The optimal control problem arising in coplanar orbital transfer employing aeroassist technology is addressed. The maneuver involves the transfer from high to low earth orbit via 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 optimizaion 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




    Publication date :

    1990-03-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


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


    Fuel-optimal trajectories for aeroassisted coplanar orbital transfer problem

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


    Fuel-optimal trajectories for aeroassisted coplanar orbital transfer problem

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