The optimal control problem arising in coplanar, orbital transfer employing aeroassist technology is addressed. The maneuver involves the transfer from high Earth orbit to low Earth orbit by means of the atmosphere with the object of minimizing the total fuel consumption. Simulations are carried out to obtain the fuel-optimal trajectories for flying the spacecraft through the atmosphere. A highlight is the application of an efficient multiple-shooting method for treating the nonlinear, two-point boundary value problem resulting from the optimization procedure. The strategy for the atmospheric portion of the minimum-fuel transfer is to fly at the maximum lift-to-drag ratio L/D initially in order to recover from the downward plunge, and then to fly at a negative L/D to level off the flight so that the vehicle skips out of the atmosphere with a flight path angle near zero degrees.<>


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    Title :

    Fuel-optimal trajectories for aeroassisted coplanar orbital transfer problem


    Contributors:


    Publication date :

    1990-03-01


    Size :

    554862 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Fuel-optimal trajectories for aeroassisted coplanar orbital transfer problem

    Naidu, D.S. / Hibey, J.L. / Charalambous, C. | Tema Archive | 1988


    Fuel-optimal trajectories for aeroassisted coplanar orbital transfer problem

    Naidu, Desineni Subbaramaiah / Hibey, Joseph L. / Charalambous, Charalambos D. | NTRS | 1990


    Fuel-optimal trajectories for aeroassisted coplanar orbital transfer problem

    Naidu, D.S. / Hibey, J.L. / Charalambous, C.D. | Tema Archive | 1990



    Numerical computation of optimal trajectories for coplanar, aeroassisted orbital transfer

    Baumann, Helge ;Oberle, Hans Joachim | TIBKAT | 2000

    Free access