Volume 12, Number 2, April 2006
|Page(s)||294 - 310|
|Published online||22 March 2006|
Homotopy method for minimum consumption orbit transfer problem
ENSEEIHT–IRIT, CNRS–UMR 5505, 2 rue Camichel, BP 7122, 31071 Toulouse Cedex 7, France; firstname.lastname@example.org
2 Mathematics Department, 2565 Mc Carthy Mall, Honolulu HI, 96822, USA; email@example.com
Revised: 14 February 2005
The numerical resolution of the low thrust orbital transfer problem around the Earth with the maximization of the final mass or minimization of the consumption is investigated. This problem is difficult to solve by shooting method because the optimal control is discontinuous and a homotopic method is proposed to deal with these difficulties for which convergence properties are established. For a thrust of 0.1 Newton and a final time 50% greater than the minimum one, we obtain 1786 switching times.
Mathematics Subject Classification: 49M05 / 65H20 / 70Q05
Key words: Orbital transfer / optimal control problem / shooting method / differential homotopy / predictor-corrector method.
© EDP Sciences, SMAI, 2006
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