Numerical optimization is used to compute the optimum flight paths, based upon a parametric form that implicitly includes some of the problem restrictions. The other constraints are formulated as penalties in the cost function. Various aircraft on multiple trajectories (landing and takeoff) can be considered. The modular design employed allows for the substitution of alternate models of the population distribution, aircraft noise, flight paths, and annoyance, or for the addition of other features (e.g., fuel consumption) in the cost function. A reduction in the required amount of searching over local minima was achieved through use of the presence of statistical lateral dispersion in the flight paths. Previously announced in STAR as N81-31159


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    Title :

    Aircraft trajectories for reduced noise impact


    Contributors:

    Published in:

    Publication date :

    1983-09-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




    Aircraft trajectories for reduced noise impact

    MELTON, R. G. / JACOBSON, I. D. | AIAA | 1983


    Minimum Noise Impact Aircraft Trajectories

    I. D. Jacobson / R. G. Melton | NTIS | 1981


    Minimum noise impact aircraft trajectories

    Jacobson, I. D. / Melton, R. G. | NTRS | 1981