Control by damping Injection of Electrodynamic Tether System in an Inclined Orbit

Martin Birkelund Larsen, Mogens Blanke

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Control of a satellite system with an electrodynamic tether as actuator is a time-periodic and underactuated control problem. This paper considers the tethered satellite in a Hamiltonian framework and determines a port-controlled Hamiltonian formulation that adequately describes the nonlinear dynamical system. Based on this model, a nonlinear controller is designed that will make the system asymptotically stable around its open-loop equilibrium. The control scheme handles the time-varying nature of the system in a suitable manner resulting in a large operational region. The performance of the closed loop system is treated using Floquet theory, investigating the closed loop properties for their dependency of the controller gain and orbit inclination.
Original languageEnglish
Title of host publicationAmerican Control Conference : ACC '09
Publication date2009
Publication statusPublished - 2009
EventAmerical Control Conference 2009 - Sct. Louis, MO, United States
Duration: 10 Jun 200912 Jun 2009


ConferenceAmerical Control Conference 2009
Country/TerritoryUnited States
CitySct. Louis, MO
Internet address

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