On very rare occasions, in-flight emergencies have occurred that required the pilot to utilize the aircraft's capabilities to the fullest extent possible, sometimes using actuators in ways for which they were not intended. For instance, when flight control has been lost due to damage to the hydraulic systems, pilots have had to use engine thrust to maneuver the plane to the ground and in for a landing. To assist the pilot in these situations, research is being performed to enhance the engine operation by making it more responsive or able to generate more thrust. Enabled by modification of the propulsion control, enhanced engine operation can increase the probability of a safe landing during an inflight emergency. However, enhanced engine operation introduces risk as the nominal control limits, such as those on shaft speed, temperature, and acceleration, are exceeded. Therefore, an on-line tool for quantifying this risk must be developed to ensure that the use of an enhanced control mode does not actually increase the overall danger to the aircraft. This paper describes an architecture for the implementation of this tool. It describes the type of data and algorithms required and the information flow, and how the risk based on engine component lifing and operability for enhanced operation is determined.


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    Titel :

    A Risk Assessment Architecture for Enhanced Engine Operation


    Beteiligte:
    Litt, Jonathan S. (Autor:in) / Sharp. Lauren M. (Autor:in) / Guo, Ten-Huei (Autor:in)

    Kongress:

    Infotech@Aerospace 2010 Conference ; 2010 ; Atlanta, GA, United States


    Erscheinungsdatum :

    2010-07-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




    A Risk Assessment Architecture for Enhanced Engine Operation

    Litt, Jonathan / Sharp, Lauren / Guo, Ten-Huei | AIAA | 2010


    A Risk Assessment Architecture for Enhanced Engine Operation

    Litt, J. / Sharp, L. / Guo, T. et al. | British Library Conference Proceedings | 2010




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