Design and Simulation of a Railway Vehicle for the Transport of People with Reduced Mobility

Table 8

Limit values of the ISO coefficient (taken from [20]).

r.m.s. vibration level	Perception
Less than 0.315 m/s^2	Not uncomfortable
0.315 m/s^2 to 0.63 m/s^2	A little uncomfortable
0.5 m/s^2 to 1 m/s^2	Fairly uncomfortable
0.8 m/s^2 to 1.6 m/s^2	Uncomfortable
1.25 m/s^2 to 2.5 m/s^2	Very uncomfortable
Greater than 2 m/s^2	Extremely uncomfortable