Lyapunov based control of a six degree of freedom satellite testbed

Saulnier, Kelsey
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Bevilacqua, Riccardo
Julius, Anak Agung
Sanderson, A. C. (Arthur C.)
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Computer Systems engineering
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Attribution-NonCommercial-NoDerivs 3.0 United States
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The development of novel techniques for the guidance, navigation, and control of spacecraft is a necessary step in the effort to create new autonomous spacecraft. The costs of on-orbit testing can be mitigated by the use of on-the-ground simulators which allow for hardware-in-the-loop debugging. Air-bearing spacecraft simulators have been used widely for this purpose. This work presents the first full six degree of freedom simulator which relies solely on air bearing reduced friction motion to achieve all six degrees of freedom, thus making simulations better represent the final system than can be expected from systems with limited degrees of freedom or powered stages. The system utilizes ON-OFF thrusters and is designed for testing guidance, navigation, and control algorithms for small scale satellites which have been becoming increasingly popular in recent years. This system is used to validate a nonlinear six degrees of freedom control strategy for specifically for ON-OFF thrusters which is based in Lyapunov theory and designed for systems, such as small scale satellites, with limited computational power.
August 2013
School of Engineering
Dept. of Electrical, Computer, and Systems Engineering
Rensselaer Polytechnic Institute, Troy, NY
Rensselaer Theses and Dissertations Online Collection
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