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- W2386749770 abstract "The minimum-fuel,multi-pulse and time-fixed rendezvous problem is investigated,and a population entropy based particle swarm optimization(EPSO) algorithm is proposed to optimize the rendezvous trajectory.The relative motion of two spacecrafts between two near circular orbits is described by the linearized C-W equations,and taking the minimum energy as a control object,the optimal transfer trajectory based on continuous impulse is got to determine the pulse point location.For the engineering practicability,a multi-pulse control method is used.The location parameters of the pulse point are used to establish the optimization object function of taking the time interval between two pulse-points as the decision variable,and it is solved using the EPSO algorithm.In EPSO,the population entropy is used to describe the particles' location confusion degree,and the search space is determined by using the previous population entropy,thus reducing the waste of search space,and improving the searching speed and accuracy of convergence.Simulation results demonstrate the algorithm has better optimization performance,and it is suitable for the spacecraft trajectory optimization." @default.
- W2386749770 created "2016-06-24" @default.
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- W2386749770 date "2013-01-01" @default.
- W2386749770 modified "2023-09-23" @default.
- W2386749770 title "Spacecraft Rendezvous Trajectory Optimization Method Based on EPSO" @default.
- W2386749770 hasPublicationYear "2013" @default.
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