Research Article
Development of a Representative EV Urban Driving Cycle Based on a k-Means and SVM Hybrid Clustering Algorithm
Table 11
Comparison of the characteristic parameter results.
| Characteristic parameters | Test data | k-means and SVM | k-means | FCM |
| Average speed (km/h) | 20.01 | 20.74 | 21.59 | 22.47 | Maximum speed (km/h) | 68.22 | 63.86 | 63.07 | 61.42 | Average acceleration (m/s2) | 0.76 | 0.78 | 0.69 | 0.74 | Average deceleration (m/s2) | 0.78 | 0.77 | 0.76 | 0.79 | Standard deviation of acceleration (m/s2) | 0.84 | 0.79 | 0.76 | 0.8 | Proportion of acceleration(%) | 34.5 | 32.9 | 36.0 | 38.33 | Proportion of deceleration(%) | 32.1 | 31.9 | 32.6 | 30.92 | Proportion of uniform speed(%) | 15.9 | 17.3 | 14.3 | 14.01 | Proportion of idling(%) | 17.5 | 17.9 | 17.1 | 16.74 | MRE (%) | - | 4.03 | 6.11 | 6.88 | RMSE (%) | - | 1.32 | 1.89 | 2.04 |
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