为提升猪肉产品流通过程的可靠性,提出将GO法引入猪肉产品流通全过程的可靠性研究中。首先建立猪肉产品流通全过程结构模型,对生猪养殖、屠宰加工、储运销售环节的影响因素进行诊断;然后运用GO法原理,将猪肉产品流通全过程转换成GO图模型,借助频数统计法和模糊层次分析法确定各影响因素的故障概率,对猪肉产品流通全过程可靠性进行精确计算;最后对猪肉产品流通全过程的可靠性进行直接定性分析和重要度计算,找出影响猪肉产品流通全过程可靠性的重要因素。通过对猪肉产品流通全过程可靠性进行定量计算和定性分析结果的比较,证明GO法在猪肉产品流通全过程可靠性分析的有效性及优越性。
In order to improve the reliability of the whole circulation process about pork product, GO methodology was applied in the reliability research. First, the structure model of the whole circulation process about pork product was built up, and the influencing factors of each step, including pig- breeding, slaughter-process, storage-transportation and sales, were diagnosed. Secondly, with the GO methodology the whole circulation process about pork product was transformed into the GO chart, and then the failure probability of influencing factors were determined by the method of frequency statistics and fuzzy analytic hierarchy process and the process reliability was calculated in detail. Finally, reliability of the whole circulation process about pork product was analyzed qualitatively and the importance degree of minimal cut sets was calculated so that the main factors influenced the reliability of whole circulation process about pork product were determined. The quantative and qualitative methods were compared and the result showed that the GO method had effectiveness and superior performance in research on reliability of the whole circulation process about pork product.