Research Article
Tristage Bargaining Dynamic Game-Based Preventive Maintenance for Electric Multiple Unit
Table 1
Scoring criteria for failure effect on operation safety.
| Serial number | Severity | Score |
| 1 | General failure | 1–2 | 2 | Dangerous failure | 3–4 | 3 | Big failure | 5–6 | 4 | Major failure | 7–8 | 5 | Particularly significant failure | 9–10 |
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