门机结构安全性评价指标体系的应用分析

Analysis on Application of Index System of Structural Safety Assessment to Portal Cranes

对基于模糊理论的机械结构裂化指数及安全性评价与预测系统作简要的介绍,分析和研究系统的指标体系。根据实际使用的情况,对指标体系作出修改和完善,并在“16t带斗门机技术状态评价及安全使用期限预测”项目中进行了验证,效果较好。提出用层次分析法(AHP)和人工神经网络方法相结合确定指标体系中权重和状态指数的设想。

The safety evaluation and prediction system for the mechanical structures based on the fuzzy theory and deterioration norm is introduced and analyzed in this paper. Based on the practice, the index system is modified with improvement and verified successfully in a real project. At last, an idea is brought forward for determination of the weights and the state indexes in the index system based on the combination of AHP and the artificial neural networks.