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Optimal Coupled Rendezvous and Docking Control

Moradi, Rouzbeh | 2009

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 40322 (45)
  4. University: Sharif University of Technology
  5. Department: Aerospace Engineering
  6. Advisor(s): Pourtakdoust, Hassan
  7. Abstract:
  8. Planning safe rendezvous and docking trajectories between two spacecrafts has a high importance in the space applications. In order to make two spacecrafts moving in different orbits closer, two stages must be completed simultaneously: First the implementation of rendezvous maneuver which deals with the generation of control/guidance commands leading to trajectories that lead the chaser towards the target. Second the docking maneuver incorporation which makes the two spacecrafts closer with the relative zero attitude. Various approaches have been dealt with till now using the analytical and numerical approaches generally considering rendezvous, not the docking maneuver. These approaches include the optimal control, fuzzy and adaptive control and … utilizing the three dimensional translational equations. In this project the translational as well as rotational equations will be considered simultaneously and the optimal control strategy will be developed using a combinatorial objective function. The nonlinear form of the translational motion (Clohessy-Wilshire) is considered in conjunction with the nonlinear form of the rotational motion. Also, in the coupled motion analysis, the environmental disturbances and the chaser’s maneuver limitations will be taken into account
  9. Keywords:
  10. Optimal Control ; Genetic Algorithm ; Ant Colony Optimization (ACO) ; Particles Swarm Optimization (PSO) ; Metaheuristic Method ; Open Loop System ; Closed Loop System ; Rendezvous and Docking Problem ; Multi-Objective Solution ; Gaussian Pseudospectral Method

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