Faculty of Engineering and Information Technology: Recent submissions

  • Impact of demand profiles on grid-interactive photovoltaic systems in Bloemfontein: A case study 
    Kusakana, Kanzumba (IEEE AFRICON, 2017)
    In this paper the impact brought by different demand sector profiles on the daily operational cost and optimal scheduling of grid connected photovoltaic system with bidirectional power flow is analysed for the specific ...
  • Techno-economic analysis of multiple paralleled diesel generators for micro isolated applications 
    Kusakana, K. (IEEE: International Conference on the Domestic Use of Energy (DUE), 2017)
    This paper analyses the key benefits of a multiple paralleled diesel generator system over a "Single" diesel generator system for supplying small remote and isolated loads. Even though having several small diesel ...
  • Hydro aeropower, an option for electricity cost reduction in farming applications 
    Kusakana, K. (IEEE: International Conference on the Industrial and Commercial Use of Energy (ICUE), 2017)
    This paper develops a model which can be used to minimize the electricity cost of South African farms through the usage of a wind pump with pico hydro generator and a borehole in pumped hydro storage configuration ...
  • IMPACT OF DIFFERENT LOAD PROFILES ON SIZING AND PERFORMANCE OF A MICRO-HYDROKINETIC-BATTERY BASED HYBRID SYSTEM 
    Koko, S.P.; Kusakana, K.; Vermaak, H.J. (Stellenbosch: Conference: Proceedings of the 25th Southern African Universities Power Engineering Conference, 2017)
    Hydrokinetic hybrid systems are gaining more interest since hydrokinetic technology has proved to offer a cost-effective electrification solution. Very few research studies on sizing and optimization of micro-hydrokinetic-battery ...
  • Energy flow modeling between grid and micro-hydrokinetic-pumped hydro storage hybrid system 
    Koko, S.P.; Kusakana, K.; Vermaak, H.J. (IEEE: International Conference on the Industrial and Commercial Use of Energy (ICUE), 2017)
    This paper proposes an optimal energy management model for a grid-connected micro-hydrokinetic pumped hydro storage (MHK-PHS) hybrid system supplying the commercial load. The aim of the model is to minimize the energy ...
  • Grid-interactive micro-hydrokinetic with pumped-hydro storage: The case study of three South African demand sectors 
    Koko, S.P.; Kusakana, K.; Vermaak, H.J. (IEEE: International Conference on the Domestic Use of Energy (DUE), 2017)
    This paper investigates the operation of different demand sector such as residential, commercial and industrial load profiles when supplied with a grid tied micro-hydrokinetic pumped-hydro storage (MHK-PHS) hybrid system. ...
  • Studying the effect of full uniform shading on a PV module using a LabVIEW simulation model 
    Hertzog, Pierre E; Swart, Arthur J (Stellenbosch: Southern African Universities Power Engineering Conference SAUPEC, 2017)
    Simulations designed in LabVIEW may be used in many engineering applications, including the design of stand-alone PV systems. The influence of full uniform shading, which included thin clouds and contrails, on the day to ...
  • EVALUATION OF TI15MO ALLOY MANUFACTURED BY DMLS FROM ELEMENTAL POWDERS 
    Dzogbewu, T. (Annual International RAPDASA Conference, 18th Annual International RAPDASA Conference, 2017)
    The paper presents a study of in-situ alloying Ti15wt%Mo powder mixture by Direct Metal Laser Sintering (DMLS) process. Titanium and molybdenum powders of similar particle size distributions were mixed, and the powder ...
  • Optimal operation of parallel-connected diesel generators for remote electrification through energy management approach 
    Kusakana, Kanzumba (IEEE PES PowerAfrica, 2017)
    In this paper, optimal scheduling and energy management concepts are used to demonstrate the operational cost saving achievable using multiple paralleled diesel generators over a “Single” diesel generator unit for ...
  • m-Government maturity model: A qualitative investigation 
    Dlamini, Diteboho Refiloe; Mpekoa, Noluntu (International Conference on Information Society (i-Society), 2017)
    Mobile government is gaining significant attention worldwide. Mobile phone penetration offers government a number of opportunities, including offering governments services to citizens via these ambiguous devices. This ...
  • Flatness based control of a variable speed micro hydrokinetic generation system 
    Ngancha, P.B.; Kusakana, K.; Markus, E. (International Conference on the Industrial and Commercial Use of Energy (ICUE), 2017)
    In this paper, the concept of differential flatness is applied to a controller with the aim of producing constant voltage and frequency from a hydrokinetic with permanent synchronous generator submitted to variable water ...
  • Adaptive Environmental Management System for Lejweleputswa District: A Participatory Approach Through Fuzzy Cognitive Maps 
    Mbele, Mpho; Masinde, Muthoni; Kgololo-Ngowi, Itumeleng (ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 2016)
    South Africa is home to some of the deepest mines in the world. Waste from gold mines constitutes the largest single source of waste and pollution in South Africa [2] Though mining industries develop environmental management ...
  • Optimal Power Flow of a Battery/Wind/PV/Grid Hybrid System: Case of South Africa 
    Unknown author (Springer International Publishing AG: Smart Energy Grid Design for Island Countries, 2017)
    Photovoltaic and wind systems have been demonstrated to be sustainable alternatives of producing electricity in rural electrification, particularly in islanded applications. Currently, the advancement of research in the ...
  • A SURVEY OF DOMESTIC WATER HEATING TECHNOLOGIES 
    Hohne, P.A.; Kusakana, K. (Conference: Proceedings of the 25th Southern African Universities Power Engineering Conference, At Stellenbosch, 2017)
    In South Africa, heating water for domestic use is one of the most energy consuming processes in residential buildings. This process represents up to 60% of the total energy in the residential sector. Using more efficient ...
  • OPTIMAL PROCESS PARAMETERS FOR IN SITU ALLOYED Ti15Mo STRUCTURES BY LASER POWDER BED FUSION 
    Dzogbewu, T.C.; Yadroitsev, I.; Krakhmalev, P.; Yadroitsava, I.; Du Plessis, A. (Solid Freeform Fabrication 2017: Proceedings of the 28th Annual International Solid Freeform Fabrication Symposium–An Additive Manufacturing Conference, 2017)
    Powder Bed Fusion (PBF) is a manufacturing method with the advantage that it can produce objects of complex geometry. Additionally, it opens great opportunities to synthesize new materials from elemental powder using an ...
  • Appraisal of urban road safety factors in South Africa 
    Das, Dillip Kumar; Burger, Everardt A. (Proceedings of the Institution of Civil Engineers - Municipal Engineer, 2017)
    Traffic safety in the suburban roads of South African cities is a major challenge. Although many studies have explored the contributing factors, the influence of urban factors such as land use, urban form, urban pattern, ...
  • A systems approach to assessing organisational viability in project based organisations 
    Awuzie, B.O; Mcdermott, Peter (Built Environment Project and Asset Managment, 2016)
    Purpose – Extant literature highlights the increasing inability of project-based organisations (PBOs) to meet infrastructure client's expectations, particularly as it concerns the delivery of socioeconomic outcomes during ...
  • A Framework for Accurate Drought Forecasting System Using Semantics-Based Data Integration Middleware 
    Akanbi, Adeyinka K.; Masinde, Muthoni (International Conference on e-Infrastructure and e-Services for Developing Countries, 2015)
    Technological advancement in Wireless Sensor Networks (WSN) has made it become an invaluable component of a reliable environmental monitoring system; they form the ‘digital skin’ through which to ‘sense’ and collect the ...
  • Advances In Ti6Al4V Additive Manufacturing in South Africa 
    du Preez, W B; Booysen, G (Proceedings of the 13th World Conference on Titanium, 2016)
    South Africa has the potential to add significant value to its titanium natural resource. Initiated by a National Research and Technology Foresight Project in 1999, a national consensus has grown regarding this beneficiation ...
  • Robot movement parameterization using chess as a case study within an education environment 
    Vermaak, Herman; Janse van Rensburg, Japie (Pattern Recognition Association of South Africa and Robotics and Mechatronics International Conference (PRASA-RobMech),IEEE Xplore:, 2016)
    This paper describes a method of utilising a robot that plays a game of chess, against a human or itself, as a case study to try and improve the development structure of a Reconfigurable Assemble System within an educational ...

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