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

Table 3

Comparison of driver weighted acceleration r.m.s. before and after optimisation.

Speed (km/h)	Origin (m/s^2)	Optimised (m/s^2)	Variation
40	0.430	0.296	−31.2%
50	0.431	0.298	^−30.9%
60	0.415	0.312	^−24.8%
70	0.493	0.368	^−25.4%
80	0.554	0.404	^−27.1%