Research Article
Damage Degree Detection of Cracks in a Locomotive Gear Transmission System
Table 6
Indicators of the vertical acceleration of car body vibration under each damage states.
| | 0 mm | 0.5 mm | 1 mm | 1.5 mm | 2 mm | 2.5 mm | 3 mm | 3.5 mm | 4 mm | 4.5 mm | 5 mm |
| Kurtosis | 1.5097 | 1.5102 | 1.5131 | 1.5204 | 1.5345 | 1.5569 | 1.5898 | 1.6333 | 1.6893 | 1.7553 | 1.8268 | FM4 | 1.5002 | 1.5002 | 1.5003 | 1.5006 | 1.5012 | 1.5021 | 1.5036 | 1.5056 | 1.5084 | 1.5120 | 1.5165 | rms | 6.72e − 4 | 6.72e − 4 | 6.72e − 4 | 6.73e − 4 | 6.74e − 4 | 6.76e − 4 | 6.80e − 4 | 6.85e − 4 | 6.92e − 4 | 7.01e − 4 | 7.12e − 4 | Sα | 1.6521 | 1.6525 | 1.6549 | 1.6614 | 1.6737 | 1.6931 | 1.7217 | 1.7606 | 1.8130 | 1.8792 | 1.9558 | Sr | 1.2033 | 1.2035 | 1.2043 | 1.2065 | 1.2108 | 1.2175 | 1.2275 | 1.2407 | 1.2578 | 1.2781 | 1.3003 |
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