Volume 41 Issue 6
Nov.  2021
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Article Navigation >  Chinese Journal of Space Science  > 2021  >  41(6): 962-967
WANG Qiang, ZHANG Wei, REN Zhenzhen, GONG Jianze, JING Yuhang. Combinational Model for Real-time Computing Rocket Falling Point Based on Space Delamination[J]. Chinese Journal of Space Science, 2021, 41(6): 962-967. doi: 10.11728/cjss2021.06.962
Citation: WANG Qiang, ZHANG Wei, REN Zhenzhen, GONG Jianze, JING Yuhang. Combinational Model for Real-time Computing Rocket Falling Point Based on Space Delamination[J]. Chinese Journal of Space Science, 2021, 41(6): 962-967. doi: 10.11728/cjss2021.06.962
shu

Combinational Model for Real-time Computing Rocket Falling Point Based on Space Delamination

doi: 10.11728/cjss2021.06.962 cstr: 32142.14.cjss2021.06.962

  • Xichang Satellite Launch Center, Xichang 615000

  • Received Date: 2020-09-02
  • Rev Recd Date: 2021-07-10
  • Publish Date: 2021-11-15
    Abstract
  • A mathematical model based on space delamination combining geometric and dynamical models for falling point calculation is proposed to ensure the safety of the space launch mission's flight zone and to achieve high accuracy and fast calculation of rocket falling point in real time. The model stratifies the trajectory into a free segment and a re-entry segment. In the free segment, an elliptical geometric model is used considering Earth oblateness correction and in the re-entry segment, a dynamic model is used adding air resistance. Corrections for factors such as geophysical disturbance and garth rotation are also incorporated. Through validation of actual falling point data, it is found that the model can maximize the integration of accuracy and efficiency, and could be used to calculate rocket falling point for space launch missions with high accuracy and real-time performance.

     

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