Methods of controlling the trajectories of high-drag--low-lift vehicles entering the earth's atmosphere at angles of attack near 90 degrees and at initial entry angles up to --3 degrees are studied. The trajectories are calculated for vehicles whose angle of attack can be held constant at some specified value or can be perfectly controlled as a function of some measured quantity along the trajectory. The results might be applied in the design of automatic control systems or in the design of instruments which will give the human pilot sufficient information to control his trajectory properly during an atmospheric entry.


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    Title :

    Trajectory Control for Vehicles Entering the Earth'S Atmosphere at Small Flight-Path Angles


    Contributors:

    Publication date :

    1961


    Size :

    32 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English