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Weibull and lognormal Taguchi analysis using multiple linear regression

机译:使用多元线性回归的Weibull和对数正态Taguchi分析

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The paper provides to reliability practitioners with a method (I) to estimate the robust Weibull family when the Taguchi method (TM) is applied, (2) to estimate the normal operational Weibull family in an accelerated life testing (ALT) analysis to give confidence to the extrapolation and (3) to perform the ANOVA analysis to both the robust and the normal operational Weibull family. On the other hand, because the Weibull distribution neither has the normal additive property nor has a direct relationship with the normal parameters (mu, sigma), in this paper, the issues of estimating a Weibull family by using a design of experiment (DOE) are first addressed by using an L-9 (3(4)) orthogonal array (OA) in both the TM and in the Weibull proportional hazard model approach (WPHM). Then, by using the Weibull/Gumbel and the lognormalormal relationships and multiple linear regression, the direct relationships between the Weibull and the lifetime parameters are derived and used to formulate the proposed method. Moreover, since the derived direct relationships always hold, the method is generalized to the lognormal and ALT analysis. Finally, the method's efficiency is shown through its application to the used OA and to a set of ALT data. (C) 2015 Elsevier Ltd. All rights reserved.
机译:本文为可靠性从业人员提供了一种方法(I),在应用Taguchi方法(TM)时估计鲁棒的Weibull系列;(2)在加速寿命测试(ALT)分析中估计正常运行的Weibull系列,以增强信心。 (3)对稳健和正常运行的Weibull系列进行ANOVA分析。另一方面,由于Weibull分布既不具有正态加性也不与正态参数(mu,sigma)具有直接关系,因此,本文提出了通过实验设计(DOE)估计Weibull族的问题首先通过在TM和Weibull比例风险模型方法(WPHM)中使用L-9(3(4))正交数组(OA)来解决这些问题。然后,通过使用Weibull / Gumbel以及对数正态/正态关系和多元线性回归,推导Weibull与寿命参数之间的直接关系,并用其公式化该方法。此外,由于导出的直接关系始终成立,因此该方法可推广到对数正态和ALT分析。最后,通过将其应用于所使用的OA和一组ALT数据,可以显示该方法的效率。 (C)2015 Elsevier Ltd.保留所有权利。

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