Analysis and Optimisation of Ride Vibration of a Heavy-Duty Truck Based on a Vertical-Pitch-Roll Driver-Vehicle Coupled Dynamic Model

Table 1

Comparison of vibrations r.m.s. at cab and carriage of 15-, 16- and 17-DOF models.

Position	Direction	15-DOF (m/s^2)	16-DOF (m/s^2)	17-DOF
Cab	Vertical	1.05	0.84	0.75
	Roll	0.68	0.38	0.38
	Pitch	1.40	1.56	1.86
Carriage	Vertical	1.56	1.40	1.26
	Roll	11.68	3.57	3.57
	Pitch	2.03	1.78	1.45