The possibility of maintaining a group of pico-satellites in a bounded formation, using very low power electric propulsion, is presented. A model predictive controller is used to develop a simple control scheme that avoids the need for on-line orbit determination. The control law, verified using a high fidelity propagator, is capable of maintaining a group of pico-satellites within a 1500 km region at an average ΔV of 2.5 m/s per month. In order to reduce the power requirements of the attitude and propulsion systems, a combined control is utilized. Attitude accuracy is shown to be better than 0.5°. The combined attitude orbit control and the simplicity of the control law provide important advantage for implementation in a pico-satellite with extremely limited resources.


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    Title :

    Pico-satellite orbit and attitude control by electric propulsion


    Contributors:


    Publication date :

    2014


    Size :

    6 Seiten, Bilder, Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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