An analysis has been made of a method for postflight reconstruction of reentry vehicle states and the identification of associated model parameters using the Trajectory Analysis Program (TRAP). The present investigation focuses on the extent to which a reduced order dynamical model can be utilized to reconstruct reentry vehicle trajectories and to estimate aerodynamic coefficients from onboard observations of the vehicle motion. The feature of local arc trajectory partitioning is disucssed and its application to the reentry vehicle problem is described. Numerical results derived from simulated measurements are presented which illustrate the feasibility of this approach. (ERA citation 04:050429)
Analysis of Reentry Vehicle Trajectory Reconstruction and Parameter Identification
1979
11 pages
Report
Keine Angabe
Englisch
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