Browsing Faculty of Engineering by Title

Now showing items 316-335 of 1844

    • A critical appraisal of existing models for nonlinear finite element analysis of reinforced concrete response 

      De Jager, Charl (Stellenbosch : Stellenbosch University, 2012-03)
      ENGLISH ABSTRACT: This study entails the appraisal of the constitutive models available for the non linear finite element analysis of reinforced concrete, using the DIANA finite element package and following generally ...

    • Critical evaluation and application of position sensorless control techniques for reluctance synchronous machines 

      Villet, Wikus Theo (Stellenbosch : Stellenbosch University, 2014-04)
      ENGLISH ABSTRACT: The position sensorless controllability of the reluctance synchronous machine (RSM) is investigated in this thesis with the focus on industry applications where variable and dynamic torque is required ...

    • A critical evaluation and refinement of the performance prediction of wet-cooling towers 

      Kloppers, Johannes Christiaan (Stellenbosch : University of Stellenbosch, 2003-12)
      The thermal performance prediction of wet-cooling towers is critically analyzed and refined. Natural draft counterflow towers and mechanical draft counterflow and crossflow towers are considered. The Merkel, Poppe and ...

    • Critical evaluation of a position sensorless control technique for the reluctance synchronous machine drive 

      Smuts, Johan L. (Johan Leodolf) (Stellenbosch : Stellenbosch University, 2001-03)
      ENGLISH ABSTRACT: The aim of this study is to critically evaluate the voltage injection position sensorless control technique as applied to the reluctance synchronous machine (RSM) drive and to implement the technique ...

    • Critical evaluation of predictive modelling of a cervical disc design 

      De Jongh, Cornel (Stellenbosch : University of Stellenbosch, 2007-12)
      This thesis is concerned with the simulation of the in vivo biomechanical performance of a cervical disc replacement. A representative (averaged) maximum range of motion (ROM), determined by measurement of 10 student ...

    • Critical normal traffic loading for flexure of bridges according to TMH7 

      Malan, Andreas Dawid (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: Different types of live loading due to traffic may act on bridges. The focus of this study is on normal traffic loading according to the South African specification of TMH7. Heavy vehicles are not included ...

    • A critical success factor model for asset management services 

      Jooste, Johannes Lodewyk (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: Business-to-business services relating to physical asset management are playing an increasingly important role in industry. This is in the midst of the current pressures which asset owning organisations ...

    • A Cross Platform Framework for Software Defined Radio 

      Brady, Richard (Stellenbosch : University of Stellenbosch, 2007-12)
      Software defined radios (SDRs) implement in software those parts of a radio which have traditionally been implemented in analogue hardware. We explain the importance of this definition and introduce reconfigurability and ...

    • The cross-shore distribution of grain size in the longshore transport zone 

      Soltau, Christoph (Stellenbosch : University of Stellenbosch, 2009-12)
      ENGLISH ABSTRACT: Calculation of longshore sediment transport rates is a typical part of coastal engineering work. One of the important inputs to such calculations is the sediment grain size. A single, representative ...

    • Cryogenic amplifiers for interfacing superconductive systems to room temperature electronics 

      Badenhorst, Le Roux (Stellenbosch : Stellenbosch University, 2008-12)
      This thesis is aimed at testing commercially available CMOS amplifier ICs at 4 K. Super Conducting Electronics (SCE) will also be used to amplify RSFQ signals for easier detection by CMOS technology and better ...

    • A Cryogenic CMOS-based Control System for Testing Superconductor Electronics 

      Van Niekerk, Philip Charl (Stellenbosch : University of Stellenbosch, 2008-03)
      A Cryogenic CMOS-based Control System for Testing Superconductor Electronics P.C. van Niekerk Department of Electrical and Electronic Engineering University of Stellenbosch Private Bag X1, 7602 Matieland, South ...

    • Crystalline silicon solar cells - a glance from Europe 

      John, Joachim (Stellenbosch : University of Stellenbosch, 2008-02-12)
      The invitation to the presentation by Dr Joachim John at the Stellenbosch University. A lecture on the Current and Future Technology of Thin Crystalline Silicon Solar Cells will be given on Tuesday 12 February 2008 at 15h00 ...

    • Culprit and victim management RFI environment for a radio astronomy site 

      Van der Merwe, Carel (Stellenbosch : Stellenbosch University, 2012-03)
      ENGLISH ABSTRACT: A methodology is developed to manage the large number of RFI Culprits on a new Radio Telescope location such as the South African site being developed in the Karoo, both during construction and ongoing ...

    • DAB implementation in SDR 

      Ernest, Petro Pesha (Stellenbosch : University of Stellenbosch, 2005-12)
      The aim of this thesis is to implement a Digital Audio Broadcasting (DAB) system in a Software Defined Radio (SDR). The physical modulation part of the DAB transmitter for one of the transmission modes as well as its ...

    • Data capturing system using cellular phone, verified against propagation models 

      Visser, Schalk W. J. (Schalk Willem Jacobus) (Stellenbosch : University of Stellenbosch, 2004-12)
      ENGLISH ABSTRACT: Data capturing equipment are an expensive part of testing the coverage of a deployed or planned wireless service. This thesis presents the development of such a data capturing system that make use of ...

    • Data modelling of industrial steel structures 

      Oosthuizen, Daniel Rudolph (Stellenbosch : Stellenbosch University, 2003-12)
      ENGLISH ABSTRACT: AP230 of STEP is an application protocol for structural steel-framed buildings. Product data relating to steel structures is represented in a model that captures analysis, design and manufacturing ...

    • Data-driven augmentation of pronunciation dictionaries 

      Loots, Linsen (Stellenbosch : University of Stellenbosch, 2010-03)
      ENGLISH ABSTRACT: This thesis investigates various data-driven techniques by which pronunciation dictionaries can be automatically augmented. First, well-established grapheme-to-phoneme (G2P) conversion techniques are ...

    • A de-coupled level controller for cascaded flotation processes 

      Van Heerden, Jacobus P. (Jacobus Petrus) (Stellenbosch : Stellenbosch University, 2002-03)
      ENGLISH ABSTRACT: Flotation was introduced early in the zo" century as a separation process for extracting valuable minerals from grinded ore. Today flotation is a dominant mineral concentration method and is used for ...

    • Debonding of external CFRP plates from RC structures caused by cyclic loading effects 

      Badenhorst, Adriaan Jakobus (Stellenbosch : Stellenbosch University, 2012-03)
      ENGLISH ABSTRACT: This study set out to determine the debonding of externally applied Carbon Fibre Reinforced Polymer (CFRP) plates from RC structures under cyclic loading. Triplet shear tests and finite element (FE) ...

    • Decision making between hybrid and in-situ concrete construction in South Africa 

      Lombard, Adele (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: A construction method that proves to be the best today will not necessarily be the best method for application in 20 years. Therefore, with changing circumstances, engineers have to consider all the ...