Reentry Trajectory Optimization Based on a Multistage Pseudospectral Method

<table class="table-group" id="tab8"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td align="left">Stage</td><td align="center">Stage 1</td><td align="center">Stage 2</td><td align="center">Stage 3</td><td align="center">Stage 4</td><td align="center">Stage 5</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td align="left"><svg height="18.75" id="M162" style="vertical-align:-5.04861pt" version="1.1" viewbox="0 0 40.587502 18.75" width="40.587502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> (s)</td><td align="center">21.9</td><td align="center">17.0</td><td align="center">24.7</td><td align="center">15.5</td><td align="center">17.8</td></tr><tr><td align="left"><svg height="15.8375" id="M163" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 39.537498 15.8375" width="39.537498" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> (s)</td><td align="center">17.0</td><td align="center">14.7</td><td align="center">16.2</td><td align="center">14.0</td><td align="center">—</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Computation time in each stage (Case  2).

The Scientific World Journal

tab8

Table 8

Table 8: Reentry Trajectory Optimization Based on a Multistage Pseudospectral Method 