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Permanent link (DOI): https://doi.org/10.7939/R3T43J89C

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Real-Time Updating of a Dynamic Fundamental Model for Froth Flotation Process Open Access

Descriptions

Other title
Subject/Keyword
Dynamic Modelling
Extended Kalman Filter
Froth Flotation
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Sekhavat, Masih
Supervisor and department
Dubljevic, Stevan (Chemical and Materials Engineering)
Prasad, Vinay (Chemical and Materials Engineering)
Examining committee member and department
Huang, Biao (Chemical and Materials Engineering)
Department
Department of Chemical and Materials Engineering
Specialization
Process Control
Date accepted
2014-01-27T09:06:05Z
Graduation date
2014-06
Degree
Master of Science
Degree level
Master's
Abstract
Froth flotation is one of the most common methods in the mineral industry for selective extraction of a small fraction of desired mineral from a finely mixed ground ore. This work explores the development of a fundamental dynamic model for froth flotation with parameters of the model being estimated and updated online with applicable techniques such as extended Kalman filtering. In the first step, a fundamental dynamic model was proposed and then a series of flotation experiments in a JK Tech batch flotation cell were designed and performed by the Fractional Factorial Design method. In the second step, the developed model was reconciled with dynamic data from the batch flotation cell, and model parameters were estimated and updated on-line using extended Kalman filtering. Results show the applicability of the Kalman filter estimator for tracking changes in operational conditions and in parameter estimation when disturbances were applied to the system.
Language
English
DOI
doi:10.7939/R3T43J89C
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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