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Alternative TitleA forewarning method of nitrogen-block in air-separation units based on clustering and fuzzy evaluation
陆云松1,2; 邹涛1,2; 贾洋1,2; 张鑫1,2; 马小龙1,2
Source Publication高校化学工程学报
Indexed ByEI ; CSCD
EI Accession number20193107255034
Contribution Rank1
Funding Organization国家重点研发计划(2017YFB0603703);国家自然科学基金(61773366)
Keyword空分装置 变工况 氮塞 聚类 模糊评价
Other AbstractNitrogen-block often happens in air separation units when working condition changes. A nitrogen-block fault forewarning method based on clustering and fuzzy comprehensive evaluation was proposed in this paper. The clustering method was first used to divide the conditions of air separation unit into several typical working conditions, and then the fuzzy evaluation models for each working condition were established. For online forewarning applications, the current condition was identified through clustering methods and the corresponding fuzzy evaluation model was then used to identify whether nitrogen-block occurs and evaluate its severity in order to forewarn of nitrogen-block fault. The verification results using nitrogen-block historical data of an air separation enterprise demonstrate that the proposed nitrogen-block forewarning method is better than traditional manual method and Principle Component Analysis, and the forewarning time can meet the practical requirement.
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Document Type期刊论文
Corresponding Author邹涛
Recommended Citation
GB/T 7714
陆云松,邹涛,贾洋,等. 基于聚类和模糊评价的空分变工况氮塞预警方法[J]. 高校化学工程学报,2019,33(3):672-679.
APA 陆云松,邹涛,贾洋,张鑫,&马小龙.(2019).基于聚类和模糊评价的空分变工况氮塞预警方法.高校化学工程学报,33(3),672-679.
MLA 陆云松,et al."基于聚类和模糊评价的空分变工况氮塞预警方法".高校化学工程学报 33.3(2019):672-679.
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