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- W2317963570 abstract "A general and high delity aircraft trajectory optimization framework is presented and used to eciently compute six degree of freedom aircraft trajectories. The approach leverages a compact vortex lattice method where forces and moments are computed as quadratic expressions of the aircraft state and control surface deections. This permits straightforward calculation of gradient information. With analytic gradients the trajectory optimization solution time is cut by well over an order of magnitude as compared to nding gradients numerically. The compact vortex lattice formulation is reviewed and the procedure for calculating its gradients is outlined. This technique is then used for computing optimal dynamic soaring trajectories. The vortex lattice formulation is compared against a stability derivative based aerodynamic model as well a three degree of freedom formulation. The additional capabilities of the compact vortex lattice model are then used to eciently constrain maximum section lift coecients along the aircraft span. Finally, a Pareto optimal curve is presented that illustrates how with virtually no additional required energy, the control eort required to dynamic soar can be cut by almost 70%." @default.
- W2317963570 created "2016-06-24" @default.
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- W2317963570 date "2012-09-11" @default.
- W2317963570 modified "2023-09-27" @default.
- W2317963570 title "Efficient Six Degree of Freedom Aircraft Trajectory Optimization with Application to Dynamic Soaring" @default.
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- W2317963570 doi "https://doi.org/10.2514/6.2012-5622" @default.
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