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Wiid, A.J., J.D. le Roux, and I. K. Craig, Pressure Buffering Control to Reduce Pollution and Improve Flow Stability in Industrial Gas Headers, Control Engineering Practice, vol. 115, 2021, Article 104904.
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Oosthuizen, D.J., J.D. le Roux, and I. K. Craig, A dynamic flotation model to infer process characteristics from online measurements, Minerals Engineering, Vol. 167, 2021, Article 106878.
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Wiid, A.J., J.D. le Roux, and I. K. Craig, Pressure Measurement Location Selection in Industrial Gas Headers for Buffering Control, Computers & Chemical Engineering, 107178, 2021.
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Wiid, A.J., J.D. le Roux, and I. K. Craig, Modelling of Methane-Rich Gas Pipeline Networks for Simulation and Control, Journal of Process Control, Vol. 92, 2020, pp. 234-245.
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Le Roux, J.D., Steinboeck, A., Kugi, A., and Craig, I.K., Steady-state and dynamic simulation of a grinding mill using grind curves, Minerals Engineering, Vol. 152, 2020, Article 106208.
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Viljoen, J.H., Muller, C.J., and Craig, I.K., Hybrid non-linear model predictive control of a cooling water network, Control Engineering Practice, Vol. 97, 2020, Article 104319.
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Sun, B., Yang, C., Wang, Y., Gui, W., Craig, I., and L. Olivier, A comprehensive hybrid first principles/machine learning modeling framework for complex industrial processes, Journal of Process Control, Vol. 86, 2020, pp. 30–43.
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Meyer, E.J., Olivier, M.C., Matumba L., and Craig I.K., Model predictive control simulation, implementation and performance assessment of a coal comminution circuit, Minerals Engineering, Vol. 144, 2019, 106024. Video describing the implementation is available from: https://www.ge.com/digital/customers/exxaro-and-wabtec-bump-throughput-coal-operation
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Le Roux, J.D. and Craig, I.K., A plant-wide control framework for a grinding mill circuit, Vol. 58, 2019, pp.11585–11600.
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Botha, S., Le Roux, J.D., and Craig, I.K., Hybrid non-linear model predictive control of a run-of-mine ore grinding mill circuit, Minerals Engineering, Vol. 123, 2018, pp.49–62.
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Viljoen, J.H., Muller, C.J., and Craig, I.K., Dynamic Modelling of Induced Draft Cooling Towers with Parallel Heat Exchangers, Pumps and Cooling Water Network, Journal of Process Control, Vol. 68, 2018, pp.34–51.
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Olivier, L.E. and Craig, I.K., Should I Shut down my Processing Plant? - An Analysis in the Presence of Faults, Journal of Process Control, Vol. 56, 2017, pp. 35–47.
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Muller, C.J., and Craig, I.K., Economic Hybrid Non-linear Model Predictive Control of a Dual Circuit Induced Draft Cooling Water System, Journal of Process Control, Vol. 53, 2017, pp. 37–45. http://dx.doi.org/10.1017/j.jprocont.2017.02.009.
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Le Roux, J.D., Steinboeck, A., Kugi, A., and Craig, I.K., An EKF observer to estimate semi-autogenous grinding mill hold-ups, Journal of Process Control, Vol. 51, 2017, pp. 27–41. http://dx.doi.org/10.1016/j.jprocont.2016.12.006.
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Le Roux, J.D., Olivier, L.E., Naidoo, M.A., Padhi, R., and Craig, I.K., Throughput and product quality control for a grinding mill circuit using Nonlinear MPC, Journal of Process Control, Vol. 42, 2016, pp. 35-50. DOI: 10.1016/j.jprocont.2016.04.007.2016.
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Muller, C.J., and Craig, I.K., Energy Reduction for a Dual Circuit Cooling Water System Using Advanced Regulatory Control, Applied Energy, Vol. 171, 2016, pp. 287-295.
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Olivier, L.E. and Craig, I.K., Development and application of a model-plant mismatch expression for linear time-invariant systems, Journal of Process Control, Vol. 32, 2015, pp. 77-86.
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Meyer, E.J., and Craig, I.K., Dynamic model for a coal dense medium drum separator in coal beneficiation, Minerals Engineering, Vol. 77, 2015, pp. 78-85.
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Muller, C.J., and Craig, I.K., Modelling of a Dual Circuit Induced Draft Cooling Water System for Control and Optimisation Purposes, Journal of Process Control, Vol. 25, No. 1, 2015, pp. 105-114.
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Le Roux, J.D., Padhi, R., and Craig, I.K., Optimal Control of Grinding Mill Circuit using Model Predictive Static Programming: A New Nonlinear MPC Paradigm, Journal of Process Control, Vol. 24, No. 12, 2014, pp. 29-40.
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Meyer, E.J., and Craig, I.K., Coal dense medium separation dynamic and steady-state modelling for process control, Minerals Engineering, Volumes 65, 2014, pp. 98-108.
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Le Roux, J.D. and Craig, I.K., Reducing the number of size classes in a cumulative rates model used for process control of a grinding mill circuit, Powder Technology, Vol. 246, Sep. 2013, pp. 169-181.
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Matthews, B., Craig, I.K., Demand Side Management of a Run-of-Mine Ore Milling Circuit, Control Engineering Practice, Vol. 21, No. 6, 2013, pp. 759-768.
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Le Roux, J.D., Craig, I.K., D.G. Hulbert, and A.L. Hinde, Analysis and validation of a run-of-mine ore grinding mill circuit model for process control, Minerals Engineering, Volumes 43–44, 2013, pp. 121-134.
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Olivier, L.E. and Craig, I.K., Model-plant mismatch detection and model update for a run-of-mine ore milling circuit under model predictive control, Journal of Process Control, Vol. 23, No. 1, 2013, pp. 100-107.
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Ricker, N.L, Muller, C.J., and Craig, I.K., Fuel-gas blending benchmark for economic performance evaluation of advanced control and state estimation. Journal of Process Control, Vol. 22, No. 6, 2012, pp. 968-974. For downloadable code see: http://faculty.washington.edu/ricker/Blending_Benchmark/Benchmark.htm
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Craig, I.K., Grinding mill modelling and control: past, present and future, Plenary Lecture, 31st Chinese Control Conference, Hefei, China, 25-27 Jul. 2012.
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Olivier, L.E., Huang, B., and Craig, I.K., Dual particle filters for state and parameter estimation with application to a run-of-mine ore mill, Journal of Process Control, Vol. 22, No. 4, 2012, pp. 710-717.
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Olivier, L.E., Craig, I.K., and Y.Q. Chen, Fractional Order and BICO Disturbance Observers for a Run-of-Mine Ore Milling Circuit, Journal of Process Control, Vol. 22, No. 1, 2012, pp. 3-10.
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Muller, C.J., Craig, I.K., and Ricker, N.L., Modelling, Validation, and Control of an Industrial Fuel Gas Blending System, Journal of Process Control, Vol. 21, No. 6, 2011, pp. 852-860.
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Meyer, E.J., and Craig, I.K., The development of dynamic models for a dense medium separation circuit in coal beneficiation, Minerals Engineering, Vol. 23, No. 10, 2010, pp. 791–805.
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Coetzee, L.C., Craig, I.K., and Kerrigan, E.C., Robust model predictive control of a run-of-mine ore milling circuit. IEEE Transactions on Control Systems Technology, Vol. 18, No. 1, Jan. 2010, pp. 222-229.
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Wei, D., and Craig, I.K., Economic performance assessment of two ROM ore milling circuit controllers. Minerals Engineering, Vol. 22, No. 9-10, 2009, pp. 826-839.
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Wei, D., Craig, I.K., Grinding Mill Circuits - A Survey of Control and Economic Concerns, International Journal of Mineral Processing, Vol. 90, No.1-4, 16 Feb. 2009, pp. 56-66.
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Bauer, M., and Craig, I.K., Economic assessment of advanced process control - A survey and framework, Journal of Process Control, Vol. 18, No. 1, 2008, pp. 2-18.
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Bauer, M., Craig, I.K., Tolsma, E., and de Beer, H., A profit index for assessing the benefits of process control, Industrial & Engineering Chemistry Research, Vol. 46, No. 17, 2007, pp. 5614-5623.
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Oosthuizen, D.J., Craig, I.K., and Pistorius, P.C., Economic evaluation and design of an Electric Arc Furnace controller based on economic objectives, Control Engineering Practice, Vol. 12, No. 3, 2004, pp. 253-265.
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Craig, I.K., and Koch, I., Experimental design for the economic performance evaluation of industrial controllers, Control Engineering Practice, Vol. 11, No. 1, 2003, pp. 57-66.
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Craig I.K., and Henning, R.G.D., Evaluation of advanced industrial control projects: a framework for determining economic benefits, Control Engineering Practice, Vol. 8, No. 7, 2000, pp. 769-780.
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Bekker, J.G., Craig, I.K., and Pistorius, P.C., Modeling and simulation of an electric arc furnace off-gas process, ISIJ International, Vol. 39, No.1, 1999, pp. 23-32.
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Olivier, L.E., Botha, S. and Craig, I.K., Optimized lockdown strategies for curbing the spread of COVID-19: A South African case study, IEEE Access. Vol. 8, 2020, pp. 205755-205765. 10.1109/ACCESS.2020.3037415
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Olivier, L.E., and Craig, I.K., An epidemiological model for the spread of COVID-19: A South African case study, 2020. https://arxiv.org/abs/2005.08012 .
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Küsel, R.R., Craig, I.K., and Stolz, A.C., Modelling the airborne infection risk of tuberculosis for a research facility in eMalahleni, South Africa, Risk Analysis, Vol. 39, No. 3, 2019, pp. 630-646.
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du Toit, E.F. and Craig I.K., Selective pinning control of the average disease transmissibility in an HIV contact network, Physical Review E, Vol. 92, 012810, 2015.
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du Toit, E.F. and Craig, I.K., Quantifying the Impact of Two Pinning Control Strategies on HIV Incidence, IFAC Proceedings Volumes, Volume 47, Issue 3, 2014, pp. 7511-7516. DOI: 10.3182/20140824-6-ZA-1003.01005
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Craig, I.K., HIV/AIDS therapy as a control engineering problem, Plenary Lecture, 2nd International Conference on Advances in Control and Optimization of Dynamical Systems, Bangalore, India, 16-18 Feb. 2012.
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Jeffrey, A.M., Xia, X., and Craig, I.K., Structured Treatment Interruptions: A control mathematical approach to protocol design, Journal of Process Control, Vol. 17, No. 7, 2007, pp. 586-590.
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Doyle III, F.J., Jovanovic, L., Seborg, D.E., Parker, R.S., Bequette, B.W., Jeffrey, A.M., Xia, X., Craig, I.K., and Mc Avoy, T.J., A tutorial on biomedical process control, Journal of Process Control, Vol. 17, No. 7, 2007, pp. 571-572.
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Craig, I.K., and Xia, X., Can HIV/AIDS be controlled?, IEEE Control Systems Magazine, February 2005, pp. 80-83.
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Craig, I.K., Xia, X., and Venter, J.W., Introducing HIV/AIDS Education into the Electrical Engineering Curriculum at the University of Pretoria, IEEE Transactions on Education, Vol. 47, No. 1, 2004, pp. 65-73. This paper is used extensively as a Progressive Analysis and Design Problem in the textbook “Control Systems Engineering” by Norman S. Nise, 5th Edition, John Wiley and Sons, 2008.
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Jeffrey, A.M., Xia, X., and Craig, I.K., When to Initiate HIV Therapy: A Control Theoretic Approach, IEEE Transactions on Biomedical Engineering, Vol.50, No. 11, 2003, pp. 1213- 1220.
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