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High-Precision Spacecraft Attitude and Manoeuvre Control Using Electric Propulsion


T.D. Krøvel, F. Dörfler, M. Berger, J.M. Rieber

International Astronautical Congress, Seoul, Korea

A novel actuation concept for high-precision three-axis attitude control and attitude manoeuvres is presented in this paper. The feasibility of a wheel-less control system based on electrical propulsion using high-efficiency multistage plasma thrusters is investigated, considering stringent pointing performance and accommodation requirements. Potential advantages of such a design are high accuracy, outage period reduction, low micro-vibration levels, and mass reduction. Different configurations to reach these goals are studied. Moreover, new thruster performance models and new actuation algorithms are described. Simulation results demonstrate the achievable pointing and manoeuvre performances. The future geo-stationary earth observation mission Geo-Oculus including its system-level aspects is considered as a reference mission.


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% Autogenerated BibTeX entry
@InProceedings { Kr_Etal:2009:IFA_4922,
    author={T.D. Krøvel and F. D{\"o}rfler and M. Berger and J.M. Rieber},
    title={{High-Precision Spacecraft Attitude and Manoeuvre Control
	  Using Electric Propulsion}},
    booktitle={International Astronautical Congress},
    address={Seoul, Korea},
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