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 4 多精度升力系数模型的平方误差的方差

Tab.4 Variance of squared error for multi-fidelity model of lift coefficient

N ${\lg}\;\left( {{\sigma _{{{\bar \varepsilon }^2}}}} \right)$ 单精度GPR 多精度GPR 4 −2.337 −6.225 9 −4.407 −8.059 18 −4.011 −7.966 35 −10.956 −11.515 42 −11.146 −11.367