Research Article
PSO Based Optimization of Testing and Maintenance Cost in NPPs
Table 2
Meanings of the notations in (
6).
| Notation | Meanings |
| | Unavailability caused by testing | | Unavailability caused by preventive maintenance | | Unavailability caused by corrective maintenance | | The rate of testing events | | The rate of preventive maintenance events | | The rate of corrective maintenance events | | Mean time of testing | | Mean time of preventive maintenance | | Mean downtime of corrective maintenance | | Fraction of the total time t with the component down | | Fraction of the total time with the component down |
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