Optimization of the Vibrational Comfort of Passenger Vehicles through Improvement of Suspension and Engine Rubber Mounting Setups

Table 4

Description of the peak values of vibration amplitudes and critical frequencies.

Point or effect	1st Ride rubber NP	2nd Ride rubber NP	2nd Ride proposed rubber
Front wheel rub	0.26 g @ 14.25 Hz	0.28 g @ 13.50 Hz	0.27 g @ 14.00 Hz
Rear wheel rub	0.26 g @ 16.75 Hz	0.33 g @ 15.25 Hz	0.31 g @ 15.50 Hz
Front shock absorber	0.07 g @ 11.5 Hz	0.07 g @ 11.00 Hz	0.04 g @ 10.75 Hz
Rear shock absorber	0.05 g @ 2.25 Hz	0.06 g @ 1.75 Hz	0.06 g @ 2.00 Hz
Engine rubber mounting	0.17 g @ 11.00 Hz	0.15 g @ 10.75 Hz	0.12 g @ 10.25 Hz
Transmission rubber mounting	0.08 @ 10.75 Hz	0.09 @ 10.75 Hz	0.06 g @ 15.75 Hz
Dead pedal	0.05 @ 11.00 Hz	0.05 @ 11.00 Hz	0.03 @ 10.75 Hz
Seat rail	0.03 @ 1.50 Hz	0.04 @ 1.50 Hz	0.03 @ 1.50 Hz
Engine shake	0.0012 g @ 11.75 Hz	0.0011 g @ 11.50 Hz	0.0005 g @ 11.00 Hz