Research on optimization method for flyby observation mission adapted to satellite on-board computation

IF 1 4区工程技术 Q3 ENGINEERING, AEROSPACE

Proceedings of the Institution of Mechanical Engineers Part G-Journal of Aerospace Engineering Pub Date : 2024-02-27 DOI:10.1177/09544100241235801

Jiyuan Wang, Yan Xiao, Dong Ye, Zijun Wang, Zhaowei Sun

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引用次数: 0

Abstract

In this paper, the optimization problem of orbital transfer strategy for orbital flyby observation missions is studied. A hybrid optimization method is proposed, which is improved to make it more suitable for satellite on-board computing. This new algorithm is designed to solve the initial value sensitivity problem of the sequential quadratic programming algorithm (SQP). It is consisted of the depth-first search algorithm (DFS) and the SQP algorithm and thus has the characteristics of fast convergence, high reliability, and good robustness. With this method, the DFS with a large step size is calculated first, and then the optimal value in the calculation result is used as the initial value of the SQP algorithm for further optimization. This method can obtain the approximate optimal solution available in engineering. The numerical simulation of an orbital transfer optimization problem is set to verify the effectiveness of the new hybrid algorithm. The simulation results compared with the genetic algorithm (GA) show that the proposed hybrid algorithm can effectively reduce the on-board resource occupation when getting similar results and thus can meet the needs of satellite on-board computing.

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适应卫星星载计算的飞越观测任务优化方法研究

本文研究了轨道飞越观测任务的轨道转移策略优化问题。提出了一种混合优化方法，并对该方法进行了改进，使其更适合卫星星载计算。这种新算法旨在解决顺序二次编程算法（SQP）的初值敏感性问题。它由深度优先搜索算法（DFS）和 SQP 算法组成，因此具有收敛快、可靠性高和鲁棒性好的特点。采用这种方法时，首先计算步长较大的 DFS，然后将计算结果中的最优值作为 SQP 算法的初始值，进行进一步优化。这种方法可以获得工程上可用的近似最优解。为了验证新混合算法的有效性，我们对一个轨道转移优化问题进行了数值模拟。仿真结果与遗传算法（GA）相比表明，在得到相似结果的情况下，所提出的混合算法能有效减少星载资源占用，从而满足卫星星载计算的需要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Proceedings of the Institution of Mechanical Engineers Part G-Journal of Aerospace Engineering 工程技术-工程：机械

CiteScore

2.40

自引率

18.20%

发文量

212

审稿时长

5.7 months

期刊介绍： The Journal of Aerospace Engineering is dedicated to the publication of high quality research in all branches of applied sciences and technology dealing with aircraft and spacecraft, and their support systems. "Our authorship is truly international and all efforts are made to ensure that each paper is presented in the best possible way and reaches a wide audience. "The Editorial Board is composed of recognized experts representing the technical communities of fifteen countries. The Board Members work in close cooperation with the editors, reviewers, and authors to achieve a consistent standard of well written and presented papers."Professor Rodrigo Martinez-Val, Universidad Politécnica de Madrid, Spain This journal is a member of the Committee on Publication Ethics (COPE).