Effect of East Gyro Drift and Initial Azimuth Error on the Compass Azimuth Alignment Convergence Time

<table class="table-group" id="tab8"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left"><i>T</i><sub><i>d</i></sub> (s)</td><td class="align_center">200</td><td class="align_center">300</td><td class="align_center">400</td><td class="align_center">500</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Convergence time (s)</td><td class="align_center">279</td><td class="align_center">419</td><td class="align_center">559</td><td class="align_center">699</td></tr><tr><td class="align_left">Ratio</td><td class="align_center">1.4</td><td class="align_center">1.4</td><td class="align_center">1.4</td><td class="align_center">1.4</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Convergence times for different <i>T</i><sub><i>d</i></sub> with a 0.05°/h gyro drift and a 5° initial azimuth misalignment.</div>

Mathematical Problems in Engineering

tab8

Table 8

Table 8: Effect of East Gyro Drift and Initial Azimuth Error on the Compass Azimuth Alignment Convergence Time 