Uncertainty quantification in machine learning for engineering design and health prognostics: A tutorial

V Nemani, L Biggio, X Huan, Z Hu, O Fink… - … Systems and Signal …, 2023 - Elsevier
On top of machine learning (ML) models, uncertainty quantification (UQ) functions as an
essential layer of safety assurance that could lead to more principled decision making by …

Physics-informed machine learning in prognostics and health management: State of the art and challenges

D Weikun, KTP Nguyen, K Medjaher, G Christian… - Applied Mathematical …, 2023 - Elsevier
Prognostics and health management (PHM) plays a constructive role in the equipment's
entire life health service. It has long benefited from intensive research into physics modeling …

Counterfactual-augmented few-shot contrastive learning for machinery intelligent fault diagnosis with limited samples

Y Liu, H Jiang, R Yao, T Zeng - Mechanical Systems and Signal Processing, 2024 - Elsevier
Capturing sufficient and balanced data for intelligent fault diagnosis is significantly
consumptive in practice. It is tricky and demand-oriented to identify faults accurately and …

A time-frequency spectral amplitude modulation method and its applications in rolling bearing fault diagnosis

Z Jiang, K Zhang, L **ang, G Yu, Y Xu - Mechanical systems and signal …, 2023 - Elsevier
As one of the key components in rotating machinery, rolling bearings can affect the running
state of equipment and even cause huge damage. Therefore, various methods have been …

Difference mode decomposition for adaptive signal decomposition

B Hou, D Wang, T **a, Z Peng, KL Tsui - Mechanical Systems and Signal …, 2023 - Elsevier
Adaptive extraction of concerned components (CC) from mixed frequency components
remains to be a challenging topic in various research domains. Most existing adaptive mode …

Fault diagnosis of mechanical equipment in high energy consumption industries in China: A review

Y Sun, J Wang, X Wang - Mechanical Systems and Signal Processing, 2023 - Elsevier
Building materials machinery equipment play an important role in the production of cement,
brick and tile, glass and other building materials, which are high energy consumption …

An integrated framework via key-spectrum entropy and statistical properties for bearing dynamic health monitoring and performance degradation assessment

R Yao, H Jiang, C Yang, H Zhu, C Liu - Mechanical Systems and Signal …, 2023 - Elsevier
Dynamic health monitoring (DHM) and performance degradation assessment (PDA) is
critical for mechanical bearings throughout their long in-service life. For this issue, it is …

Ensemble difference mode decomposition based on transmission path elimination technology for rotating machinery fault diagnosis

J Guo, Y Liu, R Yang, W Sun, J **ang - Mechanical Systems and Signal …, 2024 - Elsevier
Difference mode decomposition (DMD) is an effective technique for accurately separating a
signal into fault, natural, and noise components. However, DMD relies on the assumption …

A Wasserstein generative digital twin model in health monitoring of rotating machines

W Hu, T Wang, F Chu - Computers in Industry, 2023 - Elsevier
Artificial intelligence-based rotating machine health monitoring and diagnosis methods often
encounter problems, such as a lack of faulty samples. Although the simulation-based digital …

Understanding importance of positive and negative signs of optimized weights used in the sum of weighted normalized Fourier spectrum/envelope spectrum for …

B Hou, D Wang, JZ Kong, J Liu, Z Peng… - Mechanical Systems and …, 2022 - Elsevier
Abstract Machine condition monitoring is an emerging research domain to use monitoring
data to monitor machine conditions and prevent unexpected machine failures. In our …