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首页> 外文期刊>Acta astronautica >A new shape-based multiple-impulse strategy for coplanar orbital maneuvers
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A new shape-based multiple-impulse strategy for coplanar orbital maneuvers

机译：基于形状的共同形态的多脉冲策略，适用于共面轨道动作

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摘要

A new shape-based geometric method (SBGM) is proposed for generation of multi-impulse transfer trajectories between arbitrary coplanar oblique orbits via a heuristic algorithm. The key advantage of the proposed SBGM includes a significant reduction in the number of design variables for an N-impulse orbital maneuver leading to a lower computational effort and energy requirement. The SBGM generates a smooth transfer trajectory by joining a number of confocal elliptic arcs such that the intersections share common tangent directions. It is proven that the well-known classic Hohmann transfer and its bi-elliptic counterpart between circular orbits are special cases of the proposed SBGM. The performance and efficiency of the proposed approach is evaluated via computer simulations whose results are compared with those of optimal Lambert maneuver and traditional methods. The results demonstrate a good compatibility and superiority of the proposed SBGM in terms of required energy effort and computational efficiency.
机译：提出了一种新的基于形状的几何方法（SBGM），用于通过启发式算法在任意共面倾斜轨道之间产生多脉冲传输轨迹。所提出的SBGM的关键优势包括导致较低的计算工作和能源需求的N脉冲轨道机动的设计变量数量显着减少。通过加入多个共聚焦椭圆弧来产生平滑的传输轨迹，使得交叉点共享常见的切线方向。据证明，圆形轨道之间的着名经典HOHMANN转移及其双椭圆形对应物是所提出的SBGM的特殊情况。通过计算机模拟评估所提出的方法的性能和效率，其结果与最佳Lambert机动和传统方法的结果进行了比较。结果表明，在所需的能量努力和计算效率方面，拟议的SBGM的良好兼容性和优越性。

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