The Cluster fleet was launched in 2000 to investigate the magnetic interaction between Sun and Earth. Originally planned to last until beginning of 2003, the mission is now approved until end 2009. The Silver Cadmium batteries of the four spacecraft are well beyond their design life and some have started to fail. To keep the batteries operational as long as possible and to respond to their performance degradation, the way of operating the 20 batteries has evolved drastically over the years. This paper is presenting the evolution of the batteries through the eight years of mission, including the anomalies that characterize their end of life. Significant details are given about the evolution of the Battery management strategy inside and outside eclipse season. Finally, the impact of the battery capacity degradation on the eclipse operations is addressed.


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    Titel :

    Cluster spacecraft batteries through the 2nd mission extension


    Weitere Titelangaben:

    Die Cluster-Raumfahrzeug-Batterien während der zweiten Verlängerung der Mission


    Beteiligte:
    Sangiorgi, S. (Autor:in) / Servan, P. (Autor:in) / Schautz, M. (Autor:in) / Volpp, J. (Autor:in)


    Erscheinungsdatum :

    2008


    Format / Umfang :

    10 Seiten, 5 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Datenträger


    Sprache :

    Englisch




    Cluster Spacecraft Batteries through the 2^n^d Mission Extension

    Sangiorgi, S. / Servan, P. / Schautz, M. et al. | British Library Conference Proceedings | 2008


    Strategy for Spacecraft Performance and Mission Extension

    Canela, M. / Vogel, P. / Lorza-Pitt, R. et al. | British Library Conference Proceedings | 2010


    Nursing 4 Cluster Spacecraft with Aging Batteries Through Eclipses

    Volpp, Hans-Jürgen / Godfrey, James / Foley, Steve et al. | AIAA | 2008


    Multi-Spacecraft Mission Operations: The Cluster Experience

    Ferri, P. / Matussi, S. / European Space Agency et al. | British Library Conference Proceedings | 1996


    Multi-spacecraft Mission Operations: The Cluster Experience

    Ferri, P. / Matussi, S. | British Library Online Contents | 1996