月球探测器着陆动响应区间不确定性分析

Zhaoyue Chen, Li Liu*, Shulin Chen, Ying Cui

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

6 引用 (Scopus)

摘要

Dynamic analysis of soft-landing is very important for the design of lunar lander. At present, the determined landing attitude and speed are considered while not considering the uncertainty of these parameters in the analysis of soft-landing dynamics. Based on Chebyshev interval analysis method, an analysis process of landing dynamic interval based on nonlinear finite-element model is proposed for the dynamic characteristics of landing process. The upper and lower bounds of dynamic response are calculated using Chebyshev method and compared with the simulated results of Monte Carlo method. Comparative result shows that the analyzed results of Chebyshev interval analysis method can fully cover those of Monte Carlo method, and the dynamic interval is not enlarged. The influence of truncation order on the analytic error of dynamic interval was analyzed. The analyzed result shows that the truncation order has little influence on analysis error. Chebyshev method has the advantage of high accuracy and efficiency.

投稿的翻译标题Interval Uncertainty Analysis of Soft-landing Dynamics of Lunar Lander
源语言繁体中文
页(从-至)442-448
页数7
期刊Binggong Xuebao/Acta Armamentarii
40
2
DOI
出版状态已出版 - 1 2月 2019

关键词

  • Chebyshev polynomial
  • Interval parameter
  • Lunar lander
  • Monte Carlo method
  • Uncertainty analysis

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引用此

Chen, Z., Liu, L., Chen, S., & Cui, Y. (2019). 月球探测器着陆动响应区间不确定性分析. Binggong Xuebao/Acta Armamentarii, 40(2), 442-448. https://doi.org/10.3969/j.issn.1000-1093.2019.02.025