... in terms of virtual age and t c − is the time of the immediately preceding event. For intervals ending in a PM or right–censoring, the contribution is the survival term: Preventive maintenance Imperfect maintenance Maintenance optimization Failure rate function...

... interval. Condition maintenance Optimal maintenance policy Imperfect preventive Environmental degradation Failure rate function Nomenclature a i Life reduction factors b i Failure rate growth factors T l i f e Total life of system i...

... failure of engine components. The work, which was expanded by Al-Wadiee (2011) showed significant improvement over the traditional Weibull model results. Both work, however, did not deal with utilization of the predicted results. Neural network Maintenance strategies Weibull analysis Failure rate...