• Modified track-etched membranes using photocatalytic semiconductors for advanced oxidation water treatment processes 

      Rossouw, Arnoux (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: The purpose of this study was to develop modi ed tract-etched membranes using nanocomposite TiO2 for advanced water treatment processes. Photocatalytic oxidation and reduction reactions take place on ...
    • Modular approach to the development of a two-way radio receiver system 

      Kellerman, Valpre Cecilia (Stellenbosch : University of Stellenbosch, 2004-12)
      ENGLISH ABSTRACT: The preliminary development of a FM radio receiver module is discussed. An existing narrowband system operating between 48MHz and 50MHz will be replaced. Digital components were investigated, compared ...
    • Module-level health monitoring of solar PV plants using LoRa wireless sensor networks 

      Shuda, Eduan Joseph (Stellenbosch : Stellenbosch University, 2019-04)
      ENGLISH ABSTRACT: The monitoring of PV plants is a crucial aspect in ensuring smooth operation and optimum e ciency. Early detection of faults or ine ciencies can greatly reduce downtime and increase overall plant e ...
    • Monocular vision assisted autonomous landing of a helicopter on a moving deck 

      Swart, Andre Dewald (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: The landing phase of any helicopter is the most critical part of the whole flight envelope, particularly on a moving flight deck. The flight deck is usually located at the stern of the ship, translating ...
    • Motion planning algorithms for autonomous navigation for a rotary-wing UAV 

      Beyers, Coenraad Johannes (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: This project concerns motion planning for a rotary wing UAV, where vehicle controllers are already in place, and map data is readily available to a collision detection module. In broad terms, the goal ...
    • Motion planning for an autonomous terrestrial ehicle in static environments 

      Bester, Andries Jacobus (Stellenbosch : Stellenbosch University, 2018-03)
      ENGLISH ABSTRACT: Ground or land-based vehicles capable of navigating autonomously in various environments are rapidly becoming more popular and have multiple advantages and uses, from a Mars rover to autonomous agricultural ...
    • Movement control and guidance of an automated underwater vehicle 

      Pauck, Simon James (Stellenbosch : University of Stellenbosch, 2010-03)
      ENGLISH ABSTRACT: This thesis presents the design process of the movement control and guidance systems for an automated underwater vehicle (AUV) constructed by the Institute of Maritime Technology in Simon’s Town. The ...
    • A multilevel inverter for DC reticulation 

      Molepo, Seaga Abram (Stellenbosch : Stellenbosch University, 2003-03)
      ENGLISH ABSTRACT: This report presents the design and development of a multilevel inverter for DC reticulation. Two main multilevel inverter topologies are introduced and discussed. The research focusses on the flying ...
    • Natural balancing of the neutral-point-clamped converter 

      Salagae, Isaac Mahijoko (Stellenbosch : Stellenbosch University, 2003-12)
      ENGLISH ABSTRACT: The three-level neutral-point-clamped(NPC) converter, being a widely used multilevel inverter, received a lot of attention recently due to problems associated with de-link capacitor voltage balancing. ...
    • A network traffic analysis tool for the prediction of perceived VoIP call quality 

      Maritz, Gert Stephanus Herman (Stellenbosch : University of Stellenbosch, 2011-12)
      ENGLISH ABSTRACT: The perceived quality of Voice over Internet Protocol (IP) (VoIP) communication relies on the network which is used to transport voice packets between the end points. Variable network characteristics ...
    • Neural network models of slotted waveguide directional couplers 

      Muller, Martinette (Stellenbosch : Stellenbosch University, 2001-12)
      ENGLISH ABSTRACT: The application of artificial neural networks to microwave circuits is investigated. A neural network model is developed for two parallel waveguides coupled by a longitudinal slot in the common broad ...
    • Neutral-point-clamped shunt active filter 

      Van Greunen, Corneluis Erasmus (Stellenbosch : University of Stellenbosch, 2005-03)
      This thesis presents the design and implementation of a Neutral-Point-Clamped (NPC) shunt Active Filter (AF) for non-linear loads. A NPC shunt AF is an attractive solution for AFs at the medium volage level, because it ...
    • A new approach to embedded computer benchmarking 

      Smit, Willem A. (Stellenbosch : Stellenbosch University, 2006-04)
      ENGLISH ABSTRACT: Years of experience gained in the field while designing and building new digital hardware for clients in both the private and public sectors have shown that choosing the correct processor for the job ...
    • Nie-destruktiewe klankonttrekking, restourasie en spraakverheffing van Edison-fonograafsilinders 

      Van der Westhuizen, Ewald (Stellenbosch : Stellenbosch University, 2003-12)
      ENGLISH ABSTRACT: Two non-destructive methods of extracting audio from Edison phonographic cylinders were investigated. A recording device with high accuracy positioning was designed and manufactured. A microscopic image ...
    • Non -destructive measurement of citrus internal quality using near infrared spectroscopy and x-ray computed temography 

      Lebotsa, Phalane Sekina (Stellenbosch : Stellenbosch University, 2017-03)
      ENGLISH ABSTRACT: Quality evaluation of fruit remains an important aspect in the fruit industry. It is for this reason that non-destructive methods for quality evaluation of citrus fruit were investigated. Literature reviews ...
    • Non-acoustic speaker recognition 

      Du Toit, Ilze (Stellenbosch : University of Stellenbosch, 2004-12)
      ENGLISH ABSTRACT: In this study the phoneme labels derived from a phoneme recogniser are used for phonetic speaker recognition. The time-dependencies among phonemes are modelled by using hidden Markov models (HMMs) for ...
    • Non-destructive measurement of internal fruit quality using SQUID-NMR techniques 

      Nturambirwe, Jean Frederic Isingizwe (Stellenbosch : Stellenbosch University, 2012-12)
      ENGLISH ABSTRACT: The SQUID-NMR technique has been increasingly recommended by many researchers as holding a lot of potential, and it is believed it will become an invaluable tool for non-destructive evaluation in the ...
    • Non-destructive testing of capless porcelain line post insulators to detect internal defects 

      Borrill, Leslie (Leslie David) (Stellenbosch : Stellenbosch University, 2003-12)
      ENGLISH ABSTRACT: This project relates to the unexplained failure of 33kV porcelain line post insulators in ESKOM's Southern Region. An initial investigation suggested that the failures could probably be due to a ...
    • 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, ...