Articulated Arm Coordinate Measuring Machine Calibration by Laser Tracker Multilateration

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="center" colspan="2">Distance error (mm)</td><td align="center" colspan="2">2<svg height="8.3000002" id="M96" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 9.7250004 8.3000002" width="9.7250004" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,8.038)"><path d="M548 455q-32 -77 -74 -77q-37 0 -103 10l-3 -2q36 -30 48.5 -62t12.5 -80q0 -103 -75 -179.5t-175 -76.5q-70 0 -113 45t-43 128q0 115 83.5 200.5t209.5 85.5q31 0 77.5 -4t67.5 -4q36 0 62 30zM350 274q0 54 -17 86q-19 35 -57 35q-50 0 -90 -37.5t-59 -91.5t-19 -109
q0 -61 24.5 -96.5t65.5 -35.5q51 0 87.5 46.5t50.5 100.5t14 102z" id="x1D70E"></path></g>
</svg> by retroreflector point (mm)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Maximum</td><td align="center">38.50723</td><td align="center">Maximum</td><td align="center">22.00413</td></tr><tr><td align="left">Causing dist.</td><td align="center">4–10</td><td align="center">Causing point</td><td align="center">17</td></tr><tr><td align="left">Medium</td><td align="center">17.28859</td><td align="center">Causing coord.</td><td align="center">X</td></tr><tr><td align="left"> </td><td align="center"> </td><td align="center">Medium</td><td align="center">8.17533</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Quality indicators for the initial values of model parameters over 21 SMR locations (105 AACMM positions).

The Scientific World Journal

tab3

Table 3

Table 3: Articulated Arm Coordinate Measuring Machine Calibration by Laser Tracker Multilateration 