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Condition-Based Maintenance Optimization for Multicomponent Systems Under Imperfect Repair—Based on RFAD Model

IEEE transactions on fuzzy systems, 2019
Condition-based maintenance has been developed as a very efficient strategy for guaranteeing multicomponent system performance and preventing unexpected failures.
Hong-Guang Ma   +3 more
semanticscholar   +1 more source

Models for Imperfect Repair

2011
We consider two main approaches for modeling of imperfect repair processes. The first approach is via the modeling of conditional intensities, which combines in some sense the features of the “extreme” repair processes, RP and NHPP. The second approach is via the notion of effective ages, where the idea is that repairs may result in improved system ...
M. Luz Gámiz   +3 more
openaire   +1 more source

A repairable system with imperfect coverage and reboot

Applied Mathematics and Computation, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jau-Chuan Ke, Tzu-Hsin Liu
openaire   +2 more sources

Reliability analysis of multiple repairable systems under imperfect repair and unobserved heterogeneity

Quality and Reliability Engineering International
Imperfect repairs (IRs) are widely applicable in reliability engineering since most equipment is not completely replaced after failure. In this sense, it is necessary to develop methodologies that can describe failure processes and predict the ...
Éder S. Brito   +4 more
semanticscholar   +1 more source

Multivariate age‐dependent imperfect repair

Naval Research Logistics (NRL), 1991
AbstractIn this article we consider models of systems whose components have dependent life lengths with specific multivariate distributions. Upon failure, components are repaired. Two types of repair are distinguished. After perfect repair, a unit has the same life distribution as a new item.
Sheu, Shey-Huei, Griffith, William S.
openaire   +1 more source

Availability and Comparison of Four Retrial Systems with Imperfect Coverage and General Repair Times

Reliability Engineering & System Safety, 2021
In various industries, system availability assessment has been extensively investigated. Particularly, a stable power supply system is essential and critical in many service systems such as communication networks, mass transit systems, data storage ...
Chia-Huang Wu, T. Yen, Kuo-Hsiung Wang
semanticscholar   +1 more source

Bayesian imperfect repair model

Communications in Statistics - Theory and Methods, 1998
An imperfect repair model proposed by Brown and Proschan(J. Appl. Prob. 20. 1983) is extended in this paper. We propose a new Bayesian imperfect repair model where the probability of perfect repair, P, is considered to be a random variable. Assuming that P has a prior distribution Π(p), we obtain the distribution of waiting times between two successive
Jae-Hak Lim, Kun-Liang Lu, Dong Ho Park
openaire   +1 more source

Repair-Limit Risk-Free Warranty Policies With Imperfect Repair

IEEE Transactions on Systems, Man, and Cybernetics - Part A: Systems and Humans, 2005
The current competitive market environment requires manufacturers to continuously provide better service and support. As a result, warranty considerations emerge as a significant instrument for increasing product marketability. In this paper, we propose a new warranty policy, the repair-limit risk-free warranty with a threshold point on the number of ...
Jun Bai, Hoang Pham
openaire   +2 more sources

DISCRETE REPAIR-COST LIMIT REPLACEMENT POLICIES WITH/WITHOUT IMPERFECT REPAIR [PDF]

open access: possibleAsia-Pacific Journal of Operational Research, 2008
This paper addresses statistical estimation problems of the optimal repair-cost limits minimizing the long-run average costs per unit time in discrete seting. Two discrete repair-cost limit replacement models with/without imperfect repair are considered.
Kazuki Iwamoto, Tadashi Dohi, Naoto Kaio
openaire   +2 more sources

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