TY - GEN
T1 - Uncertainty Calculation for Spacecraft Thermal Models Using a PCE Method
AU - Fu, Xiaoyi
AU - Hua, Yuntao
AU - Ma, Wenlai
AU - Cui, Hutao
AU - Zhao, Yang
N1 - Publisher Copyright:
© 2023 IEEE.
PY - 2023
Y1 - 2023
N2 - Thermal analysis of spacecraft uncertainty is an important part to ensure the robust and reliable design of spacecraft thermal control system. However, the current methods for dealing with this part cannot take into account both accuracy and efficiency. In this paper, the thermal analysis calculation of a spacecraft is used as an example, and a chaotic polynomial expansion (PCE) model is used instead of the original model. The PCE model is used to construct the response relationship between the temperature field and the uncertainty input parameters as a means of analysing the uncertainty information of the temperature field, including statistical information such as mean, standard deviation and probability density distribution. The comparison between the PCE model and the original model uncertainty information shows that the PCE model method has the characteristics of high accuracy and efficiency, which provides a good solution to the problem of calculation accuracy efficiency of spacecraft uncertainty thermal analysis.
AB - Thermal analysis of spacecraft uncertainty is an important part to ensure the robust and reliable design of spacecraft thermal control system. However, the current methods for dealing with this part cannot take into account both accuracy and efficiency. In this paper, the thermal analysis calculation of a spacecraft is used as an example, and a chaotic polynomial expansion (PCE) model is used instead of the original model. The PCE model is used to construct the response relationship between the temperature field and the uncertainty input parameters as a means of analysing the uncertainty information of the temperature field, including statistical information such as mean, standard deviation and probability density distribution. The comparison between the PCE model and the original model uncertainty information shows that the PCE model method has the characteristics of high accuracy and efficiency, which provides a good solution to the problem of calculation accuracy efficiency of spacecraft uncertainty thermal analysis.
KW - PCE model
KW - spacecraft
KW - temperature field
KW - uncertainty information
KW - uncertainty thermal analysis
UR - https://www.scopus.com/pages/publications/85175996104
U2 - 10.1109/ISAES58852.2023.10281274
DO - 10.1109/ISAES58852.2023.10281274
M3 - 会议稿件
AN - SCOPUS:85175996104
T3 - 2023 2nd International Symposium on Aerospace Engineering and Systems, ISAES 2023
SP - 32
EP - 37
BT - 2023 2nd International Symposium on Aerospace Engineering and Systems, ISAES 2023
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2nd International Symposium on Aerospace Engineering and Systems, ISAES 2023
Y2 - 19 May 2023 through 21 May 2023
ER -