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基于聚类和模糊评价的空分变工况氮塞预警方法
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
Department工业控制网络与系统研究室
Source Publication高校化学工程学报
ISSN1003-9015
2019
Volume33Issue:3Pages:672-679
Indexed ByEI ; CSCD
EI Accession number20193107255034
CSCD IDCSCD:6514716
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
Abstract针对空分装置变工况过程容易发生氮塞故障的问题,提出一种基于聚类和模糊综合评价的氮塞故障预警方法。首先,利用聚类方法将空分装置变工况过程划分为多个典型工况,然后分别建立各工况的模糊评价模型。在线预警时,通过聚类方法对系统工况进行识别,利用相应的模糊评价模型判断空分装置是否发生氮塞以及氮塞的严重程度,从而实现对氮塞故障的预警。利用某空分企业氮塞故障历史数据的验证结果表明,所提出的氮塞预警方法优于传统人工判断和主元分析方法,且预警提前量可达到实用化要求。
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.
Language中文
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/25223
Collection工业控制网络与系统研究室
Corresponding Author邹涛
Affiliation1.中国科学院沈阳自动化研究所
2.中国科学院机器人与智能制造创新研究院
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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