Automation in the mining industry: Review of technology, systems, human factors, and political risk

WP Rogers, MM Kahraman, FA Drews, K Powell… - Mining, metallurgy & …, 2019‏ - Springer
In the opinion of these authors, technology alone can never give an organization an edge
over competitors or provide an industry step change. However, history has shown that …

Dual particle filters for state and parameter estimation with application to a run-of-mine ore mill

LE Olivier, B Huang, IK Craig - Journal of Process Control, 2012‏ - Elsevier
Measurements are not readily available for grinding mills owing to the nature of the milling
operation. State and parameter estimation for a grinding mill which forms part of a run-of …

Model-plant mismatch detection and model update for a run-of-mine ore milling circuit under model predictive control

LE Olivier, IK Craig - Journal of Process Control, 2013‏ - Elsevier
The performance of a model predictive controller depends on the quality of the plant model
that is available. Often parameters in a run-of-mine (ROM) ore milling circuit are uncertain …

Fractional order and BICO disturbance observers for a run-of-mine ore milling circuit

LE Olivier, IK Craig, YQ Chen - Journal of Process Control, 2012‏ - Elsevier
Grinding mill circuits are hard to control due to poor plant models, large external
disturbances, uncertainties from internal couplings, and process variables that are difficult to …

Model-plant mismatch detection for a plant under Model Predictive Control: A grinding mill circuit case study

HK Mittermaier, JD le Roux, LE Olivier, IK Craig - IFAC-PapersOnLine, 2023‏ - Elsevier
This articles investigates two different techniques of identifying model-plant mismatch for a
grinding mill circuit under model predictive control. A previous attempt at model-plant …

Grinding mill modeling and control: past, present and future

IK Craig - Proceedings of the 31st Chinese Control Conference, 2012‏ - ieeexplore.ieee.org
This paper addresses issues relating to the modeling and control of grinding mill circuits as
used in minerals processing, with a particular emphasis on (semi) autogenous grinding or …

Model-Plant Mismatch Diagnosis Using Plant Model Ratios for a Grinding Mill Circuit Under Model Predictive Control

HK Mittermaier - 2023‏ - search.proquest.com
In the context of a mineral processing plant, the process of separating valuable materials
from ore encompasses several sequential stages. The first stage of the process includes the …

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

LE Olivier, IK Craig, YQ Chen - IEEE Africon'11, 2011‏ - ieeexplore.ieee.org
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 …

[ספר][B] Peripheral control tools for a run-of-mine ore milling circuit

LE Olivier - 2011‏ - search.proquest.com
Run-of-mine ore milling circuits are generally difficult to control owing to the presence of
strong external disturbances, poor process models and the unavailability of important …

Deteção de divergências entre o processo eo modelo utilizado no controlador preditivo.

MV Loeff - 2014‏ - teses.usp.br
Um dos desafios que ainda precisa ser superado com o objetivo de melhorar o
desempenho do controle preditivo (MPC) é a sua manutenção. Reidentificação do processo …