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管道风险评估是管道风险管理的重要组成部分,其目的是通过对风险的调查和分析,识别可能导致管道事故的重要因素,使得管道风险管理更加科学化。为了对管道日常运行状态风险进行准确评估,提出了一种利用人工蜂群算法优化的支持向量机(Support Vector Machine,SVM)管道安全风险评估方法:建立管道风险评估模型,从工艺运行角度收集了成品油管道、正反输原油管道、掺混输送原油管道的工艺运行特征,并形成了样本特征集合。对4种类型管道特征集合进行试验,结果表明:在小样本情况下,采用基于人工蜂群算法优化的SVM管道风险评估方法正确率较高,并具有良好的普遍适用性,能够根据管道实际运行状态给出正确的风险评估结果。
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