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Cooperative attitude synchronization in satellite swarms: a consensus approach
Sarlette, Alain; Sepulchre, Rodolphe; Leonard, Naomi
2007In Proceedings of the 17th IFAC Symposium on Automatic Control in Aerospace
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Keywords :
consensus algorithms; attitude control; swarm control; formation flight; satellite swarms; autonomous swarms; synchronization
Abstract :
[en] The present paper considers the problem of autonomous synchronization of attitudes in a swarm of spacecraft. Building upon our recent results on consensus on manifolds, we model the spacecraft as particles on SO(3) and drive these particles to a common point in SO(3). Unlike the Euler angle or quaternion descriptions, this model suffers no singularities nor double-points. Our approach is fully cooperative and autonomous: we use no leader nor external reference. We present two types of control laws, in terms of applied control torques, that globally drive the swarm towards attitude synchronization: one that requires tree-like or all-to-all inter-satellite communication (most efficient) and one that works with nearly arbitrary communication (most robust).
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Sarlette, Alain ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Sepulchre, Rodolphe ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Leonard, Naomi;  Princeton University > Mechanical and Aerospace Engineering
Language :
English
Title :
Cooperative attitude synchronization in satellite swarms: a consensus approach
Publication date :
June 2007
Event name :
17th IFAC Symposium on Automatic Control in Aerospace
Event organizer :
IFAC & ONERA
Event place :
Toulouse, France
Audience :
International
Main work title :
Proceedings of the 17th IFAC Symposium on Automatic Control in Aerospace
Pages :
Tu02.1
Peer reviewed :
Peer reviewed
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