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Wheelchair Size and Material Application in Human-machine System Model

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15 févr. 2021
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Fig. 1

Sitting body dimension.
Sitting body dimension.

Fig. 2

Horizontal dimension of human body.
Horizontal dimension of human body.

Fig. 3

Sitting gesture pressure distribution curve.
Sitting gesture pressure distribution curve.

Fig. 4

Tension and compression.
Tension and compression.

Fig. 5

Stressed cross section of rod member.
Stressed cross section of rod member.

Fig. 6

Torsional deformation of rod.
Torsional deformation of rod.

Fig. 7

Torsional deformation of rod.
Torsional deformation of rod.

Fig. 8

Bending deformation of rod.
Bending deformation of rod.

Fig. 9

Shear and bending moment diagram of main structure.
Shear and bending moment diagram of main structure.

Horizontal dimension of human body(part)_

Human body measurements Applications Choice of percentiles
Leg and foot height It is seat height from ground of critical dimensions. Selecting P95 F percentile data
Sitting depth Critical dimensions of seat is seat depth, which is back to be designed to make people naturally depend on back. Selecting P95 F percentile data
Sitting hip width It is to determine critical dimensions of seat width. Selecting P95 F percentile data

Sitting body dimension(part)_ (unit: mm)

Age groups
Male (age of 18–60) Male (age of 18–55)
Percentiles
Measurements
1 5 10 50 90 95 99 1 5 10 50 90 95 99
3.8 Leg and foot height 372 383 398 413 439 448 463 331 342 350 382 399 405 417
3.9 Sitting depth 407 421 429 457 486 495 510 388 401 408 433 461 469 485

Horizontal dimension of human body(part)_ (unit: mm)

Age groups
Male (age of 18–60) Male (age of 18–55)
Percentiles
Measurements
1 5 10 50 90 95 99 1 5 10 50 90 95 99
4.6 Sitting hip width 284 295 300 321 347 355 369 295 310 318 344 374 382 400