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High-Speed Solution of Spacecraft Trajectory Problems Using Taylor Series Integration

机译:使用泰勒级数积分的航天器轨迹问题的高速解决方案

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摘要

InT HAS been known for some time that Taylor series (TS)nintegration is among the most efficient and accurate numericalnmethods in solving differential equations. However, the full benefitnof the method has yet to be realized in calculating spacecraftntrajectories, for two main reasons. First, most applications of Taylornseries to trajectory propagation have focused on relatively simplenproblems of orbital motion or on specific problems and have notnprovided general applicability. Second, applications that have beennmore general have required use of a preprocessor, which inevitablynimposes constraints on computational efficiency. The latter approachnincludes the work of Berryman et al. [1], who solved the planetarynn-body problem with relativistic effects. Their work specificallynnoted the computational inefficiencies arising from use of a prepro-ncessor and pointed out the potential benefit of manually codingnderivative routines.
机译:InT一直以来都知道泰勒级数(TS)积分是求解微分方程式最有效,最准确的数值方法之一。然而,由于两个主要原因,该方法的全部优点尚未在计算航天器轨道中实现。首先,泰勒级数在轨道传播中的大多数应用都集中在相对较简单的轨道运动问题或特定问题上,而没有提供一般的适用性。其次,更普遍的应用程序需要使用预处理程序,这不可避免地对计算效率施加了约束。后一种方法包括Berryman等人的工作。 [1],他以相对论效应解决了Planetarynn体问题。他们的工作专门指出了使用前置处理器会导致计算效率低下,并指出了手动编码衍生例程的潜在好处。

著录项

  • 来源
    《Journal of Spacecraft and Rockets》 |2010年第1期|p.199-202|共4页
  • 作者单位

    NASA John H. Glenn Research Center at Lewis Field,Cleveland, Ohio 44135;

  • 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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