Helicopter handling qualities research requires that a ground-based simulation be a high-fidelity representation of the actual helicopter, especially over the frequency range of the investigation. This experiment was performed to assess the current capability to simulate the UH-60A Black Hawk helicopter on the Vertical Motion Simulator (VMS) at NASA Ames, to develop a methodology for assessing the fidelity of a simulation, and to find the causes for lack of fidelity. The approach used was to compare the simulation to the flight vehicle for a series of tasks performed in flight and in the simulator. The results show that subjective handling qualities ratings from flight to simulator overlap, and the mathematical model matches the UH-60A helicopter very well over the range of frequencies critical to handling qualities evaluation. Pilot comments, however, indicate a need for improvement in the perceptual fidelity of the simulation in the areas of motion and visual cuing. The methodology used to make the fidelity assessment proved useful in showing differences in pilot workload and strategy, but additional work is needed to refine objective methods for determining causes of lack of fidelity.


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    Title :

    Fidelity Assessment of a UH-60A Simulation on the NASA Ames Vertical Motion Simulator


    Contributors:
    A. Atencio (author)

    Publication date :

    1993


    Size :

    326 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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