| Article ID: | iaor200588 |
| Country: | United Kingdom |
| Volume: | 17 |
| Issue: | 2 |
| Start Page Number: | 235 |
| End Page Number: | 250 |
| Publication Date: | Apr 2003 |
| Journal: | Probability in the Engineering and Informational Sciences |
| Authors: | Dieulle L., Brenguer C., Grall A., Roussignol M. |
We consider a continuously monitored system that gradually and stochastically deteriorates. An alarm threshold is set on the system deterioration level for triggering a delayed preventive maintenance operation. A mathematical model is developed to find the value of the alarm threshold that minimizes the asymptotic unavailability. Approximations are derived to improve the numerical optimization.