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Control Allocation Strategy for Optimal Digital Microthruster Arrays in Orbit Control Applications

机译:轨道控制应用中最佳数字微推力器阵列的控制分配策略

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摘要

Digital microthruster arrays can be used to propel microanosatellites on missions requiring high precision and low impulse. This paper presents a novel control allocation strategy for digital microthruster arrays, called segment distribution and stratification addressing (SD-SA) algorithm, which aims to find the optimal combination of microthrusters to successfully achieve a given thrusting maneuver. The SD algorithm separates a thruster array into disjoint segments, and then the SA algorithm combines these segments to provide required impulses in a control task. Compared with traditional algorithms, the SD-SA algorithm costs less time and computational storage space. It is demonstrated through simulation that the SD-SA algorithm is effective for the real-time orbit control of microanosatellites.
机译:数字微推力器阵列可用于在需要高精度和低冲量的任务中推进微/纳卫星。本文提出了一种新型的数字微推力器阵列控制分配策略,称为分段分配和分层寻址(SD-SA)算法,旨在找到微推力器的最佳组合,以成功实现给定的推力操纵。 SD算法将推进器阵列分成不相交的段,然后SA算法将这些段组合以在控制任务中提供所需的脉冲。与传统算法相比,SD-SA算法花费更少的时间和计算存储空间。通过仿真证明,SD-SA算法对微卫星的实时轨道控制是有效的。

著录项

  • 来源
    《Journal of Spacecraft and Rockets》 |2019年第3期|836-843|共8页
  • 作者单位

    Beihang Univ, Sch Energy & Power Engn, Beijing 100191, Peoples R China;

    Beihang Univ, Sch Energy & Power Engn, Beijing 100191, Peoples R China;

    Beihang Univ, Sch Energy & Power Engn, Beijing 100191, Peoples R China;

    Beihang Univ, Coll Automat Sci & Elect Engn, Beijing 100191, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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