论文信息 - Nonlinear feedback deployment and retrieval of tethered satellite systems

Nonlinear feedback deployment and retrieval of tethered satellite systems

The Lyapunov approach for controller design is applied to the tethered subsatellite deployment and retrieval problem. The tether dynamic model includes tether mass as well as in-plane and out-of-plane librations. The nonlinear feedback tension control law developed guarantees stability of the closed-loop system and is used in combination with out-of-plane thrusting during retrieval. Simulation results show the tension and the combined tension and thruster control laws perform well for deployment and retrieval, respectively, even when aerodynamic drag is considered.

Srinivas R. Vadali | Euisok Kim

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