Application of density-based clustering algorithm and capsule network to performance monitoring of antimony flotation process

•An antimony grade prediction model based on CapsNet is proposed for performance monitoring of the flotation process.•An improved DBSCAN algorithm is proposed to denoise the training data set.•The use of CapsNet can solve the problem of the small amount of training data. This paper presents an appli...

Full description

Saved in:
Bibliographic Details
Published in:Minerals engineering Vol. 184; p. 107603
Main Authors: Cen, Lihui, Wu, Yuming, Hu, Jian, Xia, E, Xie, Yongfang, Tang, Zhaohui
Format: Journal Article
Language:English
Published: Elsevier Ltd 30.06.2022
Subjects:
Capsule network
Deep learning
Density-based clustering
Flotation monitoring
Samples denoising
Deep learning
Flotation monitoring
Samples denoising
Capsule network
Density-based clustering
ISSN:0892-6875, 1872-9444
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:•An antimony grade prediction model based on CapsNet is proposed for performance monitoring of the flotation process.•An improved DBSCAN algorithm is proposed to denoise the training data set.•The use of CapsNet can solve the problem of the small amount of training data. This paper presents an application of the capsule network to predict the antimony grade of pulp in the roughing cell of an antimony flotation plant in the Hunan Province, China. In this plant, because the chemical testing for analyzing the antimony grade only generated eight data points every day, data could be collected in small amounts and were mixed with some abnormal images. An improved density-based clustering algorithm is introduced to eliminate abnormal images from the training dataset. To use a small amount of data, a capsule network rather than a CNN is adopted to build the recognition model named Froth-CapsNet. Finally, the application of Froth-CapsNet to monitor the working conditions of the antimony flotation process indicates that this model can provide a guide for operators to precisely adjust the dosage of flotation reagents in real-time so that the antimony recovery rate can be improved.
ISSN:0892-6875
1872-9444
DOI:10.1016/j.mineng.2022.107603