Author:Vogt, D; Nyareli, TDate:Jun 2008It is difficult to build directional antennas for borehole radar due to the limited space available in the borehole. Recently published results show, however, that it is possible to obtain directional information even from electrically small ...Read more
Author:Ngobeni, Sipho J; Venter, HSDate:Jul 2009The proliferation of wireless mobile communication technology has emerged and this has resulted in the increase of the wireless users. On the other hand, cyber crime in WLANs has appeared to be gradually increasing world wide. Wireless network ...Read more
Author:Bender, B; Grum, M; Gronau, N; Alfa, Atahiru; Maharaj, BTDate:Jun 2019Modern production infrastructures of globally operating companies usually consist of multiple distributed production sites. While the organization of individual sites consisting of Industry 4.0 components itself is demanding, new questions ...Read more
Author:Sabatta, DGDate:Nov 2009Before a robot may be classed as an autonomous system, it must be able to move unaided in an environment. In a known environment or with pre-recorded trajectories, this reduces to the problem of path following. In order to follow an arbitrarily ...Read more
Author:De Villiers, MDate:Feb 2011This research project proposes the development of an autonomous, omnidirectional vehicle that will be used for general indoor service applications. A suggested trial application for this service robot will be to deliver printouts to various ...Read more
Author:Adebesin, F; Kotzé, PaulaDate:Jun 2012The Digital Doorway (DD) is a joint initiative between the South African Department of Science and Technology (DST) and the Meraka Institute of the Council for Scientific and Industrial Research (CSIR). The DD is a non-standard computer system ...Read more
Author:Botha, LDate:Sep 2012The cost of antennas for instrumentation radars are determined by the development cost. By re-use of the reflector system cost effective antennas can be designed. The factors governing the design of such antennas are described here.Read more
Author:Labuschagne, WA; Burke, Ivan D; Veerasamy, Namosha; Eloff, MMDate:Aug 2011Social networking sites are a popular medium of interaction and communication. Social networking sites provide the ability to run applications and games to test users’ knowledge. The popularity of social networks makes it an ideal tool through ...Read more
Author:Bembe, MJ; Lysko, Albert A; Nyandeni, TC; Clark, WDate:Aug 2009The electronically steerable parasitic array radiator (ESPAR) antenna system is configured with one feed radiating element and N-parasitic radiating elements. The radiation pattern is electronically controlled by means of the variable devices ...Read more
Author:Dickens, John S; Maweni, Thabisa; Setati, Tiro; Suddoo, ZubairDate:Nov 2023The HERMES autonomous surveillance robot platform is a low-cost outdoor autonomous surveillance vehicle. It is designed to autonomously patrol outdoor areas performing surveillance and providing automated alerts of detected vehicles and ...Read more
Author:Watson, BP; Kuijpers, JS; Stacey, TRDate:Oct 2010The Bushveld platinum group metal deposits are two distinct, shallow-dipping stratiform tabular orebodies which strike for many hundreds of kilometres. Mining is extensive, with depths ranging from close-to-surface to 2 300 m. The mining ...Read more
Author:Shingange, Katekani; Swart, HC; Mhlongo, Gugu HDate:Apr 2020This work reports on the fabrication of remarkably selective and sensitive LaCoO3 nanofibers (NFs) based sensors obtained after annealing at different temperatures of 550, 650, and 700 °C. Findings from field emission scanning electron and ...Read more
Author:Shingange, Katekani; Swart, HC; Mhlongo, Gugu HDate:Apr 2020This work reports on the fabrication of remarkably selective and sensitive LaCoO3 nanofibers (NFs) based sensors obtained after annealing at different temperatures of 550, 650, and 700 °C. Findings from field emission scanning electron and ...Read more
Author:Xungu, Sipho A; Notununu, Lwando G; Mbizeni, Asanda; Dickens, John SDate:Nov 2017Locomotives are at risk to collisions and derailment due to obstacles on the track. Trains do not have the ability to steer around obstacles, they are confined to the track and depend on stopping to avoid hazards. These accidents often result ...Read more
Author:Mofolo, MOR; Lysko, Albert ADate:Sep 2013It is often convenient to power up peripheral devices directly from the host device interface, without a need for additional and/or external power supply. In this paper we present a design of the RS232-powered controller for electronically ...Read more
Author:Dlamini, Zama I; Olivier, MS; Grobler, Marthie MDate:2016This study focuses on the Smartphone Evidence Awareness skills of smartphone users with regard to collecting, preserving and handling such data. This paper presents the smartphone evidence awareness training program. This training program is ...Read morecb
Author:Goliger, Adam M; Gizejowski, M; Cwik, M; Mahachi, JDate:Sep 2010This paper presents a review of the most relevant issues related to the structural and architectural design of large sport stadia, with the particular concern of wind loading aspects of these types of structures. The role and relevance of ...Read more
Author:Nel, JJ; Roodt, JH; Oosthuizen, RudolphDate:Jun 2007The Ground Based Air Defence System (GBADS) acquisition programme, of the South African National Defence Force (SANDF), provided an opportunity to apply Modelling and Simulation (M&S), at a system of systems level, for acquisition risk ...Read more
Author:Roos, TH; Maharajh, Dheepak M; Griffith, DJDate:Sep 2010A compound parabolic concentrator (CPC) with a concentration ratio of 16:1 is under development at CSIR for volumetric receiver and solar fuels development. The ideal shape has been approximated by 6 and 12 facets in the longitudinal and ...Read more