高伟;于开平;林宏;

• 1:哈尔滨工业大学航天学院

• 2:北京宇航系统工程研究所

摘要(Abstract)：

为解决载荷识别反问题,研究选取最优正则化参数商函数方法。利用Tikhonov正则化方法的最优化问题的最小二乘解,定义以正则化参数为自变量的商函数;根据不同的正则化参数,使用二次规划理论,求解Tikhonov正则化方法的最优化问题的最优解;基于不同最优解对应商函数的不同特点,将最优正则化参数的商函数方法,与广义交叉检验(Generalized Cross-Validation,GCV)准则所得载荷识别结果进行比较。数值仿真及试验验证结果表明,商函数方法对于共振区及非共振区下载荷识别问题具有较好的合理性和适用性。

关键词(KeyWords)：载荷识别;不适定问题;正则化方法;二次规划;形函数

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金项目(11372084)

作者(Author):高伟;于开平;林宏;

Email:

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