Browsing Faculty of Engineering by Title

Now showing items 356-375 of 2209

    • Control moment gyro actuator for small satellite applications 

      Berner, Reimer (Stellenbosch : University of Stellenbosch, 2005-03)
      The aim of the thesis is to design a Control Moment Gyro (CMG) actuator which can be used in small satellite applications. The hardware and software of the CMG has to be designed according to specifications given. A ...

    • Control of a 1.5 MW active power filter and regeneration converter for a Spoornet DC traction substation 

      Henning, Pieter Hendrik (Stellenbosch : University of Stellenbosch, 2005-03)
      Although regenerative braking has been in used in railway systems for a long time already, the energy generated was dissipated in resistor banks. The rapid advances in the power electronics field, accompanied by the ...

    • Control of a conveyor system for a reconfigurable manufacturing cell 

      Le Roux, Anro (Stellenbosch : Stellenbosch University, 2013-12)
      ENGLISH ABSTRACT: This work entails a study of the control software of transportation systems for use in recon gurable manufacturing systems (RMSs). Various control approaches are considered, with the focus on enhancing ...

    • Control of biofouling on reverse osmosis membranes using DBNPA 

      Ras, Gabriel Retief (Stellenbosch : Stellenbosch University, 2016-03)
      ENGLISH ABSTRACT: Reverse Osmosis (RO) is used throughout the world for water desalination and it has gained wide popularity due to its efficient energy consumption and the safe operating process. Fouling (of which biological ...

    • The control of calcium and magnesium in a base metal sulphate leach solution 

      Pelser, Max (Stellenbosch : University of Stellenbosch, 2003-04)
      ENGLISH ABSTRACT: This thesis investigates the control of calcium and magnesium in a base metal sulphate leach solution containing nickel and cobalt. The presence of calcium and magnesium in the hydrometallurgical ...

    • Control of reconfigurable assembly system 

      Adams, Azeez Olawale (Stellenbosch : University of Stellenbosch, 2010-12)
      ENGLISH ABSTRACT: This work considers the control of reconfigurable assembly systems using a welding assembly system as a case study. The assembly system consists of a pallet magazine, a feeding system, an inspection and ...

    • Control of sediment diversion in run-of-river hydropower schemes 

      Van Heerden, Morne Jandre (Stellenbosch : Stellenbosch University, 2012-12)
      ENGLISH ABSTRACT: Sedimentation and the effects it has on turbine blades was the primary problem identified in run-of-river (RoR) hydropower schemes. Sedimentation in RoR hydropower schemes also increases trash rack ...

    • Control of surfaces in confined spaces : Tab-aileron control system development 

      Rupert, Francois Johannes (Stellenbosch : University of Stellenbosch, 2011-03)
      ENGLISH ABSTRACT: This thesis forms part of the Control Surfaces in Confined Spaces (CoSICS) project conducted at Stellenbosch University. The aim of this project is reduction of control surface actuator footprints on ...

    • Control of the feeder for a reconfigurable assembly system 

      Kruger, Karel (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: This thesis documents the research conducted into the control of the feeder subsystem of a Reconfigurable Assembly System (RAS). The research was motivated by a new set of modern manufacturing requirements ...

    • Control performance assessment for a high pressure leaching process by means of fault database creation and simulation 

      Miskin, Jason John (Stellenbosch : Stellenbosch University, 2016-03)
      ENGLISH ABSTRACT: Platinum group metal (PGM) producing companies typically extract PGMs from a nickel-copper ore through a combination of processes including comminution, flotation, smelting, converter treatment, and ...

    • Control surfaces in confined spaces : the optimisation of trailing edge tabs to reduce control surface hinge moments 

      Jaquet, Christopher Denis (Stellenbosch : University of Stellenbosch, 2010-03)
      ENGLISH ABSTRACT: This thesis describes the first project relating to the Control Surfaces in Confined Spaces (CoSICS) project at Stellenbosch University. The aim of CoSICS project is to reduce the size of control surface ...

    • Correlating sound and flow rate at a tap 

      Jacobs, H. E.; Skibbe, Y.; Booysen, Marthinus J.; Makwiza, C. (Elsevier, 2015-09)
      Laboratory tests were carried out to record the sound of water flowing through a tap and the corresponding flow rate. The results were analysed to determine a mathematical relationship between the sound signal and the ...

    • Correlation between SQUID and fluxgate magnetometer data for geomagnetic storms 

      Phiri, Temwani-Joshua (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: Geomagnetic storms are primarily driven by the rapid transfer of energy from the solar wind to the magnetosphere. The mechanism of energy transfer involves the merging of the interplanetary magnetic field ...

    • Correlation between SQUID and Fluxgate Magnetometer Data-sets for Geomagnetic Storms: Hermanus 

      Matladi, Thabang-Kingsley (Stellenbosch : Stellenbosch University, 2014-04)
      ENGLISH ABSTRACT: Superconducting QUantum Interference Devices (SQUIDs) are fairly recent types of magnetometers that use flux quantization combined with Josephson tunnelling to detect very faint (< 10¯15 T) magnetic ...

    • Cost model for bipolar plate manufacture 

      Atkinson, Juan Pablo (Stellenbosch : Stellenbosch University, 2012-12)
      ENGLISH ABSTRACT: This thesis gives a cost model for the manufacture of bipolar plates in South Africa. The methods for the manufacture considered are machining, using a micro-milling machine, and compression moulding. ...

    • A cost model for the manufacture of bipolar plates using micro milling 

      Essmann, Erich C. (Stellenbosch : Stellenbosch University, 2012-03)
      ENGLISH ABSTRACT: In a move towards cleaner and more sustainable energy systems, hydrogen as an energy carrier and hydrogen fuel cells as energy converters are receiving increasing global attention. Considering the vital ...

    • A cost optimisation of preventative upkeep networks using the South African Navy as a case study 

      Truter, Albert Willem (Stellenbosch : Stellenbosch University, 2014-04)
      ENGLISH ABSTRACT: The South African Navy (SAN) intends to reinstate Naval Station Durban (NSD) as a fully operational support base for a new class of Offshore Patrol Vessels (OPV’s) which the SAN intends to purchase. ...

    • Coupled fully three-dimensional mathematical modelling of sediment deposition and erosion in reservoirs 

      Sawadogo, Ousmane (Stellenbosch : Stellenbosch University, 2015-03)
      ENGLISH ABSTRACT: The investigation of reservoir sedimentation has become an important and valuable research topic in engineering practice. Sediment deposition in reservoirs can affect ood levels, drainage for ...

    • Cracking of Plastic Concrete in Slab-Like Elements 

      Combrinck, Riaan (Stellenbosch : Stellenbosch University, 2016-03)
      ENGLISH ABSTRACT: The cracking of plastic concrete involves two cracking types namely: plastic settlement cracking which is caused by differential settlement of the concrete and plastic shrinkage cracking which is caused ...

    • Creating a sustainable environment for infrastructure delivery 

      Le Roux, Ellouise (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: Since 1994 the government of South Africa has spent substantial amounts of money on the development and expantion of infrastructure to include the previously disadvantaged. Each year the amount spent on ...