Accurate Integrated Navigation Method Based on Medium Precision Strapdown Inertial Navigation System

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Integrated navigation mode</td><td class="align_center">Heading accuracy</td><td class="align_center">Horizontal attitude accuracy</td><td class="align_center">Horizontal velocity accuracy</td><td class="align_center">Vertical velocity accuracy</td><td class="align_center">Position accuracy</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">SINS/GNSS/star sensor</td><td class="align_center">±1.5′</td><td class="align_center">±0.9′</td><td class="align_center">±0.05 m/s</td><td class="align_center">±0.03 m/s</td><td class="align_center">±3.8 m</td></tr><tr><td class="align_left">SINS/GNSS</td><td class="align_center">±4.1′</td><td class="align_center">±1.7′</td><td class="align_center">±0.11 m/s</td><td class="align_center">±0.06 m/s</td><td class="align_center">±4.5 m</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of simulation results of SINS/GNSS/star sensor and SINS/GNSS-integrated navigation.</div>

Mathematical Problems in Engineering

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Table 1: Accurate Integrated Navigation Method Based on Medium Precision Strapdown Inertial Navigation System 