Nonlinear dynamic behavior analysis of dual-rotor-bearing systems with looseness and rub–impact faults

K Lu, D Guo, W Zhu, Y Jin, H Cheng, X Gu, C Fu - AIAA Journal, 2023 - arc.aiaa.org
The nonlinear dynamic behaviors of dual-rotor-bearing systems with looseness and rub–
impact faults are discussed in this paper. The dual-rotor-bearing system with looseness and …

Physics-based reduced order modeling for uncertainty quantification of guided wave propagation using bayesian optimization

GI Drakoulas, TV Gortsas, D Polyzos - Engineering Applications of Artificial …, 2024 - Elsevier
Guided wave propagation (GWP) is commonly employed for the design of SHM systems.
However, GWP is sensitive to variations in the material properties, often leading to false …

The digital twin landscape at the crossroads of predictive maintenance, machine learning and physics based modeling

B Kunzer, M Berges, A Dubrawski - arXiv preprint arXiv:2206.10462, 2022 - arxiv.org
The concept of a digital twin has exploded in popularity over the past decade, yet confusion
around its plurality of definitions, its novelty as a new technology, and its practical …

Guided Wave–Based Defect Localization via Parameterized FRF-Based Reduced-Order Models

P Sieber, K Agathos, R Soman… - Journal of …, 2024 - ascelibrary.org
The use of Lamb waves within a guided wave (GW)–based scheme holds promise toward
monitoring and nondestructive evaluation (NDE) of plate structures. Their short wavelength …

ML-based Digital Twin for anomaly detection: a case-study on Turtle soccer robots

X Liu, M Van Den Brand, HM Muctadir… - 2023 49th Euromicro …, 2023 - ieeexplore.ieee.org
In recent years, machine learning (ML) based digital twins (DTs) have seen widespread
application in the anomaly detection domain. A search-based literature survey revealed that …

COMPUTATIONAL METHODS FOR ENABLING DIGITAL TWINS

D GIOVANIS, M GUO, D LOUKREZIS, D MANVELYAN - congressarchive.cimne.com
ABSTRACT The Digital Twin is a cornerstone technology concept within the ongoing 4th
industrial revolution. By connecting physical assets to their digital replicas, Digital Twins …