Biomedical Engineering Reference
In-Depth Information
J
2
Wheelchair
J
3
Knees
0.3
0.4
0.3
0.2
0.2
0.1
0.1
0.0
0.0
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12345
J
4
Head
J
5
Head
0.8
0.5
0.4
0.6
0.3
0.4
0.2
0.2
0.1
0.0
0.0
12345
12345
J
6
Lower Torso
J
7
Head
1.0
2.0
0.8
1.5
0.6
1.0
0.4
0.5
0.2
0.0
0.0
12345
12345
J
8
Head
J
9
Thorax
1.0
100
0.8
75
0.6
50
0.4
25
0.2
0.0
0
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12345
FIGURE 8.4
Response criteria
J
2
-
J
9
for wheelchair attached to vehicle body and
wheelchair attached to isolated platform.
platform can be regarded as a system with a platform rigidly attached
to the vehicle. In this case, the deceleration pulse applied to the plat-
form coincides with the crash pulse of the vehicle. For the shock-isolated
platform, use the deceleration pulses of Eqs. (8.13) and (8.14) that are opti-
mal for the single-degree-of-freedom system considered in Section 8.2. For
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