Active collision avoidance maneuver under constant thrust

Details Active collision avoidance maneuver under constant thrust Active collision avoidance maneuver under constant thrust

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011adspr..48..349q&link_type=abstract

Advances in Space Research, Volume 48, Issue 2, p. 349-361.

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In this paper, the relative position parameters of the target spacecraft are obtained by using the vision measurement and the target maneuver positions are calculated through the isochronous interpolation method. Furthermore, new switch control laws under constant thrust are designed for active collision avoidance maneuver of the chaser along a specified trajectory. The switch control laws are obtained based on the acceleration sequences and the working times of thrusters in three axes which can be respectively computed by the time series analysis method. The perturbations and fuel consumptions are addressed during the computation of the working times.Sample results for analyzing the possibility of collision and carrying out maneuver are presented. The results are obtained based on constant thrust. It is proved that, with the switch control laws, the chaser will maneuver along the specified trajectory and the goal of the collision avoidance can be achieved.

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