NDLI: Fractional order disturbance observer for a run-of-mine ore milling circuit

Content Provider	IEEE Xplore Digital Library
Author	Olivier, L.E. Craig, I.K. YangQuan Chen
Copyright Year	2011
Description	Author affiliation: Dept. of Electrical, Electronic & Computer Eng'g, University of Pretoria, 0002, South Africa (Olivier, L.E.; Craig, I.K.) \|\| CSOIS, Electrical & Computer Engineering Dept., Utah State University, 4120 Old Main Hill, Logan, 84322, USA (YangQuan Chen)
Abstract	Grinding mill circuits are hard to control with high performance due to poor modeling, large external disturbances, and uncertainties from internal couplings. This paper proposes a novel fractional order disturbance observer (FO-DOB) for a run-of-mine (ROM) ore milling circuit. A fractional order low pass filter (Q-filer) is used in the DOB to offer an additional degree of freedom in tuning for set-point tracking performance and disturbance rejection performance. A 3×3 linear time invariant MIMO plant model is used for evaluation of the performance gained over other commonly used controllers such as PID and MPC. The simulation results show that the FO-DOB scheme offers promising potential in real world ROM milling circuit implementations.
Starting Page	1
Ending Page	6
File Size	961213
Page Count	6
File Format	PDF
ISBN	9781612849928
ISSN	21530033
e-ISBN	9781612849935
DOI	10.1109/AFRCON.2011.6072077
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-13
Publisher Place	Zambia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Milling Observers Integrated circuit modeling Tuning Read only memory Predictive models Process control
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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