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Identifying sources of variation in horizontal stabilizer assembly using finite element analysis and principal component analysis

机译：使用有限元分析和主成分分析识别水平稳定器组件的变化源

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Purpose - The purpose of this paper is to propose a method to identify sources of variation in horizontal stabilizer assembly using FEA (finite element analysis) and PCA (principal component analysis). Design/methodology/approach - The horizontal stabilizer is assembled by long and thin-walled deformable aluminum components. Part-to-part assembly of these compliant components regularly causes difficulties associated with dimensional variations. Finite element modeling and PCA are employed to predict the propagation of variation from edge to horizontal stabilizer. Findings - The variation analysis combined with pattern fitting method is demonstrated in a case study of the horizontal stabilizer assembly system and good performance is obtained. The results have shown that the FEA and PCA method has the capability of predicting, to an acceptable degree of accuracy, the overall geometrical variations propagation of the edges and trailing edge. Originality/value - The results of this research will enhance the understanding of the compliant components deformation in assembly, and help to systematically improve the precision control efficiency in civil aircraft assembly.
机译：目的-本文的目的是提出一种使用FEA（有限元分析）和PCA（主成分分析）来确定水平稳定器组件变化原因的方法。设计/方法/方法-水平稳定器由长而薄的可变形铝部件组装而成。这些顺应性部件的零件到零件的组装通常会引起与尺寸变化相关的困难。有限元建模和PCA用于预测从边缘到水平稳定器的变化传播。发现-在水平稳定器组装系统的案例研究中证明了结合模式拟合方法进行的变异分析并获得了良好的性能。结果表明，FEA和PCA方法能够以可接受的精度预测边缘和后边缘的整体几何变化传播。原创性/价值-这项研究的结果将增进对装配中顺应性部件变形的理解，并有助于系统地提高民用飞机装配中的精确控制效率。

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