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المؤلفZhao, Xufeng
المؤلفChen, Mingchih
المؤلفNakagawa, Toshio
تاريخ الإتاحة2021-09-01T10:03:30Z
تاريخ النشر2016
اسم المنشورReliability Engineering and System Safety
المصدرScopus
معرّف المصادر الموحدhttp://dx.doi.org/10.1016/j.ress.2016.01.008
معرّف المصادر الموحدhttp://hdl.handle.net/10576/22479
الملخصIt has been assumed in most maintenance models that (i) the number of units for a parallel system can be predefined precisely, (ii) maintenance cost after failure should be avoided, and (iii) age replacement can always be performed at its optimized times. However, these assumptions are challenged from practical perspectives in this paper. For this purpose, shortage and excess costs, which claim that replacement done too early before failure involves a waste of operation, are introduced into replacement models, such as replacement plans with time T or distribution G(t) for constant n or random N of units. Furthermore, the number N of working times and the number n of available units for a scheduled replacement time T are discussed. For each model, the expected replacement cost for one cycle and expected replacement cost rate for a long run are optimized, and numerical examples are given. 2016 Elsevier Ltd. All rights reserved.
راعي المشروعThis work is partially supported by Postdoctoral Research Award PDRA1-0116-14107 from the Qatar National Research Fund, and Ministry of Science and Technology of Taiwan MOST 103-2221-E-030 -008 .
اللغةen
الناشرElsevier Ltd
الموضوعParallel processing systems
Safety engineering
Age replacement
Maintenance models
Parallel system
Random replacements
Replacement costs
Replacement models
Replacement policy
Working times
Costs
العنوانReplacement policies for a parallel system with shortage and excess costs
النوعArticle
الصفحات89-95
رقم المجلد150
dc.accessType Abstract Only


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