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Allen Guzik February 28, 2008 Trajectory Aircraft Launch Optimization and Ψ 3 Error Sensitivity

Allen Guzik February 28, 2008 Trajectory Aircraft Launch Optimization and Ψ 3 Error Sensitivity. Trajectory Optimization. 1/5. Airplane Trajectory Results. Bradley Ferris. Junichi Kanehara. Example Orbit. Too Aggressive for D&C. Conclusions

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Allen Guzik February 28, 2008 Trajectory Aircraft Launch Optimization and Ψ 3 Error Sensitivity

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  1. Allen GuzikFebruary 28, 2008TrajectoryAircraft Launch OptimizationandΨ3 Error Sensitivity AAE 450 Spring 2008 Trajectory Optimization 1/5

  2. Airplane Trajectory Results Bradley Ferris Junichi Kanehara Example Orbit Too Aggressive for D&C Conclusions - Good airplane launch trajectories are possible - Airplane launches can be cheaper than balloon launches - Unfortunately D&C cannot control trajectory’s prescribed path AAE 450 Spring 2008 Trajectory Optimization 2/5

  3. Ψ3 Error Sensitivity • Purpose • Find how sensitive the orbit is from an error in Ψ3 • D&C needs this for their controller • Model Used for Analysis • LB-SA-DA-DA • Conclusions • - Perigee is greatly effected by Ψ3 error (1˚ ~= 10% error) • - If there is error, best case is for the error to be more negative • Future Work • - Help the team work on optimizing trajectories for the selected cases. • - Report Writing AAE 450 Spring 2008 Trajectory Optimization 3/5

  4. Backup Slides AAE 450 Spring 2008 Trajectory Optimization 4/5

  5. Backup Slides AAE 450 Spring 2008 Trajectory Optimization 5/5

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