基于突变级数法的离心泵机组安全评价模型
发布时间：2018-10-14 16:23
【摘要】：为研究层次分析法在安全评价中权重确定受主观因素影响较大的问题,提出将突变理论和模糊数学相结合的突变级数评价模型。模型考虑离心泵机组的结构、故障模式及人员管理等因素建立多层次评价指标体系,并结合模糊数学确定底层指标的隶属函数矩阵;利用突变级数法对各指标进行标准化和归一化处理;将底层指标隶属函数矩阵逐级量化递归得到总突变隶属矩阵。研究结果表明:此离心泵机组的最大总突变隶属函数值达到了0.961 9,即为"良好"。但同时也发现第一级与第二级相差不大,说明只要采取一定的安全措施,就可提高此离心泵的安全性。分析结果与实际情况相符合。
[Abstract]:In order to study the problem that the weight of AHP in safety evaluation is greatly influenced by subjective factors, a catastrophe series evaluation model combining mutation theory with fuzzy mathematics is proposed. Considering the structure, fault mode and personnel management of centrifugal pump unit, the multi-level evaluation index system is established, and the membership function matrix of bottom index is determined with fuzzy mathematics. The method of abrupt series is used to standardize and normalize each index, and the subclass index membership function matrix is recursively quantized to obtain the total mutation membership matrix. The results show that the maximum total abrupt membership function of this centrifugal pump unit is 0.961, which is "good". But at the same time, the difference between the first stage and the second stage is not different, which indicates that the safety of the centrifugal pump can be improved if some safety measures are taken. The results of the analysis are in agreement with the actual situation.
【作者单位】： 中国石油大学(北京)机械与储运工程学院;中国石化销售有限公司华南分公司;
【基金】：国家重点研发项目(2017YFC0805803) 国家自然科学基金项目(51674277)
【分类号】：TE974.1
本文编号：2270989
[Abstract]:In order to study the problem that the weight of AHP in safety evaluation is greatly influenced by subjective factors, a catastrophe series evaluation model combining mutation theory with fuzzy mathematics is proposed. Considering the structure, fault mode and personnel management of centrifugal pump unit, the multi-level evaluation index system is established, and the membership function matrix of bottom index is determined with fuzzy mathematics. The method of abrupt series is used to standardize and normalize each index, and the subclass index membership function matrix is recursively quantized to obtain the total mutation membership matrix. The results show that the maximum total abrupt membership function of this centrifugal pump unit is 0.961, which is "good". But at the same time, the difference between the first stage and the second stage is not different, which indicates that the safety of the centrifugal pump can be improved if some safety measures are taken. The results of the analysis are in agreement with the actual situation.
【作者单位】： 中国石油大学(北京)机械与储运工程学院;中国石化销售有限公司华南分公司;
【基金】：国家重点研发项目(2017YFC0805803) 国家自然科学基金项目(51674277)
【分类号】：TE974.1
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