• A study on phased-array-feeds for paraboloidal reflector antennas 

      Ruppert, Malan Anton Xander (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: This thesis presents a general study on the use and applications of paraboloidal reflectors utilizing a dense phased array feed (PAF), in the underlying context for use with a receiving Earth station ...
    • A Spectral Guide: the analysis of solar irradiance and soiling through spectroradiometry 

      Lewis, Carmen (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: The influence of soiling on photovoltaic (PV) modules has been investigated in many research projects before, but this project extended the methods of soiling analyses on photovoltaic (PV) modules through ...
    • The ribbon microphone multi‑physics educational aid 

      Van Wyk, Marius (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: Engineering education has historically been mostly mathematics based, with advanced mathematics used to derive simple models for physics phenomena and then using these models to study basic behaviour. ...
    • Real-time occupancy grid mapping using LSD-SLAM 

      Hull, Graham (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: This thesis investigates the use of semi-dense depth data from monocular vision using large scale direct SLAM (LSD-SLAM) to create accurate occupancy grid maps for autonomous navigation, in real-time. ...
    • 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 ...
    • Firmware and functional test platform developed for a smart controller 

      Naude, Nicolaas Hendrik (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: Natural resources are important for human existence. Initiatives to manage resources effectively are exercised daily. The consumption of water and electricity increases daily in South Africa, and worldwide, ...
    • Evaluation and improvement of the single diode model's parameters used for solar PV modelling 

      Botha, Pieter Johannes Johnson (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: Solar photovoltaics are one of the leading renewable energy generators that are being installed in South Africa. The understanding of how this technology works and how it responds to radiation, is important. ...
    • Evaluate and design battery support services for the electrical grid 

      Brian, De Beer (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: Aside from the many existing problems on the electric network; new problems have been introduced with the increased adoption of renewable energy sources. In this thesis, how battery storage systems can ...
    • Design of a rotor-tied doubly fed induction generator 

      Olubamiwa, OreOluwa I. (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: The severe e ects of climate change has seen a global push towards an increase in the use of renewable energy sources. Wind energy is a major renewable energy source and its usage in electricity generation ...
    • Design and implementation of an off-grid PV drive system for small scale fresh produce cooling 

      Samuels, Jason Avron (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: The implementation of a PV drive system is discussed in this thesis with the focus on fresh produce cooling for small-scale farmer. A background study is presented, which firstly addresses hunger and ...
    • Comparative study of converter-fed eluctance synchronous-and induction motor system efficiencies 

      Loubser, Andrew Thomas (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: Energy efficiency in electric motor driven systems is becoming an increasingly important topic of study. As such, this thesis deals with the comparison of the drive system efficiencies of a reluctance ...
    • Assessment of the harmonic behaviour of a utility-scale photovoltaic plant 

      Overett, Jonathan Stephen (2017-12)
      ENGLISH ABSTRACT: The rapidly increasing deployment of utility-scale solar photovoltaic (PV) plants worldwide presents new technical challenges including the risk of unacceptably high harmonic voltage distortion in the ...