Vibration-Based Damage Identification and Condition Monitoring of Metro Trains: Warsaw Metro Case Study

Table 4

Results for envelope max WODL, for selected trains metro.

Number	Train number	Trend equation		Increase WODL/week [%]
1	17		0.9309	1.5
2	18		0.9485	2.0
3	19		0.9719	1.4
4	20		0.9228	1.5
5	24		0.9600	1.7
6	25		0.9267	1.0
7	28		0.9811	1.9