• Load and response estimation and model recalibration using inverse finite element methods 

      Barnardo, Celeste (Stellenbosch : Stellenbosch University, 2006-12)
      ENGLISH ABSTRACT: Please refer to full-text for abstract.
    • Load management of electric water heaters in a smart grid through forecasting and intelligent centralised control 

      Roux, Marcel (Stellenbosch : Stellenbosch University, 2018-03)
      ENGLISH ABSTRACT: Globally utilities are facing increasing demand and numerous challenges arise with the supply and management thereof. The South African electricity utility Eskom is at present still facing difficulty ...
    • Loaded transmission lines illuminated above ground 

      Stuart, Thomas (Stellenbosch : Stellenbosch University, 1999-12)
      ENGLISH ABSTRACT: This thesis provides a solution to an EMC problem that arose from an open cast mining system, which suffered from premature detonation. The industry problem is treated as a generic wiring problem, where ...
    • Loading, modelling and costing of concrete and steel support structure designs : large wind turbines in South Africa 

      De Kock, Conrad Jeanne (Stellenbosch : Stellenbosch University, 2015-12)
      ENGLISH ABSTRACT: Wind energy has the potential to be a strong contributor to a more sustainable future. Globally it is a major player in the market and is expected to become more influential in the future. In South Africa ...
    • Localization and ,litigation of radio frequency interference for interferometric arrays 

      Steeb, Jan-Willem W (Stellenbosch : Stellenbosch University, 2018-12)
      ENGLISH ABSTRACT: Radio telescopes have increased exponentially in sensitivity ever since the first single dish radio telescopes were built in the 1930's. This trend continues with the development of next generation ...
    • A location science model for the placement of POC CD4 testing devices as part of South Africa's public healthcare diagnostic service delivery model 

      Oosthuizen, Louzanne (Stellenbosch : Stellenbosch University, 2015-03)
      ENGLISH ABSTRACT: South Africa has a severe HIV (human immunodeficiency virus) burden and the management of the disease is a priority, especially in the public healthcare sector. One element of managing the disease, is ...
    • Lockin thermography parameter investigation 

      Bwembya, Emmanuel Mutale (Stellenbosch : Stellenbosch University, 2017-03)
      ENGLISH SUMMARY: Infrared thermography has emerged as one of the leading nondestructive testing techniques used for composite materials testing. It is fast, safe, effective and data acquisition is done remotely. As such ...
    • The long term impact of the Seli One shipwreck on the Table Bay beaches 

      Seifart, Christian (Stellenbosch : Stellenbosch University, 2012-12)
      ENGLISH ABSTRACT: On the 9th September 2009, the 178 m Panamanian bulk carrier, the Seli One, ran aground off the coast of Blouberg in Table Bay, South Africa. Due to failed salvage attempts, the vessel has remained ...
    • Longbeach Mall : traffic impact assessment 

      Bulman, Andrew (Stellenbosch : University of Stellenbosch, 2001-12)
      This Traffic Impact Assessment (TIA) was commissioned in March 1998 as a supporting document to an application for the rezoning of an ert in Noordhoek from general housing to commercial use. The proposal at the time was ...
    • Longshore sediment transport : applied wave power approach, field data analysis and evaluation of formulae 

      Schoonees, Jacobus Stefanus (Stellenbosch : Stellenbosch University, 2001-12)
      ENGLISH ABSTRACT: The process of sand being moved parallel to the coast by wave and current action is called longshore (sediment) transport. Knowledge oflongshore transport is essential for the design of breakwaters ...
    • Losses in the inlet section of counterflow wet-cooling towers 

      De Villiers, Eugene (Stellenbosch : Stellenbosch University, 1998-12)
      ENGLISH ABSTRACT: The flow resistances in the inlet sections of counterflow wet-cooling towers are investigated and correlations are derived for inclusion in a one-dimensional tower performance model. The rain zone loss ...
    • Low bit rate speech coding 

      Kritzinger, Carl (Stellenbosch : University of Stellenbosch, 2006-03)
      Despite enormous advances in digital communication, the voice is still the primary tool with which people exchange ideas. However, uncompressed digital speech tends to require prohibitively high data rates (upward of ...
    • Low blood oxygen saturation quantification in human arterial and venous circulation 

      Schoevers, Jacobus Engelbertus (Stellenbosch : Stellenbosch University, 2008-03)
      ENGLISH ABSTRACT: Conventional pulse oximetry has limited accuracy in measuring blood oxygen saturation in low saturation and perfusion scenarios. This limits the application of pulse oximetry in patients su ering from ...
    • A low cost, high precision star sensor 

      Jacobs, M. J. (Stellenbosch : University of Stellenbosch, 1995-12)
      ENGLISH ABSTRACT: The Sunsat microsatellite is being developed at the University of Stellenbosch. It is equipped with a high resolution earth imager which requires a sophisticated attitude determination and control system. ...
    • Low Earth orbit satellite constellation control using atmospheric drag 

      Du Toit, Daniel N.J. (Stellenbosch : University of Stellenbosch, 1997-03)
      This dissertation considers the feasibility of using atmospheric drag to control constellations of micro-satellites in low Earth orbits. The constellation control requirements include an acquisition phase and a maintenance ...
    • Low earth orbit satellite propagators 

      Du Plessis, Jan Abraham Francois (Stellenbosch : Stellenbosch University, 1999-12)
      ENGLISH ABSTRACT: The objective of this study was to implement an orbital propagation algorithm, which could be used for the purpose of mission planning and hardware-in- the-loop simulations for the SUNSAT microsatellite. ...
    • Low impedance characterisation and modeling of high power LDMOS devices 

      Malan, Pieter Jacob De Villiers (Stellenbosch : University of Stellenbosch, 2005-12)
      In RF power transistor characterisation, the designer is confronted with low impedance measurements (typically from 1 Ohm to 12 Ohm). These transistors are contained in metal-ceramic packages of which the lead widths ...
    • A low noise PLL-based frequency synthesiser for X-band radar 

      Moes, Henderikus Jan (Stellenbosch : Stellenbosch University, 2008-03)
      This thesis discusses the design, development and measured results of a phase-locked loop based frequency synthesiser for X-band Doppler radar. The objective is to obtain phase noise comparable or lower than that typically ...
    • Low phase noise cylindrical cavity oscillator 

      Maree, Jacques (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: The objective of this thesis is to develop a 9.2 GHz low phase noise oscillator with a cylindrical cavity resonator. A cylindrical metal cavity with air as dielectric was used as a resonator. To minimise ...
    • Low-cost, portable biosensors for Escherichia coli detection in water 

      Maas, Michael Benjamin (Stellenbosch : Stellenbosch University, 2015-12)
      ENGLISH ABSTRACT: Low-cost, portable biosensors for the detection of Escherichia coli (E. coli) in water were investigated. The operating principle of various biosensors is discussed at the hand of a biosensor model. ...