Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8053101 | Applied Mathematical Modelling | 2013 | 10 Pages |
Abstract
This paper presents a replacement model with age-dependent failure type based on a cumulative repair-cost limit policy, whose concept uses the information of all repair costs to decide whether the system is repaired or replaced. As failures occur, the system experiences one of the two types of failures: a type-I failure (minor), rectified by a minimal repair; or a type-II failure (catastrophic) that calls for a replacement. A critical type-I failure means a minor failure at which the accumulated repair cost exceeds the pre-determined limit for the first time. The system is replaced at the nth type-I failure, or at a critical type-I failure, or at first type-II failure, whichever occurs first. The optimal number of minimal repairs before replacement which minimizes the mean cost rate is derived and studied in terms of its existence and uniqueness. Several classical models in maintenance literature are special cases of our model.
Related Topics
Physical Sciences and Engineering
Engineering
Computational Mechanics
Authors
Chin-Chih Chang, Shey-Huei Sheu, Yen-Luan Chen,