An Open Access Journal
Table 6 Train acceleration validation based on V_TRAIN speed (Alternative 1)
From: Radio communication-based method for analysis of train driving in an ERTMS signaling environment
Date/train run | Speed standard dev σv (km/h) Speed based on V_TRAIN | Acceleration standard dev σa (m/s2) t = 6 s | Acceleration standard dev σa (m/s2) t = 12 s | Acceleration standard dev σa (m/s2) t = 18 s |
|---|---|---|---|---|
191031/7401 | 2.30 | 0.15 | 0.08 | 0.05 |
191031/7406 | 2.17 | 0.14 | 0.07 | 0.05 |
191031/7409 | 1.99 | 0.13 | 0.07 | 0.04 |
191101/7409 | 2.11 | 0.14 | 0.07 | 0.05 |
191101/7412 | 2.00 | 0.13 | 0.07 | 0.04 |
191112/7406 | 2.11 | 0.14 | 0.07 | 0.05 |
Pooled standard deviation, σa | 2.12 | 0.14 | 0.07 | 0.05 |
Acceleration dev, adev | – | ± 0.28 | ± 0.14 | ± 0.09 |