Condition-based maintenance considering imperfect inspection for a multi-state system subject to competing and hidden failures

Y Zhang, L Ouyang, X Meng, X Zhu - Computers & Industrial Engineering, 2024 - Elsevier
Unexpected failures may cause huge economic losses and bring about uncontrolled risks
and damage to humans and the environment. Condition-based maintenance is considered …

Service-oriented multi-skilled technician routing and scheduling problem for medical equipment maintenance with sudden breakdown

H Qiu, J Wang, D Wang, Y Yin - Advanced Engineering Informatics, 2023 - Elsevier
Motivated by the service-oriented intelligent maintenance activity under the development of
the digital economy, we study the operation and maintenance strategies of the Maintenance …

Reliability and maintenance modeling for a load-sharing k-out-of-n system subject to hidden failures

R Ahmadi - Computers & Industrial Engineering, 2020 - Elsevier
Using a generic n-variate Farlie–Gumbel–Morgenstern (FGM) copula function, this paper
explores an approach for reliability modeling and maintaining a load-sharing k-out-of-n …

An approach to modeling residual life of a renewal process for reliability analysis and maintenance planning

R Ahmadi, Z Rasaei, R Farnoosh - Computers & Industrial Engineering, 2023 - Elsevier
This paper extends and relaxes the structure of a mean remaining time to renewal model for
a failure prone system subject to minimal repairs. Compared to existing related works, the …

An optimal preventive maintenance policy for a two-stage competing-risk system with hidden failures

Y Zhang, J Shen, Y Ma - Computers & Industrial Engineering, 2021 - Elsevier
In many complex industrial systems, failures are not always evident to the operating crew,
thus inspections are used to identify such hidden failures and then make necessary …

Reliability modeling and maintenance optimization for a repairable system with heterogeneity population

R Ahmadi, S Wu, A Sobhani - IEEE Transactions on Reliability, 2021 - ieeexplore.ieee.org
This article proposes an integrated approach for reliability modeling and maintenance
scheduling of repairable parallel systems subject to hidden failures. The system consists of …

Reliability modeling and maintenance planning for a parallel system with respect to the state-dependent mean residual time

R Ahmadi, IT Castro, L Bautista - Journal of the Operational …, 2024 - Taylor & Francis
Parallel configuration is one of the most important structures for complex systems. Due to its
role in reliability analysis, there has been a growing interest in using the mean residual …

Shocks models with damage effect evolutions following Markov processes

L Cui, F Kang - Journal of the Operational Research Society, 2023 - Taylor & Francis
Shock models have been widely studied in reliability area, because many real phenomena
in reliability engineering can be depicted by the shock models. In general, the damage …

A signature-based approach for reliability modeling and maintenance optimization of a coherent system

R Ahmadi, A Sobhani - Computers & Industrial Engineering, 2022 - Elsevier
In reliability context, mean residual lifetime (MRL) models and proportional hazard (PH)
models are widely used for reliability analysis and failure prediction. Since maintenance …

A bivariate process-based mean residual lifetime model for maintenance and inspection planning

R Ahmadi - Computers & Industrial Engineering, 2022 - Elsevier
In this paper, we present a new performance metric for the reliability analysis of a
deteriorating system composed of n parallel subsystems. The explored model outperforms …