基于高斯过程回归的空天飞行器多精度气动建模方法

季廷炜,查旭,谢芳芳,吴雨思,张鑫帅,蒋逸阳,杜昌平,郑耀

Multi-fidelity aerodynamic modeling method of aerospace vehicles based on Gaussian process regression

Ting-wei JI,Xu ZHA,Fang-fang XIE,Yu-si WU,Xin-shuai ZHANG,Yi-yang JIANG,Chang-ping DU,Yao ZHENG

表 3 多精度升力系数模型的平方误差的平均值

Tab.3 Mean of squared error for multi-fidelity model of lift coefficient

N ${ {\rm{lg } } }\left( { { {\bar \varepsilon }^2} } \right)$ 单精度GPR 多精度GPR 4 −1.286 −3.097 9 −2.325 −4.281 18 −2.149 −4.245 35 −5.623 −6.082 42 −5.733 −6.083