期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 52, 期 50, 页码 18022-18030出版社
AMER CHEMICAL SOC
DOI: 10.1021/ie402243s
关键词
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资金
- Project 863 of China [2011AA060204]
- National Natural Science Foundation of China [61074074, 61174130, 61374146]
- Fundamental Research Funds for the Central Universities [N120404020]
- IAPI Fundamental Research Funds [2013ZCX02-04]
To pursue optimal comprehensive economic benefit, the process operating performance assessment on optimality becomes more and more critical for industrial processes. In this article, a novel method for online fuzzy assessment of the process operating performance and cause identification of nonoptimal performance grades is proposed. The contributions of this paper are summarized as follows: a new performance grade classification and identification method for modeling data is proposed; then, the assessment models for different performance grades are established through extracting the process variable correlation characteristics, which effectively avoids redundant information and provides the reference standards for online assessment; in addition, besides the deterministic assessment results, such as optimal, suboptimal, etc., the performance grade conversion is also evaluated; when the process operating performance is nonoptimal, the responsible variables are identified based on the variable contributions. Finally, the feasibility and efficiency of the proposed method is illustrated with a case of gold hydrometallurgical process.
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