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Symmetry 2018, 10(6), 216; https://doi.org/10.3390/sym10060216

Fuzzy Association Rule Based Froth Surface Behavior Control in Zinc Froth Flotation

School of Information Science and Engineering, Central South University, Changsha 410083, China
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Received: 30 April 2018 / Revised: 31 May 2018 / Accepted: 7 June 2018 / Published: 13 June 2018
(This article belongs to the Special Issue Novel Machine Learning Approaches for Intelligent Big Data)
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Abstract

Froth flotation is a vital mineral concentration process. Froth surface behavior is the knowledge about flotation working condition. However, in computer vision aided froth surface behavior control, there are still two challenges that need to be tackled seriously. Against the difficulty in the froth surface behavior representation, this paper proposes to combine the bubble size distribution (BSD) and froth velocity distribution. As far as we know, this is the first time that the froth velocity distribution is presented. Against the difficulty in the adaptive generation of the optimal froth surface behavior feature (optimal setpoint), this paper introduces the fuzzy apriori to mine the association rule between the current working condition and the optimal setpoint. Then, a fuzzy inference module is constructed to generate optimal setpoint for current working condition adaptively. Many validation experiments and comparison experiments demonstrate the superiority and robustness of the proposed methods. View Full-Text
Keywords: forth flotation; optimal setpoint; bubble size distribution (BSD); froth velocity distribution; association rule; data mining; model predictive control forth flotation; optimal setpoint; bubble size distribution (BSD); froth velocity distribution; association rule; data mining; model predictive control
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Zhang, J.; Tang, Z.; Ai, M.; Gui, W. Fuzzy Association Rule Based Froth Surface Behavior Control in Zinc Froth Flotation. Symmetry 2018, 10, 216.

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