Browsing Masters Degrees (Electrical and Electronic Engineering) by Title

Now showing items 514-533 of 678

    • 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 optimizing high-latency asymmetric satellite TCP/IP 

      Coetzee, Charl (Stellenbosch : Stellenbosch University, 1999-10)
      ENGLISH ABSTRACT: The Transmission Control Protocol (TCP), part of the TCP/IP Internet Protocol Suite, is responsible for the reliable unicast delivery of popular Internet services such as web browsing, e-mail, and file ...

    • 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 ...

    • An on-line machine vision flotation froth analysis platform 

      Botha, Charl P. (Stellenbosch : Stellenbosch University, 1999-10)
      ENGLISH ABSTRACT: Froth flotation is a popular process used for the extraction of certain minerals from ore. The effective automatic control of this process has great financial importance. Utilising machine vision as the ...

    • 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 attitude and flight vector recovery for large transport aircraft 

      Engelbrecht, J. J. K. (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: Loss of control (LOC) is the largest contributor to commercial jet aircraft fatal accidents worldwide. Aircraft upset conditions are a primary cause leading to LOC situations. Despite flight envelope ...

    • Optimal Control for Minimum Thrust Demand in Extended Formation Flight 

      Van Wyk, F. G. (Stellenbosch : Stellenbosch University, 2016-03)
      ENGLISH ABSTRACT: The research drive behind this formation fight thesis is to increase the flight efficiency of commercial aircrafts. Previous research has shown that formation fight holds significant fuel savings for the ...

    • Optimal design methodology of a three phase Rotary transformer for a brushless doubly fed induction generator 

      Zietsman, Nikita Linda (Stellenbosch : Stellenbosch University, 2016-03)
      ENGLISH ABSTRACT: The brushless doubly fed induction generator (BDFIG) offers higher reliability over the standard doubly fed induction generator (DFIG), by eliminating the slip ring and brush assembly. The currently ...

    • 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 residential energy system with an embedded PV source 

      Nieuwoudt, Tielman (Stellenbosch : Stellenbosch University, 2016-03)
      ENGLISH ABSTRACT: The economic viability of PhotoVoltaic (PV) systems for the residential sector remains one of the greatest barriers to PV adoption. Economic viability of PV systems can be expressed in terms of a wide ...

    • 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 ...

    • Optimisation study of geographical allocation of solar PV generation capacity for grid support 

      Vermeulen, Vicki-Mari (Stellenbosch : Stellenbosch University, 2016-12)
      ENGLISH ABSTRACT: Due to growing concerns regarding environmental impacts and energy security, the renewable energy sector and its role in large-scale power generation is becoming increasingly signi cant, both locally ...

    • 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 ...