Optimization of relative orbit transfers via particle swarm and primer vector theory
Aubin, Brianna S.
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https://hdl.handle.net/2142/24011
Description
Title
Optimization of relative orbit transfers via particle swarm and primer vector theory
Author(s)
Aubin, Brianna S.
Issue Date
2011-05-25T15:03:01Z
Director of Research (if dissertation) or Advisor (if thesis)
Conway, Bruce A.
Department of Study
Aerospace Engineering
Discipline
Aerospace Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
relative orbits
Clohessy Wiltshire
primer vector
particle swarm
relative orbit elements
evolutionary algorithms
satellite swarm
Abstract
Satellite clusters are a useful tool to improve mission cost-effectiveness and redundancy, but controlling the satellites within the cluster is a difficult task. The particle swarm evolutionary algorithm is used to find ways to minimize the amount of fuel required for impulsive transfers between periodic orbits in the relative motion problem. Relative orbit elements are used in order to create the solution vectors for the particle swarm, and the Clohessy-Wiltshire-Hill equations are used to define the motion of the satellites. These trajectories are then analyzed according to primer vector theory, in order to check the optimality of the trajectories developed via the particle swarm algorithm and determine if they may be improved.
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