Inverse Gaussian processes with correlated random effects for multivariate degradation modeling

G Fang, R Pan, Y Wang - European Journal of Operational Research, 2022 - Elsevier
Many engineering products have more than one failure mode and the evolution of each
mode can be monitored by measuring a performance characteristic (PC). It is found that the …

A predictive maintenance model for k-out-of-n: F continuously deteriorating systems subject to stochastic and economic dependencies

KT Huynh, HC Vu, TD Nguyen, AC Ho - Reliability Engineering & System …, 2022 - Elsevier
New concepts of Industry 4.0 make industrial systems more and more complex due to the
strong dependencies among a large number of stochastically deteriorating units. Ignoring …

Remaining useful life prediction for multiple degradation indicators systems considering random correlation

B Wu, J Zeng, H Shi, X Zhang, Y Qin - Computers & Industrial Engineering, 2023 - Elsevier
With the increasing complexity of system structure, using only a single degradation indicator
often fails to fully reflect the potential degradation state and failure type of the system …

Maintenance policies for two-unit balanced systems subject to degradation

X Zhao, Z Wang - IEEE Transactions on Reliability, 2022 - ieeexplore.ieee.org
In this article, we present a novel maintenance policy optimization method for systems with
two balanced components. The components in the system are assumed to degrade over …

Failure mode division and remaining useful life prognostics of multi-indicator systems with multi-fault

B Wu, X Zhang, H Shi, J Zeng - Reliability Engineering & System Safety, 2024 - Elsevier
Modern large-scale industrial systems are complex in structure, and their health states are
usually reflected by multiple indicators. The performance degradation of multiple indicators …

Common stochastic effects induced multivariate degradation process with temporal dependency in degradation characteristic and unit dimensions

X Wu, T Huang, J Liu - Reliability Engineering & System Safety, 2023 - Elsevier
Degradation modelling plays a vital role in reliability engineering. Existing degradation
models mainly focus on degradation data with a single degradation characteristic (DC) and …

State-of-the-art in perception technologies for collaborative robots

X Ding, J Guo, Z Ren, P Deng - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
The developments in sensor technology, information processing, computer science, and
artificial intelligence significantly improved robots' autonomy. Robots' external perception …

A class of hierarchical multivariate wiener processes for modeling dependent degradation data

G Fang, R Pan - Technometrics, 2024 - Taylor & Francis
In engineering practice, many products exhibit multiple and dependent degrading
performance characteristics (PCs). It is common to observe that these PCs' initial …

Degradation analysis with nonlinear exponential‐dispersion process: Bayesian offline and online perspectives

Y Ding, R Zhu, W Peng, M Xie - Quality and Reliability …, 2022 - Wiley Online Library
Exponential‐dispersion (ED) process has been recently introduced and demonstrated as a
promising degradation model, which can include classical Wiener, gamma, and inverse …

On the modeling of dependence between univariate Lévy wear processes and impact on the reliability function

S Mercier, G Verdier - Applied Stochastic Models in Business …, 2024 - Wiley Online Library
Univariate Lévy processes have become quite common in the reliability literature for
modeling accumulative deterioration. In case of correlated deterioration indicators, several …