Fig 1.
High-speed train (CRH380) interior environment and seats.
Fig 2.
Seat size parameters (unit: Mm).
(a) Side view and (b) Front view.
Table 1.
Experimental protocol and sample information.
Fig 3.
Histogram of subject’s height and weight distribution.
(a) Height distribution (unit: mm) and (b) Weight distribution (unit: kg).
Table 2.
Basic information of participants in Program 2.
Fig 4.
Three views of eight cushion geometry designs (unit: Cm).
(a) Flat cushions and (b) Wrapped cushions.
Fig 5.
(a) Sanding (b) Gauze bandage.
Fig 6.
Eight kinds of contoured cushion production molding.
(a) Flat cushions and (b) Wrapped cushions.
Fig 7.
Schematic diagram of the body perception area below the test waist.
Fig 8.
7-point likert scales.
Fig 9.
Tekscan production pressure distribution measurement system.
(a) Pressure distribution test sensor and (b) Pressures measurement and display.
Fig 10.
The overall comfort rating score for eight cushion contours averaged over 97 participants, bars with the same letter superscript represent the significant difference (p<0.05).
Table 3.
Local body region comfort rating variables (values in parentheses indicate a standard error).
Fig 11.
Histogram of average flat cushion comfort scores for three kinds of stature.
Table 4.
Overall body region discomfort rating variables (values in parentheses indicate a standard error).
Fig 12.
Histogram of average flat cushion comfort scores for three kinds of stature.
Fig 13.
Statistical histogram of pressure distribution parameters of flat cushion under three kinds of stature.
(a) Average contact area under three kinds of stature, (b) Average contact pressure under three kinds of stature, and (c) Average peak contact pressure under three kinds of stature.
Fig 14.
Body-cushion contact pressure distribution cloud map.
Table 5.
Objective experimental test values at three stature under flat cushions (values in parentheses indicate a standard error).
Fig 15.
Statistical histogram of pressure distribution parameters of wrapped cushion under three kinds of stature.
(a) Average contact area under three kinds of stature, (b) Average contact pressure under three kinds of stature, and (c) Average peak contact pressure under three kinds of stature.
Table 6.
Objective experimental test values at three stature under wrapped cushions (values in parentheses indicate a standard error).
Table 7.
Subjective and objective evaluation index value on S8.
Table 8.
Pearson correlation coefficients of the subjective ratings and pressure variables.