考虑了约束条件的模糊性和齿轮传动设计的模糊因素 ,根据一定的模糊可靠度要求 ,建立了一个电动葫芦升降减速器的模糊可靠性优化设计数学模型 ,并采用“基因遗传算法 +惩罚函数法”对实例进行了计算 ,较用传统的优化设计方法所得设计结果更优 ,更具经济实用性 Considering the fuzziness of the constraints and the fuzzy factors of gear drive design, a mathematical model of fuzzy reliability optimization design for the electric hoist hoist and reducer is established according to the fuzzy reliability requirements. The genetic algorithm + penalty function method "The examples were calculated, compared with the traditional method of optimal design results obtained better, more economical and practical