Issue |
E3S Web Conf.
Volume 409, 2023
International Conference on Management Science and Engineering Management (ICMSEM 2023)
|
|
---|---|---|
Article Number | 04015 | |
Number of page(s) | 10 | |
Section | Project Management | |
DOI | https://doi.org/10.1051/e3sconf/202340904015 | |
Published online | 01 August 2023 |
A Comparative Study of Preventive Maintenance Thresholds for Deteriorating Systems
1 CUNEF University, Madrid, Spain
2 Ingenium Research Group, Universidad Castilla-La Mancha, 13071 Ciudad Real, Spain
* e-mail: alberto.pliego@cunef.edu
Degradation of engineering systems is a phenomenon that affects the reliability and the lifetime of systems. Maintenance of deteriorating systems has been widely studied over the past 50 years. Numerous maintenance models have been proposed in the literature to manage degradation. In this paper, we focus on a condition-based maintenance strategy for those systems suffering a continuous deterioration process. We propose the use of a non-constant maintenance threshold to determine when a preventive action is required. The main goal is to analyse the effect of non-constant threshold in the long-term maintenance cost rate. We demonstrate numerically the convergence of the long run cost rate and some statistical properties of the proposed model. We compare the use of a constant threshold with a non-constant threshold through two different simulated case studies. The simulations provide some statistical results that reveals interesting advantages and drawbacks of using a non-constant threshold.
Key words: Deteriorating systems / Gamma process / Preventive maintenance / Maintenance management
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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