Now showing items 353-372 of 454

  • 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, ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...