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A study on simultaneous design of a Hall Effect Thruster and its low-thrust trajectory

机译：霍尔效应推力器及其低推力轨迹的同时设计研究

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摘要

Space missions involving Hall Effect Thrusters are more and more common, and designs of both Hall Effect Thrusters and low-thrust trajectories require more elaborated process to meet the on-going mission demands. The design of a new Hall Effect Thruster can be improved by considering mission goals for high-demand missions rather than by relying on the current empirical and experimental design process. Moreover, the optimization of low-thrust trajectories involving the Hall Effect Thrusters can also be improved by incorporating the physics of the Hall Effect Thrusters rather than using a simplified model of the given thruster or incorporating the limited existing thruster characteristics. In order to accomplish these two objectives, a simultaneous design environment of the Hall Effect Thruster and its associated low-thrust trajectory is developed. By linking these two disciplines through a direct embedding of the Hall thruster analysis module within the low thrust optimal control problem, we show that a new Hall Effect Thruster and the associated low-thrust trajectory can be designed simultaneously. As a starting example applying this coupled strategy, a plausible, high-demand mission scenario is attempted with highly simplified assumptions on trajectory optimization, which is the final stage of a geostationary transfer orbit that takes place entirely outside the Van Allen radiation belts. (C) 2015 IAA. Published by Elsevier Ltd. All rights reserved.
机译：涉及霍尔效应推进器的太空任务越来越普遍，霍尔效应推进器和低推力轨迹的设计都需要更加精细的过程来满足正在进行的任务需求。通过考虑高要求任务的任务目标，而不是依靠当前的经验和实验设计过程，可以改进新的霍尔效应推进器的设计。此外，还可以通过结合霍尔效应推进器的物理原理，而不是使用给定推进器的简化模型或引入有限的现有推进器特性，来改善涉及霍尔效应推进器的低推力轨迹的优化。为了实现这两个目标，开发了霍尔效应推力器及其相关的低推力轨迹的同时设计环境。通过在低推力最优控制问题中直接嵌入霍尔推力器分析模块将这两个学科联系起来，我们表明可以同时设计新的霍尔效应推力器和相关的低推力轨迹。作为应用这种耦合策略的初始示例，尝试了一种在轨道优化上具有高度简化假设的合理，高要求的任务场景，这是完全在Van Allen辐射带之外进行的地球静止转移轨道的最后阶段。 （C）2015年IAA。由Elsevier Ltd.出版。保留所有权利。

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