Considering the uncertainties involved in model updating, an FEM updating method using fuzzy interval analysis is proposed.

考虑模型修正中不确定性因素对修正结果的影响，提出了基于模糊区间分析的模型修正技术。

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There are several mathematical models in present researches or applications about uncertain structural analysis, such as stochastic model, fuzzy model, convex model and interval one etc.

现在结构分析中应用的不确定性模型主要有随机模型，模糊模型，凸模型以及区间模型。

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