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以有限元分析程序为“抽样工具”，得到叶片应力与其相关因素的一系列抽样值，并利用模糊线性回归方法得到了叶片应力的模糊回归方程．基于模糊应力－随机强度干涉模型，求取了涡轮增压器叶片的模糊可靠度，实例表明该方法是可行的
Using the finite element analysis program as “sampling tool”, a series of sampling values of leaf stress and its related factors were obtained. The fuzzy regression equation of leaf stress was obtained by the method of fuzzy linear regression. Based on the fuzzy stress-stochastic intensity interference model, the fuzzy reliability of the turbocharger blade is obtained. The example shows that this method is feasible