng · 2025

Smart helpers (SHs) have been proposed to improve content delivery delays and alleviate high fronthaul loads in fog radio access networks (F-RANs). They offer an alternative to deploying additional en…

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Engineering Preprint PDF DOI

Survey of image processing settings used for mammography systems in the United Kingdom: how variable is it?

Alistair Mackenzie, John Loveland, Ruben van Engen · 2025

The aim was to undertake a national survey of the setup of mammography imaging systems in the UK, we were particularly interested in image processing and software version. We created a program that ca…

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Engineering Preprint PDF DOI

Better Safe Than Sorry: Enhancing Arbitration Graphs for Safe and Robust Autonomous Decision-Making

Piotr Spieker, Nick Le Large, Martin Lauer · 2024

This paper introduces an extension to the arbitration graph framework designed to enhance the safety and robustness of autonomous systems in complex, dynamic environments. Building on the flexibility …

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Engineering Preprint PDF DOI

Probabilistic Allocation of Payload Code Rate and Header Copies in LR-FHSS Networks

Jamil de Araujo Farhat, Jean Michel de Souza Sant'Ana, Joao Luiz Rebelatto, Nurul Huda Mahmood, Gianni Pasolini, Richard Demo Souza · 2024

We evaluate the performance of the LoRaWAN Long-Range Frequency Hopping Spread Spectrum (LR-FHSS) technique using a device-level probabilistic strategy for code rate and header replica allocation. Spe…

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Engineering Preprint PDF DOI

Protecting residential electrical panels and service through model predictive control: A field study

Elias N. Pergantis, Levi D. Reyes Premer, Alex H. Lee, Priyadarshan, Haotian Liu, Eckhard A. Groll, Davide Ziviani, Kevin J. Kircher · 2024

Residential electrification - replacing fossil-fueled appliances and vehicles with electric machines - can significantly reduce greenhouse gas emissions and air pollution. However, installing electric…

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Engineering Preprint PDF DOI

Automated classification of multi-parametric body MRI series

Boah Kim, Tejas Sudharshan Mathai, Kimberly Helm, Ronald M. Summers · 2024

Multi-parametric MRI (mpMRI) studies are widely available in clinical practice for the diagnosis of various diseases. As the volume of mpMRI exams increases yearly, there are concomitant inaccuracies …

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Engineering Preprint PDF DOI

Overcoming challenges of translating deep-learning models for glioblastoma: the ZGBM consortium

Haris Shuaib, Gareth J Barker, Peter Sasieni, Enrico De Vita, Alysha Chelliah, Roman Andrei, Keyoumars Ashkan, Erica Beaumont, Lucy Brazil, Chris Rowland-Hill, Yue Hui Lau, Aysha Luis, James Powell, Angela Swampillai, Sean Tenant, Stefanie C Thust, Stephen Wastling, Tom Young, Thomas C Booth · 2024

Objective: To report imaging protocol and scheduling variance in routine care of glioblastoma patients in order to demonstrate challenges of integrating deep-learning models in glioblastoma care pathw…

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Engineering Preprint PDF DOI

LR-FHSS Transceiver for Direct-to-Satellite IoT Communications: Design, Implementation, and Verification

Sooyeob Jung, Seongah Jeong, Jinkyu Kang, Gyeongrae Im, Sangjae Lee, Mi-Kyung Oh, Joon Gyu Ryu, Joonhyuk Kang · 2024

This paper proposes a long range-frequency hopping spread spectrum (LR-FHSS) transceiver design for the Direct-to-Satellite Internet of Things (DtS-IoT) communication system. The DtS-IoT system has re…

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Engineering Preprint PDF DOI

The Development of a Microcontroller based Smoked Fish Machine

Aldrin Joar R. Taduran · 2024

The development of a microcontroller-based smoked fish machine aims to combine and automate the boiling, smoking, and drying. The machine consists of an Arduino microcontroller, heater, spark gap igni…

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Engineering Preprint PDF DOI

BubbleID: A Deep Learning Framework for Bubble Interface Dynamics Analysis

Christy Dunlap, Changgen Li, Hari Pandey, Ngan Le, Han Hu · 2024

This paper presents BubbleID, a sophisticated deep learning architecture designed to comprehensively identify both static and dynamic attributes of bubbles within sequences of boiling images. By amalg…

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Engineering Preprint PDF DOI

Energy-based PINNs for solving coupled field problems: concepts and application to the multi-objective optimal design of an induction heater

Marco Baldan, Paolo Di Barba · 2024

Physics-informed neural networks (PINNs) are neural networks (NNs) that directly encode model equations, like Partial Differential Equations (PDEs), in the network itself. While most of the PINN algor…

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Engineering Preprint PDF DOI

Improving the Load Flexibility of Stratified Electric Water Heaters: Design and Experimental Validation of MPC Strategies

Elizabeth Buechler, Aaron Goldin, Ram Rajagopal · 2023

Residential electric water heaters have significant load shifting capabilities due to their thermal heat capacity and large energy consumption. Model predictive control (MPC) has been shown to be an e…

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Engineering Preprint PDF DOI

Semantic Synchronization for Enhanced Reliability in Communication Systems

Xiaoyi Liu, Haotai Liang, Chen Dong, Xiaodong Xu · 2023

As a new communication paradigm, semantic communication has received widespread attention in communication fields. However, since the decoding of semantic signals relies on contextual knowledge, misal…

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Engineering Preprint PDF DOI

Simulation of acquisition shifts in T2 Flair MR images to stress test AI segmentation networks

Christiane Posselt, Mehmet Yigit Avci, Mehmet Yigitsoy, Patrick Schunke, Christoph Kolbitsch, Tobias Schaffter, Stefanie Remmele · 2023

Purpose: To provide a simulation framework for routine neuroimaging test data, which allows for "stress testing" of deep segmentation networks against acquisition shifts that commonly occur in clinica…

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