Fig 1.
Comfort survey results of different roads.
Fig 2.
Comfort survey results of different parts of the human body.
Fig 3.
The modeling process of simulation model.
a, Human body model. b, Vehicle model. c, Road model. d, Human-vehicle-road coupling model.
Fig 4.
Human body vibration test.
Fig 5.
The comparison results on uneven road.
a, Data of the point 1. b, Data of the point 2. c, Data of the point 3.
Fig 6.
The comparison results of single speed bump.
a, Data of the point 1. b, Data of the point 2. c, Data of the point 3.
Fig 7.
Comparison of frequency domain data.
a, Uneven road. b, Single speed bump.
Fig 8.
The vibration distribution of human body on flat pavement.
Fig 9.
The vibration distribution of human body on bumpy road.
Fig 10.
The distribution of human body vibration passing a single speed bump.
Fig 11.
The distribution of human vibration passing continuous speed bumps.
Fig 12.
a, Vibration transmission model. b, Force model.
Table 1.
Parameters of the system.
Fig 13.
Vibration damping device of a stretcher bed.
a, Structure of the device. b, Parameters of the device. c, Arrangement position of the device.
Fig 14.
Comparison of head vibration.
Fig 15.
Comparison of sacrococcygeal region vibration.