At the last , in accordance with the evaluation , the total loads are allocated to each sub - district . the third is fuzzy - logic - based approximate reasoning method which can consider weights in the premise in rules and a denazification decision - making function 郑州大学硕士论文摘要第三、基于模糊逻辑和近似推理的诀策方法：该方法是一种在知识不完备情况下，能够考虑推理前提重要性的、基于模糊逻辑的近似推理和决策的新方法。
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The gpss have one output and two inputs which are speed error and its derivative . selecting triangular function as fuzzy variable ' s membership function , mamdani max - min synthetic method as fuzzy inference method and centroid method as denazification method , fuzzy control rules are given according to the control expectation of governor and the experience of operating staff 这种模糊gpss采用二输入单输出结构，以机组转速误差及其导数为输入量，以三角形函数作为模糊量的隶属函数，根据水电机组稳定控制要求和操作人员的经验制定控制规则，以mamdani的max - min合成法和重心法分别作为模糊推理方法和清晰化方法。
