›› 2012, Vol. 32 ›› Issue (1): 1-7.doi: 10.3780/j.issn.1000-758X.2012.01.001
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ZHAO Guo-Qiang, BAO Yin-He-Xi, LI Jun-Feng
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Abstract: The trajectory design problem was transformed into two point boundary value problem (TPBVP) of ordinary differential equation and solved by differential correction. The concept of B-plane was used nea earth and Mars. The boundary condition of the TPBVP can be analytically determined by the geometrical characteristics between B-plane and its associatedhyperbolic orbit, and the reason that four kinds of trajectories can be obtained was explained. An accurate mathematical formulation describing the closest approach time to Marswas also proposed. An illustrative example was presented and the results were coincided with satellite tool kit.
Key words: Mars exploration, Trajectory design, Differential correction, B-plane parameters
ZHAO Guo-Qiang, BAO Yin-He-Xi, LI Jun-Feng. DirectTransferTrajectoryDesignforMarsExplorationUsingB-plane[J]. , 2012, 32(1): 1-7.
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