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  Multivariate adaptive sampling of parameterized antenna responses 

  Mutonkole, Ngoy; De Villiers, Dirk I. L. (Institute of Electrical and Electronics Engineers, 2017)

  ENGLISH ABSTRACT: We present a robust method to adaptively construct parameterized models of the full radiation patterns of antennas and the associated S-parameters. The method sequentially selects points (geometric ...
  
  
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  Virtual reality assisted microscopy data visualization and colocalization analysis 

  Theart, Rensu P.; Loos, Ben; Niesler, Thomas R. (BioMed Central, 2017-02-15)

  Background: Confocal microscopes deliver detailed three-dimensional data and are instrumental in biological analysis and research. Usually, this three-dimensional data is rendered as a projection onto a two-dimensional ...
  
  
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  Investigating the sustainability of the freeway management system and feasibility of implementing a connected vehicle environment in the Western Cape : conceptual design of a connected vehicle environment in Cape Town 

  Kriel, Aadil (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Please refer to full text for abstract
  
  
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  Validation of TomTom historical average speeds on freeway segments in Gauteng, South Africa 

  Gwara, Batsirai (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Traditional methods of traffic data collection, such as inductive loops and road sensors, continue to be the main source of traffic data. The advancement in technology and vehicle tracking methods has ...
  
  
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  Socio-economic and techno-economic factors associated with establishing a titanium machining industry in South Africa, a qualitative study 

  Rokita, Piotr (2017-03)

  ENGLISH ABSTRACT: South Africa is a key producer of titanium raw material, but has very little exposure in downstream industries. The purpose of this study is to investigate what impact a titanium machining industry would ...
  
  
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  An analysis of possible effects of developmental pricing: A simulation study of the polypropylene industry in South Africa 

  Gova, Webster (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Beneficiation of locally extracted minerals to produce fully processed, highvalue utility products is currently limited in South Africa. However, in the polypropylene value chain, locally mined coal is ...
  
  
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  Concept demonstrator: Holding site location, ambulance allocation, and relocation decision support tool 

  Oosthuizen, Anna Cornelia (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Before the start of a shift, the dispatchers at the Western Cape Emergency Control Centre (WC ECC) decide where to place holding sites and how many ambulance to allocate to each holding site. During a ...
  
  
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  Satellite network simulator - design and verifcation using AODV and AntHocNet 

  Merts, Andre-Jan (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: As access to space increases, the viability of creating satellite networks and dedicated services for satellite clients also increases. However, satellites are expensive to launch and cannot be easily ...
  
  
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  Modelling and control of doubly-fed induction generator systems in wind turbine applications 

  Mbukani, Mwana Wa Kalaga (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: The need to reduce the world's carbon foot print has led to a significant rise in wind energy generation. The doubly-fed induction generator (DFIG) is one of the most popular wind turbine generators ...
  
  
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  Economic evaluation of a fully integrated intelligent transportation system in Stellenbosch using the tops-bc tool 

  Dany, Olish Akas (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Transportation plays a fundamental part in the social and economic functioning of a society, since it permits the movement of individuals and products to their destination. A reliable transportation system ...
  
  
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  Site characterization and foundation design for the emplacement of radio telescope antennas at the Matjiesfontein Space Geodesy Observatory 

  Janse van Rensburg, Cornelius Johannes Theodorus (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: The suitability of the Matjiesfontein Space Geodesy Observatory (MSGO) site for hosting radio telescope antennas is partially dictated by certain civil engineering considerations. These include ...
  
  
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  Modelling and mitigation of specular multipath interference in a dual-frequency phase comparison FMCW radar system 

  Schonken, Willem Petrus Francois (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Digital signal processing technology has improved greatly over the last two decades. Increased processing power, cheaper memory and higher sampling rates have enabled the application of Frequency-Modulated ...
  
  
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  An FPGA-based adaptive forward error correction protocol for cubeSats 

  Mkhaliphi, Sandile (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: CubeSats have become popular due to their simplified model that reduces development time and costs. The standard, however, suffers from limitations imposed by the small form factor. Research is undertaken ...
  
  
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  The introduction of average speed over distance cameras as a road safety tool to reduce excessive speeds and accidents on the roads of the Western Cape, South Africa 

  Van Velden, Wouter (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Road safety is a joint responsibility of the road users, design engineers, maintenance teams, law enforcement teams and the various departments within governments that are related to transport and road ...
  
  
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  The employee flourishing strategic framework 

  Stelzner, Samuel Georg Eric (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Refer to the full text for the abstract
  
  
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  An error propagation model of a heliostat. 

  Zheng, Xiao (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Concentrating solar power plants are becoming a viable option to produce renewable electricity. However, these plants are still a relative new technology and are more expensive than traditional coal ...
  
  
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  A multi-objective optimization tool for the Malawian tea industry with sustainability considerations. 

  Taulo, John Loti (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT:Corporate social responsibility (CSR) is fast becoming imperative for corporate governance in industry and business worldwide and is assuming an increasingly prominent role in the general discourse on ...
  
  
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  Lung health diagnosis through cough sound analysis 

  Botha, Gert Hendrik Renier (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: This study investigates a simple and easily applied tool for TB screening based on the analysis of cough audio and objective clinical measurements. Tuberculosis is one of the most lethal diseases ...
  
  
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  Project portfolio management best practice and implementation: A South African perspective 

  Oosthuizen, Chiara (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Organizations are constantly under pressure to innovate and grow! by successfully executing their business strategies.The ever Pincreasing rate of change in technology has implications for product ...
  
  
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  Concentrating solar power in South Africa - a comparison of parabolic trough and central receiver technologies with molten salt as heat transfer fluid. 

  Poole, Ian Vincent (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: The most common type of concentrating solar power (CSP) plant in operation today is the parabolic trough plant. In recent years molten salt power tower plants have demonstrated the benefit of using molten ...
  
  
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  Aerodynamic damping of an oscillating fan blade: Numerical fluid structure interaction analysis 

  Peters, Christian Dietrich (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH SUMMARY: The thesis’ main objective is to determine the dynamic flow phenomena that dampen a fan blade’s oscillation amplitude using numerical fluid structure interaction (FSI) simulations. The observed flow effects ...
  
  
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  Heliostat cost reduction for power tower plants. 

  Pidaparthi, Arvind Sastry (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Heliostats typically contribute to about 40 % of the total installed costs in a concentrated solar power (CSP) tower plant. The objective of this study is to investigate the effects of heliostat size on ...
  
  
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  Feasibility study of stereo vision as a stand-alone sensor for obstacle detection. 

  Nolte, Armand (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: The need for obstacle detection and the estimation of the relative distance of the objects is increasing in the field of robotics. The feasibility of using stereo vision as a means of detecting objects ...
  
  
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  Development of an integrated numerical method for the fatigue analysis of railway bogies 

  Nickerson, Brendon Mark (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: This study focuses on the creation of a numerical simulation process that can be used to determine the fatigue life of railway bogies, using the Commonwealth railway bogie of the class 5M train in South ...
  
  
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  A direct approach for structural topology optimization 

  Munro, Pieter Munro (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: This dissertation addresses various topics that emerge from the unification of conventional structural optimization—based on ‘sequential approximate optimization’ (SAO)—with the alternative ‘direct’—or ...
  
  
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  Alignment of internal and external business & innovation domains 

  Katz, Bernard (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: The concept of strategic alignment, the “golden thread”, lies at the heart of this research. The idea that all available resources are simultaneously attracted by the magnetic pull of a company’s ...
  
  
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  Numerical modelling and evaluation of the temperature distribution in an Earthmover Tyre: establishing a safe operating envelope. 

  Marais, Jeannette (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: The explosion of haul truck tyres due to internal heat generation during operation can lead to loss of life and severe damage to the vehicle and the surroundings. This thesis describes the development ...
  
  
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  Performance characteristics of a spiky central receiver air pre-heater (SCRAP) 

  Lubkoll, Matti (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH SUMMARY: A combined cycle concentrating solar power (CSP) plant provides significant potential to achieve an efficiency increase and an electricity cost reduction compared to current single-cycle plants. A combined ...
  
  
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  Analysis of gearbox loads in large air-cooled condensers. 

  Lombard, Charles Henry Ochse (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Operational gearbox loading, in an air-cooled condenser (ACC), is measured and analysed in this investigation. Measurements are recorded during the start, stop and normal operational periods of the ...
  
  
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  Optical performance of the reflective surface profile of a Heliostat 

  Landman, Willem Adolph (Stellenbosch : Stellenbosch University, 2017-03)

  ENGLISH ABSTRACT: Micro gas turbine (MGT) central receiver systems offer advantages which could improve the techno-economic viability of the next generation of concentrating solar power (CSP) plants. This relatively young ...
  
  

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