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    Uncertainty in Inverted Pendulum Thrust Measurements

    Uncertainty in Inverted Pendulum Thrust Measurements


    An uncertainty analysis of a common configuration of electric propulsion thrust stand is presented. The analysis applies to inverted pendulum thrust stands operating in a null-coil configuration with in-situ calibration. Several sources of bias and precision uncertainty are discussed, propagated, and combined to form conservative estimates of the relative and absolute thrust uncertainties. A case study of the NASA Glenn Research Center Vacuum Facility 6 thrust stand is presented. For the thruster investigated, the uncertainty was estimated to be ±6.9mN over the entire span of thrust. This uncertainty represents a maximum instrument bias introduced by the thrust stand. The paper does not address repeatability of actual thrust measurements, as this is generally beyond the influence of the thrust stand and can be dependent on a large number of factors.

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    Titel :

    Uncertainty in Inverted Pendulum Thrust Measurements

    Beteiligte:
    Mackey, Jonathan A. (Autor:in) / Haag, Thomas W. (Autor:in) / Kamhawi, Hani (Autor:in) / Hall, Scott J. (Autor:in) / Peterson, Peter Y. (Autor:in)
    Kongress:

    AIAA/SAE/ASEE Joint Propulsion Conference ; 2018 ; Cincinnati, OH, United States

    Erscheinungsdatum :

    2018-07-09

    Medientyp :

    Aufsatz (Konferenz)

    Format :

    Keine Angabe

    Sprache :

    Englisch

    Schlagwörter :

    Spacecraft Propulsion And Power

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