Research of Vehicle Rear-End Collision Model considering Multiple Factors

Table 3

Corresponding relationship between different tire patterns and adhesion coefficient under main influencing factors.

Tire pattern	No	Tire pressure (kPa)	Speed (km/h)	Road condition	Adhesion coefficient
Ordinary pattern	1	0.90	238	90	1.02
	2	0.90	238	75	1.13
	3	0.75	180	60	0.94
	4	0.75	180	45	0.92
	…	…	…	…	…
	108	0.10	112	60	0.16
Cross-country pattern	1	0.90	238	40	0.98
	2	0.90	198	40	1.01
	3	0.75	180	75	0.95
	4	0.75	160	75	0.82
	…	…	…	…	…
	106	0.10	238	90	0.14
Mixed pattern	1	0.90	238	40	1.02
	2	0.90	198	40	1.03
	3	0.75	180	75	0.92
	4	0.75	160	75	0.89
	…	…	…	…	…
	108	0.10	238	90	0.12