Avoiding Collisions Maneuvers Using a Stochastic Approach

The research considered here is related to the problem of orbital maneuvers. A satellite has to perform such maneuver to escape from a possible collision with a cloud of particles. To perform this task, a low thrust control is available. The question of minimizing the fuel consumption is considered and this is the most important goal in the maneuver. For this problem, the hybrid optimal control approach is used, where it is possible to take into account the accuracy in the satisfaction of the constraints. The spacecraft is considered to be traveling in Keplerian orbits perturbed only by the thrusts. These thrusts have a fixed magnitude and operating in an on-off mode. Several results are shown to exemplify the maneuvers simulated.

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