Article ID: | iaor200973290 |
Volume: | 39 |
Issue: | 6 |
Start Page Number: | 655 |
End Page Number: | 664 |
Publication Date: | Jun 2008 |
Journal: | International Journal of Systems Science |
Authors: | Xu Houbao, Hu Weiwei |
Keywords: | preventative maintenance |
This article investigates optimal steady availability of a repairable system with six states. Both preventive maintenance and corrective maintenance are considered in this article. By probability argument, the system is described as an abstract Cauchy problem. Using the method of strong continuous semi-group theory, we derive the steady availability of the system. Finally, the optimal time to carry out preventive maintenance is analysed theoretically and numerical examples are presented.