Operating Comfort Prediction Model of Human-Machine Interface Layout for Cabin Based on GEP

Table 1

Divide the ROM of joints (°).

Parts of the body	Mode of activity	DOF	Comfortable range	Less comfortable range	Uncomfortable range
Head	Flexion (+)/extension (−)	DOF 1	0~12	−5~0, 12~20	−20~−5, 20~25
	Lateral left (+)/lateral right (−)	DOF 2	−5~5	−10~−5, 5~10	−20~−10, 10~20
	Rotation right (+)/rotation left (−)	DOF 3	−25~25	−35~−25, 25~35	−75~−35, 35~70
Chest	Flexion (+)/extension (−)	DOF 1	−10~10	10~15	—
	Lateral left (+)/lateral right (−)	DOF 2	−5~5	−10~−5, 5~10	−20~−10, 10~20
	Rotation right (+)/rotation left (−)	DOF 3	−10~10	−20~−10, 10~20	−70~−20, 20~70
Waist	Flexion (+)/extension (−)	DOF 1	−5~10	−10~−5, 10~20	20~40
	Lateral left (+)/lateral right (−)	DOF 2	−5~5	−10~−5, 5~10	—
	Rotation right (+)/rotation left (−)	DOF 3	−5~5	−10~−5, 5~10	—
Shoulder	Flexion (+)/extension (−)	DOF 1	−2~2	−5~−2, 2~5	−8~−5, 5~20
	Elevation (+)/depression (−)	DOF 2	−3~10	10~20	−8~−3, 20~53
Upper arm	Flexion (+)/extension (−)	DOF 1	−5~35	−20~−5, 35~90	−60~−20, 90~170
	Abduction (+)/adduction (−)	DOF 2	−5~25	−10~−5, 25~60	−18~−10, 60~80
	Medical rotation (+)/lateral rotation (−)	DOF 3	−5~5	−10~−5, 5~15	−20~−10, 15~97
Forearm	Flexion (+)/extension (−)	DOF 1	80~110	0~80, 110~115	115~140
	Pronation (+)/supination (−)	DOF 2	0~80	80~90	90~160