振动载荷识别的奇异值分解法  

A Singular Value Decomposition Method for the Identification Vibration Loads

作　　者：刘恒春[1] 朱德懋[2] 孙久厚[2] 

机构地区：[1]87316部队 [2]南京航空学院

出　　处：《振动工程学报》1990年第1期24-33,共10页Journal of Vibration Engineering

摘　　要：本文采用奇异值分解技术处理载荷识别方程组系数矩阵的病态问题,并将这一技术应用于某机平尾的地面振动载荷识别,得到了令人满意的结果,为该机平尾的飞行载荷识别提供了有关技术和经验。In this paper,using the singular value decomposition technique,the problem ofan ill-conditioned coefficient matrix in the equations for identifying vibrationloads is processed.The technique is applied to identifying the vibration loadsacted on the tailplane of an aircraft on the ground.Some satisfactory results areobtained which provide some techniques and experiences for the flight loadsidentification of the aircraft.

关 键 词：振动 载荷 识别 平尾 奇异值 

分 类 号：V216.21[航空宇航科学与技术—航空宇航推进理论与工程]