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/s^2)	0.76	0.78	0.69	0.74
Average deceleration (m/s^2)	0.78	0.77	0.76	0.79
Standard deviation of acceleration (m/s^2)	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