Online Classification of Road Roughness Conditions with Vehicle Unsprung Mass Acceleration by Sliding Time Window

Table 3

Error times of road roughness classification at different roughness sections in percentage.

Gq(n0) × 10^−6 m^3, geometric average	Underestimate %	Overestimate %
16	0.10	0
23	0.00	0.18
32	0.05	0.29
45	0.03	0.22
64	0.11	0.22
91	0.05	0.21
128	0.08	0.18
181	0.08	0.24
256	0.07	0.17
362	0.05	0.17
512	0.00	0.23
724	0.13	0.18
1024	0.03	0.19
1448	0.09	0.17
2048	0.04	0.21
2896	0.00	0.18
4096	0.06	0.15