Optimal Control Scheme of the Tethered System for Orbital Transfer under a Constant Thrust

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijae/volume-2018/1572726/figures/1572726.fig.007a.svgz" name="1572726.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td>(a) Thrust direction angle γ</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijae/volume-2018/1572726/figures/1572726.fig.007b.svgz" name="1572726.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td>(b) Geocentric distance r</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijae/volume-2018/1572726/figures/1572726.fig.007c.svgz" name="1572726.fig.007c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td>(c) Tether length l</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/ijae/volume-2018/1572726/figures/1572726.fig.007d.svgz" name="1572726.fig.007d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td>(d) In-plane angle θ</td></tr><tr class="fig-image" id="e"><td><object data="https://static.hindawi.com/articles/ijae/volume-2018/1572726/figures/1572726.fig.007e.svgz" name="1572726.fig.007e" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td>(e) Tether tension T</td></tr></table>

<div>Time optimal control of the tethered system under mixed control.</div>

International Journal of Aerospace Engineering

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Figure 7

Figure 7: Optimal Control Scheme of the Tethered System for Orbital Transfer under a Constant Thrust 