A Novel Two-Stage Adaptive Filtering Model-Based GNSS/INS Tightly Coupled Precise Relative Navigation Algorithm for Autonomous Aerial Refueling

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Schemes</td><td class="align_center">Data 1</td><td class="align_center">Data 2</td><td class="align_center">Data 3</td><td class="align_center">Data 4</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">WLS</td><td class="align_center">57.5</td><td class="align_center">43.6</td><td class="align_center">—</td><td class="align_center">—</td></tr><tr><td class="align_left">EKF</td><td class="align_center">88.1</td><td class="align_center">73.7</td><td class="align_center">84.0</td><td class="align_center">81.1</td></tr><tr><td class="align_left">IEKF</td><td class="align_center">94.4</td><td class="align_center">81.3</td><td class="align_center">87.5</td><td class="align_center">84.2</td></tr><tr><td class="align_left">IBRKF</td><td class="align_center">—</td><td class="align_center">94.6</td><td class="align_center">89.2</td><td class="align_center">87.9</td></tr><tr><td class="align_left">IBRCAF</td><td class="align_center">—</td><td class="align_center">—</td><td class="align_center">93.7</td><td class="align_center">93.8</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>“—” means no use of the algorithm for the data.<br/></div></td></tr></table>

<div>The success rates of various algorithms for Data 1–4.</div>

International Journal of Aerospace Engineering

tab2

Table 2

Table 2: A Novel Two-Stage Adaptive Filtering Model-Based GNSS/INS Tightly Coupled Precise Relative Navigation Algorithm for Autonomous Aerial Refueling 

Table 2 | A Novel Two-Stage Adaptive Filtering Model-Based GNSS/INS Tightly Coupled Precise Relative Navigation Algorithm for Autonomous Aerial Refueling 