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๐Ÿ” sungsoo ahn ๐Ÿ“‚ Engineering
Showing 175 results for "sungsoo ahn" in Engineering
Engineering Preprint PDF DOI

AnyImageNav: Any-View Geometry for Precise Last-Meter Image-Goal Navigation

Yijie Deng, Shuaihang Yuan, Yi Fang ยท 2026

Image Goal Navigation (ImageNav) is evaluated by a coarse success criterion, the agent must stop within 1m of the target, which is sufficient for finding objects but falls short for downstream tasks sโ€ฆ

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Engineering Preprint PDF DOI

On ANN-enhanced positive invariance for nonlinear flat systems

Huu-Thinh Do, Ionela Prodan ยท 2026

The concept of positively invariant (PI) sets has proven effective in the formal verification of stability and safety properties for autonomous systems. However, the characterization of such sets is cโ€ฆ

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Engineering Preprint PDF DOI

Human-in-the-Loop Pareto Optimization: Trade-off Characterization for Assist-as-Needed Training and Performance Evaluation

Harun Tolasa, Volkan Patoglu ยท 2026

During human motor skill training and physical rehabilitation, there is an inherent trade-off between task difficulty and user performance. Characterizing this trade-off is crucial for evaluating userโ€ฆ

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Engineering Preprint PDF DOI

TCG CREST System Description for the DISPLACE-M Challenge

Nikhil Raghav, Md Sahidullah ยท 2026

This report presents the TCG CREST system description for Track 1 (Speaker Diarization) of the DISPLACE-M challenge, focusing on naturalistic medical conversations in noisy rural-healthcare scenarios.โ€ฆ

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Engineering Preprint PDF DOI

Traffic Collisions: Temporal Patterns and Severity-Weighted Hotspot Analysis

Nael Alsaleh, Noura Falis, Tareq Alsaleh, Farah Ba Fakih ยท 2026

Understanding traffic collision patterns is of high importance for effective road safety planning in fast-growing urban environments. This study examines the temporal and spatial patterns of traffic cโ€ฆ

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Engineering Preprint PDF DOI

Multi-objective control strategy of Electro-Mechanical Transmission Based on Driving Pattern Division

Yanbo Li, Jinsong Li, Zongjue Liu, Riming Xu ยท 2025

Based on the driving requirement and power balance of heavy-duty vehicle equipped with Electro-Mechanical Transmission (EMT), optimization goals under different driving patterns are put forward. The oโ€ฆ

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Engineering Preprint PDF DOI

One Request, Multiple Experts: LLM Orchestrates Domain Specific Models via Adaptive Task Routing

Xu Yang, Chenhui Lin, Haotian Liu, Qi Wang, Yue Yang, Wenchuan Wu ยท 2025

With the integration of massive distributed energy resources and the widespread participation of novel market entities, the operation of active distribution networks (ADNs) is progressively evolving iโ€ฆ

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Engineering Preprint PDF DOI

Towards Adaptive Humanoid Control via Multi-Behavior Distillation and Reinforced Fine-Tuning

Yingnan Zhao, Xinmiao Wang, Dewei Wang, Xinzhe Liu, Dan Lu, Qilong Han, Peng Liu, Chenjia Bai ยท 2025

Humanoid robots are promising to learn a diverse set of human-like locomotion behaviors, including standing up, walking, running, and jumping. However, existing methods predominantly require training โ€ฆ

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Engineering Preprint PDF DOI

Voltage-Independent Active-Power Droop Coefficient for Enhanced Andronov-Hopf Oscillator Grid-Forming Inverters

Hamed Rezazadeh, Mohammad Monfared, Meghdad Fazeli, Saeed Golestan ยท 2025

In recent years, virtual oscillator control, particularly the Andronov-Hopf oscillator (AHO), has received widespread attention for controlling grid-forming (GFM) inverters due to their superior dynamโ€ฆ

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Engineering Preprint PDF DOI

Design and Implementation of a Cloud Computing Security Assessment Model Based on Hierarchical Analysis and Fuzzy Comprehensive Evaluation

Yihong Zou ยท 2025

At the rapid pace of technological evolution, the emerging cloud computing technology has promoted the digitalization and business innovation of the enterprise in all industries due to its advantages โ€ฆ

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Engineering Preprint PDF DOI

Low-cost Pyranometer-Based ANN Approach for MPPT in Solar PV Systems

Luiz Fernando M. Arruda, Moises Ferber, Diego Greff ยท 2025

This article presents a study on the application of artificial neural networks (ANNs) for maximum power point tracking (MPPT) in photovoltaic (PV) systems using low-cost pyranometer sensors. The propoโ€ฆ

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Engineering Preprint PDF DOI

Learning a Shape-adaptive Assist-as-needed Rehabilitation Policy from Therapist-informed Input

Zhimin Hou, Jiacheng Hou, Xiao Chen, Hamid Sadeghian, Tianyu Ren, Sami Haddadin ยท 2025

Therapist-in-the-loop robotic rehabilitation has shown great promise in enhancing rehabilitation outcomes by integrating the strengths of therapists and robotic systems. However, its broader adoption โ€ฆ

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Engineering Preprint PDF DOI

Voltage Synchronization and Proportional Current Sharing of Grid-Forming Inverters

Qianxi Tang, Li Peng ยท 2025

Most previously proposed controllers are analyzed in the small-signal/quasi-steady regime rather than large-signal or transient stability for grid-forming inverters (GFMI). Additionally, methods that โ€ฆ

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Engineering Preprint PDF DOI

Game-Theoretic Resilience Framework for Cyber-Physical Microgrids using Multi-Agent Reinforcement Learning

S Krishna Niketh, Sagar Babu Mitikiri, V Vignesh, Vedantham Lakshmi Srinivas, Mayukha Pal ยท 2025

The increasing reliance on cyber physical infrastructure in modern power systems has amplified the risk of targeted cyber attacks, necessitating robust and adaptive resilience strategies. This paper pโ€ฆ

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Engineering Preprint PDF DOI

Affine Modulation-based Audiogram Fusion Network for Joint Noise Reduction and Hearing Loss Compensation

Ye Ni, Ruiyu Liang, Xiaoshuai Hao, Jiaming Cheng, Qingyun Wang, Chengwei Huang, Cairong Zou, Wei Zhou, Weiping Ding, Bjorn W. Schuller ยท 2025

Hearing aids (HAs) are widely used to provide personalized speech enhancement (PSE) services, improving the quality of life for individuals with hearing loss. However, HA performance significantly decโ€ฆ

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Engineering Preprint PDF DOI

A Cost-Optimization Model for EV Charging Stations Utilizing Solar Energy and Variable Pricing

An Nguyen, Hung Pham, Cuong Do ยท 2025

This paper presents a cost optimization framework for electric vehicle (EV) charging stations that leverages on-site photovoltaic (PV) generation and explicitly accounts for electricity price uncertaiโ€ฆ

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Engineering Preprint PDF DOI

Transformer-Based Explainable Deep Learning for Breast Cancer Detection in Mammography: The MammoFormer Framework

Ojonugwa Oluwafemi Ejiga Peter, Daniel Emakporuena, Bamidele Dayo Tunde, Maryam Abdulkarim, Abdullahi Bn Umar ยท 2025

Breast cancer detection through mammography interpretation remains difficult because of the minimal nature of abnormalities that experts need to identify alongside the variable interpretations betweenโ€ฆ

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Engineering Preprint PDF DOI

Learning coupled Allen-Cahn and Cahn-Hilliard phase-field equations using Physics-informed neural operator(PINO)

Gaijinliu Gangmei, Santu Rana, Bernard Rolfe, Kishalay Mitra, Saswata Bhattacharyya ยท 2025

Phase-field equations, mostly solved numerically, are known for capturing the mesoscale microstructural evolution of a material. However, such numerical solvers are computationally expensive as it neeโ€ฆ

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Engineering Preprint PDF DOI

Interpretable Artificial Intelligence for Detecting Acute Heart Failure on Acute Chest CT Scans

Silas Nyboe {O}rting, Kristina Miger, Anne Sophie Overgaard Olesen, Mikael Ploug Boesen, Michael Brun Andersen, Jens Petersen, Olav W. Nielsen, Marleen de Bruijne ยท 2025

Introduction: Chest CT scans are increasingly used in dyspneic patients where acute heart failure (AHF) is a key differential diagnosis. Interpretation remains challenging and radiology reports are frโ€ฆ

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Engineering Preprint PDF DOI

Unobtrusive Reflectance Photoplethysmography for Detecting and Severity Grading of Sleep Apnea via Oxygen Desaturation Index

Karen Adam, Clementine Aguet, Patrick Theurillat, Florent Baty, Maximilian Boesch, Damien Ferrario, Mathieu Lemay, Martin Brutsche, Fabian Braun ยท 2025

Sleep apnea is a common chronic sleep-related disorder which is known to be a comorbidity for cerebro- and cardio-vascular disease. Diagnosis of sleep apnea usually requires an overnight polysomnograpโ€ฆ

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