Design and Analysis of a Rigid-Flexible Parallel Mechanism for a Neck Brace

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Mode</td><td class="align_center">The first</td><td class="align_center">The second</td><td class="align_center">The third</td><td class="align_center">The fourth</td><td class="align_center">The fifth</td><td class="align_center">The sixth</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Natural frequency (Hz)</td><td class="align_center">315.6</td><td class="align_center">1137.0</td><td class="align_center">1511.1</td><td class="align_center">3191.3</td><td class="align_center">4302.9</td><td class="align_center">5979.9</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The first six-order natural frequency of the X-shaped compliant joint.</div>

Mathematical Problems in Engineering

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Table 3

Table 3: Design and Analysis of a Rigid-Flexible Parallel Mechanism for a Neck Brace 