High-Precision Dynamics Characteristic Modeling Method Research considering the Influence Factors of Hydropneumatic Suspension

Table 8

Stiffness force validation.

No.	V ()	D	T (°C)	U ()	Simulation ()	Prediction		Relative error (%)
						Kriging model ()	Response surface model ()	Kriging model	Response surface model
1	−1	0.027	50	0.0288	605.32	604.85	605.96	0.08	−0.11
2	−1	0.05	46	0.0338	587.35	589.83	609.08	−0.42	−0.55
3	−0.6	0.09	32	0.0408	591.80	591.98	590.87	−0.03	0.16
4	−0.6	0.03	50	0.0288	590.73	592.89	593.69	−0.36	−0.50
5	−0.5	0.05	40	0.0457	587.35	589.83	589.96	−0.42	−0.44
6	−0.3	0.036	52	0.0258	580.15	580.54	580.96	−0.07	−0.14
7	0.6	0.05	60	0.0209	550.15	547.65	556.30	0.46	−1.12
8	0.8	0.07	45	0.0358	543.20	539.25	538.64	0.73	0.84
9	0.9	0.05	46	0.0338	540.71	537.05	536.05	0.68	0.86
10	1	0.056	46	0.0338	537.61	535.46	539.87	0.4	−0.42