A nonlinear, six degree of freedom, digital computer simulation of a vehicle which has constant mass properties and whose attitudes are controlled by both aerodynamic surfaces and reaction control system thrusters was developed. A rotating, oblate Earth model was used to describe the gravitational forces which affect long duration Earth entry trajectories. The program is executed in a nonreal time mode or connected to a simulation cockpit to conduct piloted and autopilot studies. The program guidance and control software used by the space shuttle orbiter for its descent from approximately 121.9 km to touchdown on the runway.


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    Title :

    Development of the Reentry Flight Dynamics Simulator for Evaluation of Space Shuttle Orbiter Entry Systems


    Contributors:
    L. F. Rowell (author) / R. W. Powell (author) / H. W. Stone (author)

    Publication date :

    1980


    Size :

    97 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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