Browsing Faculty of Engineering by Title

Now showing items 192-211 of 2452

    • Autonomous docking for a satellite pair using monocular vision 

      Mienie, Dewald (Stellenbosch : University of Stellenbosch, 2009-03)
      Autonomous rendezvouz and docking is seen as an enabling technology. It allows, among others, the construction of larger space platforms in-orbit and also provides a means for the in-orbit servicing of space vehicles. In ...

    • Autonomous flight control system for an airship 

      Avenant, Gerrit Christiaan (Stellenbosch : University of Stellenbosch, 2010-03)
      ENGLISH ABSTRACT: In recent years, the use of airships has become popular for observation purposes since they provide a cost effective alternative to other aircraft. For this project a lateral and longitudinal flight ...

    • Autonomous flight of a model aircraft 

      Peddle, Iain K. (Stellenbosch : Stellenbosch University, 2005-03)
      The successful development of a conventional flight autopilot for a model aircraft is presented. All aspects of the autopilot design are considered, from modeling to flight tests. A mathematical aircraft model, as a ...

    • Autonomous flight of an unmanned helicopter 

      Rossouw, Louis-Emile (Stellenbosch : Stellenbosch University, 2008-03)
      ENGLISH ABSTRACT: The successful development of an autopilot for an unmanned helicopter is presented. The helicopter model is developed from first principles. The model is decoupled to enable the design of four separate ...

    • Autonomous landing of a fixed-wing unmanned aerial vehicle onto a moving platform 

      Le Roux, Cornelus Tjaart (Stellenbosch : Stellenbosch University, 2016-12)
      ENGLISH ABSTRACT: This thesis presents the analysis, design, simulation, implementation and partial practical flight testing of a flight control system to achieve accurate autonomous landing of a fixed-wing unmanned aerial ...

    • Autonomous landing of a fixed-wing unmanned aerial vehicle using differential GPS 

      Smit, Samuel Jacobus Adriaan (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: This dissertation presents the design and practical demonstration of a flight control system (FCS) that is capable of autonomously landing a fixed-wing, unmanned aerial vehicle (UAV) on a stationary ...

    • Autonomous landing of a fixed-Wing unmanned aircraft with partialwing and stabiliser losses 

      Hugo, Gideon (Stellenbosch : Stellenbosch University, 2017-03)
      ENGLISH ABSTRACT: This thesis presents the design, implementation and verification of an autonomous landing system for a fixed-wing unmanned aerial vehicle that is able to land the aircraft after suffering partial wing ...

    • The autonomous landing of an unmanned helicopter on a moving platform 

      Fourie, Christopher Kurt (Stellenbosch : Stellenbosch University, 2015-12)
      ENGLISH ABSTRACT: This work details the design and implementation of an autonomous landing system for an unmanned helicopter. The system was broken down in to two separate systems - an autonomous navigation and control ...

    • Autonomous navigation using ad-hoc networking 

      Potgieter, Jurgens Louis (Stellenbosch : Stellenbosch University, 2008-03)
      ENGLISH ABSTRACT: A solution for autonomous navigation is described and demonstrated using simulations. The novelty is to use a set of interconnecting nodes with self-locating properties for navigation. This work defines ...

    • Autonomous take-off and landing of a fixed wing unmanned aerial vehicle 

      Roos, Jan-Cor (Jan Corver) (Stellenbosch : Stellenbosch University, 2007-03)
      ENGLISH ABSTRACT: The successful design and practical demonstration of controllers required for autonomous take-off and landing of a fixed wing unmanned aerial vehicle is presented. The project serves as an extension to ...

    • An autonomous, omnidirectional, digital, borehole imaging system 

      Sindle, Timothy Grant (Stellenbosch : Stellenbosch University, 2005-04)
      ENGLISH ABSTRACT: This thesis documents the research, design, implementation and successful testing of a prototype camera probe to survey the inside of hard rock boreholes. Rock core images are intended to aid mine ...

    • Bacterial production of antimicrobial biosurfactants 

      Ballot, Francis (Stellenbosch : University of Stellenbosch, 2009-03)
      Surfactants are compounds that reduce interfacial surface tension, resulting in detergency, emulsifying, foaming and dispersing properties. Surfactants produced via biochemical processes (biosurfactants) form a niche market ...

    • Bacterial production of antimicrobial biosurfactants by Bacillus subtilis. 

      Bence, Keenan (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: Biosurfactants are microbially produced molecules that show excellent surface-active properties. Bacillus subtilis ATCC 21332 produces the biosurfactant, surfactin, which exhibits antimicrobial activity ...

    • Balancing runtime space- and time complexity in synthetic database driven hand posture reconstruction systems 

      De Villiers, H. A. C.; Niesler, T. R.; Van Zijl, L. (PRASA, 2010-11)
      Hand posture reconstruction systems based on large databases of synthetically rendered images of a 3D hand model offer a simple and flexible means of exploiting domain knowledge to provide training data. Such systems ...

    • Barriers and the success factors for the implementation of the NEC within the civil engineering industry of South Africa 

      Van den Berg, Marijn (Stellenbosch : Stellenbosch University, 2015-03)
      ENGLISH ABSTRACT: After its introduction in 1993, the use of the NEC is still limited in the civil engineering industry of South Africa. The benefits of the NEC however appear to be promising. This research identifies ...

    • Baseband compensation principles for defects in quadrature signal conversion and processing 

      Van Rooyen, Gert-Jan (Stellenbosch : Stellenbosch University, 2004-04)
      ENGLISH ABSTRACT: Keywords: software-defined radio, SDR, quadrature mixing, quadrature modulation, quadrature demodulation, digital compensation, software radio, direct-digital synthesis, DDS. An often-stated goal of ...

    • Bayesian signal processing of doppler radar data 

      De Villiers, Charl Felix (Stellenbosch : Stellenbosch University, 2016-12)
      ENGLISH ABSTRACT: The aim of this thesis is to investigate a Bayesian approach to signal processing of Doppler radar data. The problem of interest involves measured Doppler radar signals measured for golf players' club ...

    • A beam finite element for the analysis of structures in fire 

      Walls, Richard Shaun (Stellenbosch : Stellenbosch University, 2016-12)
      ENGLISH ABSTRACT: All building structures require a specified fire resistance rating and numerous procedures have been produced for ensuring this. In engineering practice designers can generally not perform detailed ...

    • Beamforming for radio astronomy 

      Van Tonder, Vereese (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: Beamforming is a technique used to combine signals from an array of antennas to effectively synthesize a single aperture and beam. In the Radio Astronomy community the technique is used to obtain a ...

    • Beamforming techniques for a quad-mode antenna array 

      Van Tonder, Geomarr (Stellenbosch : Stellenbosch University, 2017-03)
      ENGLISH ABSTRACT: This thesis is based on a quad-mode antenna, designed by a group of researchers from the University of Stellenbosch. The antenna is designed using two co-located dipoles and a cylindrical monopole antenna ...