基于改进PCA与有序多分类Logistic的充填管道磨损风险评估

王石,汤艺,冯萧

Risk Assessment of Filling Pipeline Wearing Based on Improved PCA and Ordered Multi-class Logistic

Shi WANG,Yi TANG,Xiao FENG

表6 4个矿山管道磨损风险等级概率

Table 6 Pipeline wear risk rating for four mines

矿山名称 各风险等级概率 Ⅰ Ⅱ Ⅲ Ⅳ 金川龙首矿 0.247 0.440 0.154 0.153 大红山铜矿 0.179 0.240 0.323 0.258 河东金矿 0.181 0.227 0.345 0.247 新城金矿 0.170 0.230 0.418 0.182