AbstractThe paper presents a new approach to the quantification of simulation fidelity based on an analysis of pilot guidance strategy. The manoeuvre guidance portrait is conceived as the solution to a low-order equivalent system and to properly allow for pilot adaptation to changing cues and task demands, the model parameters are allowed to vary. Thus the concept of the Adaptive Pilot Model (APM) is proposed and developed. The theoretical foundation to the concept is developed using the familiar spatial variables in flight control, such as distance and speed. Motion is then transformed into temporal variables and drawing on the theory of τ ( t ) -coupling from visual flow theory ( τ ( t ) is the instantaneous time to contact) the APM model is transformed into a much simpler algebraic relationship when the pilot maintains constant τ ˙ during a deceleration. If we make assumptions about the separation of guidance and stabilisation control strategy, pilot guidance feedback gains are then closely related to the frequency and damping of the APM structure. Results are presented from the analysis of simulation trials with pilots flying an acceleration-deceleration manoeuvre that show strong correlation with the τ ( t ) -based guidance strategy. The interpretation of the theory in terms of simulation fidelity criteria is discussed.


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    Title :

    Measuring simulation fidelity through an adaptive pilot model


    Contributors:

    Published in:

    Publication date :

    2005-03-31


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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