Highlights An efficient algorithm for checking the feasibility and evaluating the flight time between two neighboring resonance orbits is given. A mixed-encoding optimization model is proposed to select the optimal resonance orbits and plan the path through them. Transfers from the zero-inclination orbit to the polar orbit in the Jupiter system are simulated and the optimal trajectories via tens of gravity assists are analyzed.
Abstract Trajectory optimization of orbit transfers via multiple gravity assists is studied to generate the time-optimal trajectory for a large-scale velocity change. The optimal trajectory is considered as a combination of transfers between different resonance orbits, and an efficient algorithm for checking the feasibility and evaluating the flight time between two neighboring resonance orbits is given. Then, a mixed-encoding optimization model is proposed to select the optimal resonance orbits and plan the path through them. The transfer from a zero-inclination orbit to a polar orbit in the Jupiter system is simulated and the optimal trajectories via tens of GAs are obtained. The results show the efficiency of the optimization process and the practicability for mission analysis and trajectory design when the third body is small and the velocity change via a single gravity assist is limited.
Resonance selection and path planning for noncoplanar transfers via multiple gravity assists
Advances in Space Research ; 73 , 8 ; 4213-4225
2024-01-16
13 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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