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

Figure 8

Time responses of the tethered system under mixed control.

(a) Thrust direction angle γ

(b) Geocentric distance r

(c) Tether length l

(d) Tether length l (enlarged view)

(e) In-plane angle θ

(f) Tether tension T