Browsing Masters Degrees (Electrical and Electronic Engineering) by Title

Now showing items 457-476 of 572

    • Parameter extraction of superconducting integrated circuits 

      Lotter, Pierre (Stellenbosch : University of Stellenbosch, 2006-12)
      Integrated circuits are expensive to manufacture and it is important to verify the correct operation of a circuit before fabrication. Efficient, though accurate, parameter extraction of post-layout designs are required ...

    • A parametric monophone speech synthesis system 

      Klompje, Gideon (Stellenbosch : University of Stellenbosch, 2006-12)
      Speech is the primary and most natural means of communication between human beings. With the rapid spread of technology across the globe and the increased number of personal and public applications for digital equipment ...

    • Path planning for an unmanned terrestrial vehicle in an obstacle ridden environment 

      Ferreira, Thomas Ignatius (Stellenbosch : University of Stellenbosch, 2009-03)
      This thesis relates to the successful development of an unmanned terrestrial vehicle (UTV) capable of operating in an obstacle ridden environment. The primary focus of the project is on the specific path planning algorithms. ...

    • A permittivity measurement system for high frequency laboratories 

      Marais, Johannes Izak Frederik (Stellenbosch : University of Stellenbosch, 2006-12)
      The open-ended coaxial probe is revisited as a broadband measurement system for general high frequency permittivity measurements. Three coaxial probes were developed that are suited for the measurement of both liquids ...

    • Phase noise measurement 

      Grobbelaar, Johannes Jacobus (Stellenbosch : University of Stellenbosch, 2011-03)
      ENGLISH ABSTRACT: The objective of the thesis is the development of a phase noise measuring system that makes use of crosscorrelation and averaging to measure below the system hardware noise floor. Various phase noise ...

    • Phonene-based topic spotting on the switchboard corpus 

      Theunissen, M. W. (Marthinus Wilhelmus) (Stellenbosch : Stellenbosch University, 2002-04)
      ENGLISH ABSTRACT: The field of topic spotting in conversational speech deals with the problem of identifying "interesting" conversations or speech extracts contained within large volumes of speech data. Typical applications ...

    • The placing of line surge arresters and fuses on 11 and 12 kV lines to protect equipment against lightning 

      Dirkse van Schalkwyk, W. J. (Stellenbosch : Stellenbosch University, 2001-03)
      ENGLISH ABSTRACT: Unshielded distribution lines has a poor performance during lightning activity. Lightning initiates flashovers between the phases and earth and causes line breakers to trip several times during a ...

    • Position control of a mobile robot 

      Winter, Pieter (Stellenbosch : University of Stellenbosch, 2005-03)
      Position calculation of mobile objects has challenged engineers and designers for years and is still continuing to do so. There are many solutions available today. Probably the best known and most widely used outdoor ...

    • Position sensorless control of a transverse-laminated reluctance synchronous machine 

      Barnard, Francois Jacobus Wessels (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: The focus of this thesis is position sensorless control of a transverse-laminated reluctance synchronous machine. Rotor position information is required for high-performance closedloop control of the ...

    • Possible applications for vacuum pyrolysis in the processing of waste materials 

      De Jongh, Willem Adriaan (Stellenbosch : Stellenbosch University, 2001-04)
      ENGLISH ABSTRACT: Current global trends in government, industry and popular OpInIOn indicate that recycling will become essential in the future. Vacuum pyrolysis is a new technology with many recycling applications that ...

    • Power system stabilizer and controlled series capacitor small-signal stability performance analysis 

      Fourie, Gert (Stellenbosch : Stellenbosch University, 2002-12)
      ENGLISH ABSTRACT: This thesis presents results of a study on the small-signal stability of a single-machine infinite-bus power system. Conditions of generator loading and network impedance are identified that require ...

    • A practical comparison between the three-phase series-stacked and neutral point clamped multilevel converter topologies 

      Lee, G. B. (Stellenbosch : Stellenbosch University, 2003-12)
      ENGLISH ABSTRACT: The versatility of power electronic converters has made them a dominant force in the current electrical and electronic engineering industry. So too industry presents a wider range of applications, forever ...

    • Precision propagation and orbit decay predication of low earth orbit satellites 

      Opperman, B. D. L. (Stellenbosch : Stellenbosch University, 2003-12)
      ENGLISH ABSTRACT: This study investigates the theory of precision satellite orbit propagation and satellite lifetime prediction and lead to the development of two necessary software tools for analysis in these fields. ...

    • Prediction and measurement of power line carrier signal attenuation and fluctuation 

      De Villiers, Wernich (Stellenbosch : Stellenbosch University, 2001-12)
      ENGLISH ABSTRACT: A frequency domain Power Line Carrier (PLC) simulation program, with the ability to simulate signal attenuation including the coupling equipment, was developed. This simulation program was put to the ...

    • Predictive control of a series-input, parallel-output, back-to-back, flying-capacitor multilevel converter 

      Du Toit, Daniel Josias (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: This thesis investigates the viability of constructing a solid-state transformer (SST) with a series-input, parallel-output connection of full-bridge, three-level ying-capacitor converters. It focusses ...

    • Presisie landing van 'n onbemande vliegtuig 

      Visser, Bernardus Johannes (Stellenbosch : Stellenbosch University, 2008-12)
      This thesis presents the design of a control system for the autonomous precision landing of an unmanned aerial vehicle aided by an infra red camera for precision position measurements. An optimal kinematics state estimator ...

    • Probabalistic load modelling of electrical demand of residential water heating 

      Urban, Graeme John (Stellenbosch : Stellenbosch University, 2012-03)
      ENGLISH ABSTRACT: Energy efficiency and the move to renewable energy resources are of vital importance in growing profitable and sustainable economies. In recent years, greater emphasis has been placed on institutions, ...

    • Probabilistic conflict detection for commercial aircraft near airports 

      Pienaar, Leanne Jane (Stellenbosch : Stellenbosch University, 2015-03)
      ENGLISH ABSTRACT: Increasing air traffic and urbanisation has led to a cluttered airspace, particularly near airports, where both complex terrain and multiple moving obstacles are frequent. Accurately and efficiently ...

    • Probe characterisation, design and evaluation for the real-time quality Indication of milk 

      Van der Westhuyzen, Petrus Johannes (Stellenbosch : University of Stellenbosch, 2006-12)
      In order to rapidly detect, monitor and predict changes in milk as it ferments, sensors would need to be designed specifically for milk. To this end, invasive surgical stainless steel probes were investigated and the ...

    • Probes in HF metrology 

      Rossouw, Daniel Johannes (Stellenbosch : University of Stellenbosch, 2010-12)
      ENGLISH ABSTRACT: Flanged coaxial probes are widely used to conduct accurate, broadband permittivity measurements of various dielectric materials. A metrology study, discussed in [1], revealed that small perturbations ...