当输入偏差大于或小于设定值时，采用模糊结构或PI结构进行控制。
If the input deviation is greater or less than the given value, the fuzzy structure or PI structure is adopted to control the plant.
提出了模糊结构体系主要失效模式的识别方法，和结构体系的能度可靠性分析方法。
An approach for enumerating the significant failure mode for fuzzy structures, and a procedure for possibilistic reliability analysis of fuzzy structural systems were given.
本文依据模糊变分原理以及峰型模糊数的运算法则，建立了模糊结构分析的数值理论和方法。
This dissertation established numerical methods in the fuzzy structural analysis on the basis of fuzzy variational principle and peak fuzzy number.
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