MDBF of subsystem grading table
| Subsystem | MTBF/km | SCOREi |
|---|---|---|
| Traction | 1800000 | 0.2 |
| Braking | 1020000 | 0.2 |
| Running gear | 15000000 | 0.2 |
| Pantograph | 4620000 | 0.1 |
| Vehicle door | 1020000 | 0.1 |
| Air-conditioning | 2340000 | 0.1 |
| Auxiliary | 1800000 | 0.1 |
| Subsystem | MTBF/km | SCOREi |
|---|---|---|
| Traction | 1800000 | 0.2 |
| Braking | 1020000 | 0.2 |
| Running gear | 15000000 | 0.2 |
| Pantograph | 4620000 | 0.1 |
| Vehicle door | 1020000 | 0.1 |
| Air-conditioning | 2340000 | 0.1 |
| Auxiliary | 1800000 | 0.1 |
Source(s): Authors’ own work
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