A novel shape-based approximation method for constrained low-thrust trajectory design

作者：Zeng Kui; Geng Yunhai; Wu Baolin; Xie Chengqing

来源：AIAA/AAS Astrodynamics Specialist Conference, 2016, 2016-09-13 to 2016-09-16.

• Approximation methods
• Low-thrust technologies
• Low-thrust trajectory
• Mission planning
• New approaches
• Strong approximation
• Thrust acceleration
• Trajectory designs

Trajectory design with low-thrust technology needs a method for rapid approximating the spacecrafts trajectory and fuel consumption during the preliminary stage phase. To satisfy this demand, a new method for quick low-thrust 3D rendezvous trajectory design was proposed. The new approach can not only meet the boundary conditions precisely, but also has the ability of keeping the thrust acceleration within a certain limit during the whole range of transfer time. In addition, the proposed approach has strong approximation ability since it does not assume a specific shape for the trajectory like most of existing shape-based methods. Furthermore, the solutions are very close to fuel-optimal control results. It can be used for further mission planning and optimization. Finally, the simulation results validate the accuracy and efficiency of the proposed method.

• 出版日期2016