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Optimization for the Aeroassisted Orbital Plane Change with the Synergetic Maneuver Using the hp-Adaptive Pseudospectral Method

机译:hp自适应伪谱法协同协同优化航空辅助轨道平面变化

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摘要

The thrust synergetic maneuver, i.e., during the atmospheric flight, the flight trajectory of the vehicle is modulated by both the aerodynamic force and thrust, can potentially lower fuel consumption in comparison with the all-propulsive maneuver to implement orbital plane changes. This paper fully studies the optimal synergetic maneuver for the orbital plane change problem with heating-rate constraints. By using the hp-adaptive pseudospectral method, the global solution of a synergetic maneuver has been found, and the corresponding optimal trajectories have been shown. The trend of the control variables indicates that the global optimal solution is more like a combination of aerocruise and aerobang. In consideration of different maximum allowable heating rates and orbital altitudes, the maximum abilities of orbital plane change and significant features of the trajectories during atmospheric flight are demonstrated. The comparisons between the global solution and aerobang about maximum orbital inclination changes under different constraints have been made to confirm the optimality of the results in this paper and show the gap of the aerobang. The optimal results of this work exactly give the ultimate ability of orbital plane change, and demonstrate that the synergetic maneuver is obviously efficient for orbital plane changes, especially for low orbit and relaxed heating rate constraint. (C) 2017 American Society of Civil Engineers.
机译:推力协同操纵,即在大气飞行期间,车辆的飞行轨迹受空气动力和推力的调节,与实现轨道平面变化的全力推进操纵相比,可以潜在地降低燃油消耗。本文充分研究了具有加热速率约束的轨道平面变化问题的最优协同操纵。通过使用hp自适应伪谱方法,找到了一种协同策略的整体解,并显示了相应的最优轨迹。控制变量的趋势表明,全局最优解更像是aerocruise和aerobang的组合。考虑到不同的最大允许加热速率和轨道高度,证明了大气飞行过程中轨道平面变化的最大能力和轨迹的重要特征。比较了全球解和Aerobang在不同约束条件下的最大轨道倾角变化,以确认本文结果的最优性并显示Aerobang的差距。这项工作的最佳结果正好提供了轨道平面变化的最终能力,并证明了协同机动显然对轨道平面变化特别有效,特别是对于低轨道和宽松的加热速率约束。 (C)2017年美国土木工程师学会。

著录项

  • 来源
    《Journal of aerospace engineering》 |2017年第6期|04017076.1-04017076.9|共9页
  • 作者

    Han Hongwei; Qiao Dong;

  • 作者单位

    Beijing Inst Technol, Sch Aerosp Engn, Beijing 100081, Peoples R China;

    Beijing Inst Technol, Sch Aerosp Engn, Beijing 100081, Peoples R China;

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  • 正文语种 eng
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