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图解法是求解Ｗｅｉｂｕｌ分布中３个可调参数的传统方法。但参数的推求过程要图解试求，反复调整，最后结果往往不是最佳拟合参数；线性最小二乘法是最近几年提出的一种求解Ｗｅｉｂｕｌ分布参数的方法，但其精度受位置参数初始迭代值的影响很大。文中运用麦奎尔特法推求Ｗｅｉｂｕｌ分布的参数，实现了参数推求的一举寻优。算例表明，拟合方法可行实用，拟合精度明显提高。
Schematic method is the traditional method to solve three adjustable parameters in Weibul distribution. However, the process of deducing the parameters should be illustrated and repeated, and the final result is often not the best fit parameter. The linear least squares method is a method proposed in recent years to solve Weibull distribution parameters. However, its accuracy is affected by the initial iteration of position parameters The value of a great impact. In this paper, the parameters of Weibul distribution are estimated by using the McQueen method, and the optimization of parameters is achieved. The example shows that the fitting method is feasible and practical, and the fitting accuracy is obviously improved.