Analyse how to apply probabilistic influence diagram to solve some problems during FSA, put forward a workable utility algorithm, and compare probabilistic influence diagram with the current common method in FSA.

• 并分析了在FSA过程中，如何采用概率影响图分析问题，并给出了一种实用可行的算法，最后对概率影响图与现行FSA中的常用方法武汉理_l_大学博士学位论文进行了比较。