• CARA : convolutional autoencoders for the detection of radio anomalies 

  Brand, Kevin; Grobler, Trienko L.; Kleynhans, Waldo (Oxford University Press, 2025-02)

  With the advent of modern radio interferometers, a significant influx in data is expected. This influx will render the manual inspection of samples infeasible and thus necessitates the development of automated approaches ...
• Optimal decarbonisation pathway for mining truck fleets 

  Yu, Gang; Ye, Xianming; Ye, Yuxiang; Huang, Hongxu; Xia, Xiaohua (KeAi Communications, 2024-09)

  The fossil fuel powered mining truck fleets can contribute up to 80% of total emissions in open pit mines. This study investigates the optimal decarbonisation pathway for mining truck fleets. Notably, our proposed pathway ...
• Integrating demand response with unit commitment in insular microgrid considering forecasting errors and battery storage 

  Swami, Rekha; Gupta, Sunil Kumar; Bansal, Ramesh C. (Wiley, 2024-07)

  In this paper, DR programs are integrated with the unit commitment economic dispatch model for a single day to lower total operating costs for an insular microgrid. The proposed model takes into account the forecasting ...
• Multi agent framework for consumer demand response in electricity market : applications and recent advancement 

  Saini, Vikas K.; Kumar, Rajesh; Sujil, A.; Bansal, Ramesh C.; Ghenai, Chaouki; Bettayeb, Maamar; Terzija, Vladimir; Gryazina, Elena; Vorobev, Petr (Elsevier, 2024-12)

  Smart grid can offer load sharing and utilize distributed energy resources to reduce energy consumption costs and potentially earn revenue through energy services. Information and communication technologies (ICT) in the ...
• Time based stiction compensation 

  Gous, Gustaf Zacharias; Le Roux, Johan Derik; Craig, Ian Keith (Elsevier, 2024)

  Sticking valves tend to cause cycles in control systems used in industry, degrading product quality and yield. Many attempts have been made to alleviate the impact of stiction. Mechanical knockers are used with success ...
• The effect of disturbances on plant-model mismatch detection using the plant-model ratio : a surge tank case study 

  Mittermaier, Heinz Karl; Le Roux, Derik; Craig, Ian Keith (Elsevier, 2024)

  The surge tank in a bulk tailings treatment plant aims to reject flow and density disturbances. However, for large disturbances, there may be an inversion in the gain between the water inflow and tank slurry density for ...
• Stability-constrained contingency analysis for modern power systems 

  Ratnakumar, Rajan; Venayagamoorthy, Ganesh Kumar (Elsevier, 2024)

  Modern power systems comprise diverse nonlinear components, and an increasingly large number of low inertia renewable power sources necessitate the modernization of conventional power system security measures. Contingency ...
• Non-linear model predictive control to improve the mineralogical efficiency of flotation circuits 

  Oosthuizen, Dirk Johannes Jacobus; Le Roux, Johan Derik; Craig, Ian Keith (Elsevier, 2024)

  Flotation optimisation strategies often trade off grade for recovery, without attempting to improve the mineralogical efficiency of the flotation process as part of the automatic control and optimisation strategy. Non-linear ...
• Model-plant mismatch detection using the plant-model ratio : the influence of multivariable systems containing both fast and slow dynamics 

  Mittermaier, Heinz Karl; Le Roux, Johan Derik; Craig, Ian Keith (Elsevier, 2024)

  The plant-model ratio, developed to diagnose model-plant mismatch present in model-based controllers, inherits the same limitations from the frequency-based analysis that the method is based on. Nonetheless, the plant-model ...
• Modelling of consumer dynamics to improve fuel gas blending control 

  Sibiya, M.D.; Wiid, Andries Johannes; Le Roux, Johan Derik; Craig, Ian Keith (Elsevier, 2024)

  Although fuel gas systems represent a large part of industrial chemical processes, there has been limited literature on their modelling and control. The available literature typically neglects the effects of fuel gas ...
• Automatic tuning of level controllers in a flotation bank using Bayesian optimisation 

  Richter, Albertus Viljoen; Le Roux, Derik; Craig, Ian Keith (Elsevier, 2024)

  A flotation bank consisting of 6 cells in series under Single-Input-Single-Output (SISO) Proportional Integral (PI) level control is automatically tuned using Bayesian Optimisation (BO). Open loop step tests from the valve ...
• Current steering with sequential stimulation in cochlear implants 

  Roux, Johanie (University of Pretoria, 2017-12)

  Current steering has been proposed to increase place pitch resolution in cochlear implant (CI) users. Many studies have shown that a current steering effect can be achieved when simultaneous stimulation is used (Koch, ...
• Viability of cochlear travelling wave signal processing for cochlear implants 

  Schmidt, Larry (University of Pretoria, 2016-02)

  English: The travelling wave encodes acoustic information by stimulating the auditory nerve fibres. Understanding the travelling wave and its process is important for the development of cochlear implants speech processors. ...
• Signal processing by octopus cells for acoustic and electrical hearing : a modelling study 

  Blignaut, Gertruida Elizabeth (University of Pretoria, 2016-07)

  A computational model of a single octopus cell as well as a population of octopus cells was developed. The models were used to investigate the ability of octopus cells to compensate for the travelling wave delay, remove ...
• Modelling cross-polarisation patterns of axially-symmetrical monopulse antennas for cross-polarisation jamming analysis 

  Mosoma, Khahliso; Du Plessis, W.P. (Warren Paul) (Institute of Electrical and Electronics Engineers, 2025)

  Most radar systems do not consider the situation where the return is dominated by the polarisation orthogonal to the polarisation transmitted by the radar. A cross-polarisation jammer exploits this limitation by transmitting ...
• The effect of temperature on household hourly electricity consumption : evidence from South Africa 

  Ye, Yuxiang; Koch, Steven F.; Ye, Xianming (Elsevier, 2025-03)

  Climate change is expected to negatively affect Africa, possibly leading to increased energy needs. However, meeting that need could prove problematic; more than a decade of load-shedding in South Africa is suggestive in ...
• TCP congestion control algorithm using queueing theory-based optimality equation 

  Ngwenya, Dumisa Wellington; Hlophe, Mduduzi Comfort; Maharaj, Bodhaswar Tikanath Jugpershad (MDPI, 2025-01)

  Internet congestion control focuses on balancing effective network utilization with the avoidance of congestion. When bottleneck bandwidth and network buffer capacities are exceeded, congestion typically manifests as packet ...
• Bayesian optimization for automatic tuning of a MIMO controller of a flotation bank 

  Richter, Albertus Viljoen; Le Roux, Johan Derik; Craig, Ian Keith (Elsevier, 2025-03)

  flotation bank consisting of 6 cells in series where each level is controlled by a Proportional–Integral (PI) controller is tuned using Bayesian Optimization (BO) in simulation. A Multi-Input–Multi-Output (MIMO) inventory ...
• Interpretable heart disease detection model for IoT-enabled WBAN systems 

  Olatinwo, Damilola D.; Abu-Mahfouz, Adnan Mohammed; Hancke, Gerhard P.; Myburgh, Hermanus Carel (Institute of Electrical and Electronics Engineers, 2025-02)
• Adaptive resource allocation and mode switching for D2D networks with imperfect CSI in AGV-based factory automation 

  Gbadamosi, Safiu Abiodun; Hancke, Gerhard P.; Abu-Mahfouz, Adnan Mohammed (Institute of Electrical and Electronics Engineers, 2025-01)

  In industrial factory automation and control system, reliable communication for automated guided vehicles (AGVs) in dynamic, interference laden factory settings are essential particularly for real-time operations. ...

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