Several modern aircraft use a passive control manipulator: a spring–damper system that generates command signals to the flight control computers in combination with a flight envelope protection system that limits pilot inputs when approaching the aircraft limits. This research project aims to increase pilot awareness of this protection system through the use of force feedback on the control device, that is, haptics. This paper describes in detail how the haptic feedback works and when it triggers; another paper will discuss the results of an experimental evaluation. With the current haptic design, pilots can get five cues: first, a discrete force cue when approaching the limits; second, an increased spring coefficient for control deflections that bring the aircraft closer to its limits; third, a stick shaker for low velocities; fourth, if a low-velocity condition requires an input, the stick is moved forward to the desired control input; and finally, the stick follows the automatic Airbus “pitch-up” command during an overspeed condition. This novel system is expected to help pilots correctly assess the situation and decide upon the right control action. It will be evaluated in two scenarios close to the flight envelope limits: a windshear and an icing event.


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    Titel :

    Design of a Haptic Feedback System for Flight Envelope Protection


    Beteiligte:
    Van Baelen, Dirk (Autor:in) / Ellerbroek, Joost (Autor:in) / Mulder, Max (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.04.2020




    Medientyp :

    Aufsatz (Konferenz) , Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Design of a Haptic Feedback System for Flight Envelope Protection

    Van Baelen, Dirk / Ellerbroek, Joost / van Paassen, Marinus et al. | AIAA | 2018


    Evaluation of a Haptic Feedback System for Flight Envelope Protection

    Van Baelen, Dirk / Ellerbroek, Joost / van Paassen, Marinus M. et al. | AIAA | 2019


    Design of a Haptic Feedback System for Flight Envelope Protection (AIAA 2018-0117)

    Van Baelen, Dirk / Ellerbroek, Joost / van Paassen, Marinus et al. | British Library Conference Proceedings | 2018


    Supplementing Haptic Feedback in Flight Envelope Protection Through Visual Display Indications

    de Rooij, Gijs / Van Baelen, Dirk / Borst, Clark et al. | AIAA | 2023


    Supplementing Haptic Feedback Through the Visual Display of Flight Envelope Boundaries

    de Rooij, Gijs / Van Baelen, Dirk / Borst, Clark et al. | AIAA | 2020