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Path planning for fuel-optimal collision-free formation flying trajectories

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2 Author(s)
Luke Sauter ; Surrey Space Centre, Department of Electronic Engineering, University of Surrey, Guildford, GU2 7XH, UK ; P. Palmer

Rapid collision identification and avoidance is a necessary capability for distributed implementation of path planning tools on formation flying spacecraft. This paper presents an approach for rapid collision identification, and fuel optimal trajectory shaping around collisions, while in natural motion and along reconfiguration trajectories. Collision identification and trajectory shaping is also explored with respect to multiple maneuvering craft. The Hill-Clohessy-Wiltshire relative motion dynamics are utilized. A semi-analytic approach is used which exploits a full decoupling of the equations of relative motion into phase-space. Algorithm implementation as part of on-orbit control toolbox allows for near real-time fuel-minimized collision-free maneuvers planning.

Published in:

Aerospace Conference, 2011 IEEE

Date of Conference:

5-12 March 2011