Browsing Masters Degrees (Electrical and Electronic Engineering) by Title

Now showing items 428-447 of 556

    • An object detection approach for cluttered images 

      Kok, R. (Stellenbosch : Stellenbosch University, 2003-12)
      ENGLISH ABSTRACT: We investigate object detection against cluttered backgrounds, based on the MINACE (Minimum Noise and Correlation Energy) filter. Application of the filter is followed by a suitable segmentation algorithm, ...

    • Object recognition and automatic selection in a Robotic Sorting Cell 

      Janse van Rensburg, Frederick Johannes (Stellenbosch : University of Stellenbosch, 2006-12)
      This thesis relates to the development of an automated sorting cell as part of a flexible manufacturing line, with the use of object recognition. Algorithms for each of the individual subsections creating the cell, ...

    • Occupancy grid mapping using stereo vision 

      Burger, Alwyn Johannes (Stellenbosch : Stellenbosch University, 2015-03)
      ENGLISH ABSTRACT: This thesis investigates the use of stereo vision sensors for dense autonomous mapping. It characterises and analyses the errors made during the stereo matching process so measurements can be ...

    • On the use of WiMAX and Wi-Fi in a VANET to provide in-vehicle connectivity and media distribution 

      Mojela, Lerotholi Solomon (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: The recent emergence of ubiquitous wireless connectivity and the increasing computational capacity of modern vehicles have triggered immense interest in the possibilities of vehicular connectivity. A ...

    • Onboard image geo-referencing for LEO satellites 

      Van den Dool, Riaan (Stellenbosch : University of Stellenbosch, 2005-12)
      The next generation of small satellites will require significant onboard data processing and information extraction capabilities to keep up with industry demands. The need for value added information products is ...

    • Online system identification for fault tolerant control of unmanned aerial vehicles 

      Appel, Jean-Paul (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: In this thesis the strategy for performing System Identification on an aircraft is presented. The ultimate aim of this document is to outline the steps required for successful aircraft parameter estimation ...

    • Opportunities for in-line, transistorbased technologies on MV and LV power distribution networks 

      Meyer, Bernard (Stellenbosch : Stellenbosch University, 2000-12)
      ENGLISH ABSTRACT: Once more opportunities exist for innovative technologies to be applied on MV and LV power distribution networks to meet the new challenges set by government through its National Electrification Programme ...

    • Optimal estimation and sensor selection for autonomous landing of a helicopter on a ship deck 

      Irwin, Shaun George (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: This thesis presents a complete state estimation framework for landing an unmanned helicopter on a ship deck. In order to design and simulate an optimal state estimator, realistic sensor models are ...

    • Optimisation methods applied to compensator placement 

      Burger, I. (Stellenbosch : University of Stellenbosch, 2004-12)
      ENGLISH ABSTRACT: The optimal placement of different types of compensators on electrical networks is a complex task faced by network planners and operations engineers. The successful placement of these devices normally ...

    • Optimisation of a transverse flux linear PM generator using 3D Finite Element Analysis 

      Schutte, Jacques (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: Several transverse flux and longitudinal flux linear generator topologies exist for freepiston Stirling engine applications. In this thesis the transverse flux permanent magnet linear generators are ...

    • Optimisation of UHF radio SCADA systems for electrical distribution networks 

      Delport, Pierre (Stellenbosch : University of Stellenbosch, 2006-03)
      This thesis presents the results of an investigation to establish methods to improve the performance of area radio based communication systems for Supervisory Control and Data Acquisition (SCADA) systems. The considerable ...

    • Optimization of wind energy transfer using wind turbines 

      Moor, Gary Duncan (Stellenbosch : Stellenbosch University, 2003-12)
      ENGLISH ABSTRACT: The effect of topography and terrain on wind is examined in order to ensure that the wind turbine positioning will encourage a greater availability of wind energy to it. Maximum power point tracking ...

    • Orbital lifetime predictions of Low Earth Orbit satellites and the effect of a DeOrbitSail 

      Afful, Michael Andoh (Stellenbosch : Stellenbosch University, 2013-12)
      ENGLISH ABSTRACT: Throughout its lifetime in space, a spacecraft is exposed to risk of collision with orbital debris or operational satellites. This risk is especially high within the Low Earth Orbit (LEO) region where ...

    • Orthogonal frequency division multiplexing (OFDM) implementation as part of a software devined radio (SDR) environment 

      Sonntag, Christoph (Stellenbosch : University of Stellenbosch, 2005-12)
      Orthogonal Frequency Division Multiplexing (ODFM) has gained considerable attention the past couple of years. In our modern world the need for faster data transmission is never-ending. OFDM modulation provides us with a ...

    • 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 ...