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

Table 7

Damping 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	52.44	51.13	53.98	2.49	−2.93
2	−1	0.05	46	0.0338	52.24	51.44	51.19	1.54	2.02
3	−0.6	0.09	32	0.0408	19.79	20.30	19.06	−2.54	3.71
4	−0.6	0.03	50	0.0288	19.93	19.42	19.32	2.56	3.08
5	−0.5	0.05	40	0.0457	14.33	14.41	14.15	−0.54	1.31
6	−0.3	0.036	52	0.0258	5.65	5.54	4.81	1.9	14.87
7	0.6	0.05	60	0.0209	−136.20	−135.70	−138.19	0.37	−1.46
8	0.8	0.07	45	0.0358	−240.95	−237.86	−237.71	1.29	1.35
9	0.9	0.05	46	0.0338	−301.90	−304.48	−298.34	−0.85	1.18
10	1	0.056	46	0.0338	−366.77	−371.06	−372.66	−1.17	−1.61