In Situ Measurement of Discomfort Curves for Seated Subjects in a Car on the Four-Post Rig

Figure 5

Discomfort index as a function of seat-occupant r.m.s acceleration level at 5 Hz for a participant. (a) Heave mode of input, (b) pitch mode of input, and (c) roll mode of input.

(a)

(b)

(c)