T s fuzzy control model is established. It has gained favorable control effect for the hydraulic pressure set with nonlinear characteristic.

建立了T - S模糊控制模型，对于具有非线性特性的液压执行机构，控制效果良好。

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Both characteristic quantity of safety grade and its variable are the value obtained from the fuzzy sub-set of safety grade on domain, and are not a definite point.

安全等级特征量及安全等级变量，均为安全等级取值论域上的模糊子集，而并非是一个确定的点。

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By using fuzzy random variable theory and fuzzy set theory, the concept and its calculation method of fuzzy random characteristic quantity of safety grade are put forward.

分别运用模糊随机变量理论和模糊集理论而提出了安全等级模糊随机特征量和安全等级模糊特征量的概念及其计算方法。

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