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The modified exponentiated-Weibull distribution for life-time modeling

机译：终生建模的改进指数幂Weibull分布

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The so-called "exponentiated Weibull distribution" has been offered as a simple generalization of the Weibull distribution. It is well suited for modeling bathtub failure rate lifetime data. A modified version of this distribution is presented to meet the problem of bandlimited input data on failure times. This is seen to yield a more pessimistic MTBF value which is more realistic in case of lack of information. The use of the new distribution for lifetime modeling of a bathtub type distribution is demonstrated using experimental data. A closed form series expansion is also supplied to exhibit the dependence of the MTBF upon the parameters of the distribution. This is shown to yield an upper bound on the value of the MTBF. In some cases it may serve as an efficient approximation for its evaluation.
机译：所谓的“指数威布尔分布”已经被提供为威布尔分布的简单概括。它非常适合对浴缸失效率寿命数据进行建模。提出了此发行版的修改版本，以解决关于故障时间的带限输入数据的问题。可以看出这会产生更悲观的MTBF值，在缺乏信息的情况下更现实。使用实验数据演示了如何将新分布用于浴缸类型分布的寿命模型。还提供了封闭形式的级数展开，以显示MTBF对分布参数的依赖性。这显示出产生MTBF值的上限。在某些情况下，它可以作为对其评估的有效近似。

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