Solving multi-objective aeroassisted spacecraft trajectory optimization problems using extended NSGA-II
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2017-09-14
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American Institute of Aeronautics and Astronautics
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Chai R, Savvaris A, Tsourdos A, Chai S, Solving multi-objective aeroassisted spacecraft trajectory optimization problems using extended NSGA-II, Proceedings of AIAA SPACE and Astronautics Forum and Exposition 2017, 12-14 September 2017, Orlando, FL, USA, Paper number AIAA 2017-5193, pp. 1-9
Abstract
This paper focuses on the application of an extended NSGA-II algorithm to the aero-assisted spacecraft trajectory optimization problems. A new multi-objective spacecraft optimal control model is formulated and parameterized using discretization method. The resulting multi-objective nonlinear programming problem is then solved via the multi-objective evolutionary solver. In order to deal with path constraints that naturally arise in practical trajectory planning problems, the original NSGA-II approach is extended by introducing a new constraint handling strategy. Simulation results are provided to illustrate the effectiveness and feasibility of the enhanced NSGA-II algorithm in dealing with spacecraft trajectory optimization problems.
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