2017
DOI: 10.1371/journal.pone.0186553
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Switching and optimizing control for coal flotation process based on a hybrid model

Abstract: Flotation is an important part of coal preparation, and the flotation column is widely applied as efficient flotation equipment. This process is complex and affected by many factors, with the froth depth and reagent dosage being two of the most important and frequently manipulated variables. This paper proposes a new method of switching and optimizing control for the coal flotation process. A hybrid model is built and evaluated using industrial data. First, wavelet analysis and principal component analysis (PC… Show more

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Cited by 14 publications
(7 citation statements)
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“…Dong et al. used a hybrid model with PCA and SVM for the switching and control of an industrial coal flotation process achieving an increase in the clean coal recovery compared to other control strategies. An extensive review on the use of hybrid models and data‐driven surrogates in flotation processes can be found in .…”
Section: Overview Of the Use Of Hybrid Models In Separation Processesmentioning
confidence: 99%
“…Dong et al. used a hybrid model with PCA and SVM for the switching and control of an industrial coal flotation process achieving an increase in the clean coal recovery compared to other control strategies. An extensive review on the use of hybrid models and data‐driven surrogates in flotation processes can be found in .…”
Section: Overview Of the Use Of Hybrid Models In Separation Processesmentioning
confidence: 99%
“…The problem of low-quality coal has been addressed in various ways. For instance, coal quality is controlled using various techniques such as floatation [5,6], [7,8] and fuel rearrangement control considering burnup [9,10]. It is imperative to continuously monitor the quality of the coal supplied to thermal power plants as the quality of coal significantly impacts the efficiency of power plants [11].…”
Section: Literature Reviewmentioning
confidence: 99%
“…In the monitoring and control of froth flotation, a key step is to analyze froth images. The size and distribution of froth are important parameters for describing flotation conditions [1,2]. Image segmentation is one of the most effective techniques for extracting those features of froth images.…”
Section: Introductionmentioning
confidence: 99%