Research Article
A Fast Diagnosis Method of Escalator Reversal Faults Based on Dynamic Information and Multiattribute Decision-Making
Table 2
Dynamic information obtained.
| | Maintenance position | Dynamic information |
| | Gearbox | Motor vibration | Motor temperature | Host position shift | The amount of brake compression spring | | Brake arm movement distance | Damaged protection device | Drive chain wear | — |
| | Brake | Motor vibration | Motor temperature | Host position shift | Gearbox vibration | | Drive chain wear | Damaged protection device | — | — |
| | Electric motor | The amount of brake compression spring | Brake arm movement distance | Host position shift | Gearbox vibration | | Drive chain wear | Damaged protection device | — | — |
| | Drive chain | Motor vibration | Motor temperature | Host position shift | The amount of brake compression spring | | Brake arm movement distance | Gearbox vibration | Damaged protection device | Drive chain wear |
| | Rung chain | Drive chain wear | Damaged protection device | — | — |
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