Author:Fanta, GB; Erasmus, Louwrence DDate:Oct 2014The implementation of eHealth systems in South Africa did not generate the expected output. This paper investigates the impact of system engineering management (SEM) practices on the efficiency and effectiveness of eHealth system in two South ...Read more
Author:Fanta, GB; Erasmus, Louwrence DDate:Sep 2015The expected outputs and outcomes for healthcare services delivery were not realized by the implemented eHealth systems in South Africa. This paper investigates the impact of system engineering management (SEM) practices on the efficiency and ...Read more
Author:Goncalves, Duarte PDDate:Aug 2019Various belief constructs such as framing, dualisms, worldviews, paradigms, and values are discussed to understand how these might result in scotomas. The observer is not independent and objective but has purpose and values within a group ...Read more
Author:Pillay, Kasandra; Erasmus, Louwrence D; Pretorius, JCDate:Sep 2021The growing importance of advanced or value-added services (services over and above basic connectivity services) in national research and education networks (NRENs) is well understood in the research and education community. These services ...Read more
Author:Snyman-van der Walt, Luanita; Schreiner, Gregory O; Lochner, Paul ADate:Dec 2022Those mandating, commissioning and practising Impact Assessment (IA) have been aware for some time that systems thinking tools need to be better integrated into assessment- and decision-making. The research community has been especially vocal ...Read more
Author:Du Plessis, JJL; Bryden, DJDate:Jan 1997In response to the need for enhanced precautionary measures to safeguard mine workers in collieries from the consequences of methane ignitions in a heading, the coal mining industry has expressed the desire for the development and testing of ...Read more
Author:Van Zyl, Louwrens H; Gledhill, Irvy MADate:Nov 2011A grid was generated with the base of the fin, i.e. the hinge line, on the axis of a cylindrical domain with a diameter of 2m. Due to the axial symmetry of the setup, rotation of the T-tail should not change the pressure distribution on the ...Read more
Author:Moller, H; Govender, G; Stumpf, WDate:Apr 2009The T5 heat treatment of semi-solid metal (SSM) processed alloy F357 was investigated by considering the effects of cooling rate and natural aging after casting, as well as artificial aging parameters on tensile properties. In addition, the ...Read more
Author:Moller, H; Govender, G; Stumpf, WEDate:2008Semi-solid metal (SSM) processing is a unique manufacturing method to produce near-net shape products for various industrial applications. The aim is to obtain a semi-solid structure free of dendrites (which are formed by conventional liquid ...Read more
Author:Sebetoa, Matlapane R; Nwanebu, Docas; Malinga, Andries L; Venter, Jacobus PDate:Aug 2023Enabling Forward Air Control (FAC) through the Tactical Data Link (TDL) is an essential capability in modern military operations, providing effective Close Air Support (CAS). The modern TDL-based FAC system can enable faster, more reliable, ...Read more
Author:Smith, Andrew C; Springhorn, H; Mulligan, SB; Weber, I; Norris, JDate:May 2011We describe a new programming language that is based on physical elements and especially developed to test the hypothesis that a physical computer programming language is possible. This imperative language is deliberately limited to a few ...Read more
Author:De Saxe, C; Kienhofer, F; Nordengen, Paul ADate:Sep 2012The practice of issuing of abnormal load permits to South African car-carriers (allowing a 300 mm increase in height and 500 mm increase in length) is being phased out. Such allowances will only be granted if a car-carrier complies with the ...Read more
Author:Chen, H; Ojijo, Vincent O; Cele, H; Joubert, T; Ray, SS; Land, KDate:Mar 2014SU-8/Clay nanocomposite is considered as a candidate material for microcantilever sensor fabrication. Organically modified montmorillonite clay nanoparticles are dispersed in the universally used negative photoresist polymer SU-8, for a low ...Read more
Author:Dlodlo, N; Tolmay, JPDate:2011This paper describes an architecture that was designed to enable access to the scenarios/challenges on the SINGA platform. SINGA is a virtual platform that enables children facing barriers of access to information, services and people to learn ...Read more
Author:Labuschagne, Philip W; Moolman, FSDate:Nov 2011This presentation compiles a summary of current technologies to improve oxygen barrier properties of plastics.Read more
Author:Du Plessis, CDate:Sep 2002Doing business in developing countries requires a thorough understanding not only of the challenges, but also of the differences of opinion that shapes people’s attitudes and choices. Working in developing countries certainly brings with it ...Read more
Author:Smith, Andrew CDate:Nov 2006This paper describes early results in the development of an alternative programming method which uses large, three-dimensional acrylic blocks to construct programming sequences. Computer illiterate children can create a symbolic program to ...Read more
Author:Smith, Andrew CDate:Apr 2010Various modes of tangible interfaces have been explored and researched. In this paper we limit our look at tangible user interfaces to a subset of these. The subset is characterised by portability and no attached tethers, be they mechanical ...Read more
Author:Smith, Andrew CDate:Sep 2018It is a fundamental Human-Computer Interaction problem to design a tangible programming environment for use by multiple persons that can also be individualised. This problem has its origin in the phenomenon that the meaning an object holds ...Read more
Author:Roux, SDate:Jul 2011At the CSIR’s National Laser Centre, a team of researchers is pursuing Free Space Quantum Communication: transmitting optical signals by using the quantum properties of laser light. The aim is to provide secure and safe ways of communication ...Read more