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Browsing Modelling and digital science by Title

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  • Mathabathe, Maria N; Bolokang, Amogelang S; Govender, Gonasagren; Mostert, RJ; Siyasiya, CW (Pergamon-Elsevier, 2018-08)
    The y-TiAl intermetallic alloy doped with Nb, Cr, and Si metals has been developed. It has emerged that the ternary Ti-48Al-2Nb and quinary Ti-48Al-2Nb-0.7Cr-0.3Si alloys yielded the best mechanical and cyclic oxidation ...
  • De Waal, A; Willers, Cornelius J; Roodt, JHS; Mudau, AE (INCOSE South Africa, 2013-08)
    A commonly-used term in the simulation domain is ‘validation, verification and accreditation’ (VVA). When analysing simulation predictions for the purpose of system solution development and decision-making, one key question ...
  • Govender, Nicolin; Pizette, P; Wilke, DN; Abriak, N (CIMNE - Congress Bureau, 2015-09)
    Understanding the dynamical behavior of particulate materials is extremely important to many industrial processes, with typical applications that range from hopper flows in agriculture to tumbling mills in the mining ...
  • Van der Walt, Christiaan M; Barnard, E (Association for the Advancement of Artificial, 2017-02)
    Estimating the joint probability density function of a dataset is a central task in many machine learning applications. In this work we address the fundamental problem of kernel bandwidth estimation for variable kernel ...
  • Mthethwa, Sthembile; Dlamini, Nelisiwe P (2018-03)
    Hardcopy document forgery is still a challenge and occurs frequently nowadays. Many countries have reported a lot of cases, including South Africa where government issues documents are forged. Protecting these documents ...
  • Seotsanyana, M; Geldenhuys, J (2009-11)
    The ever-increasing reliance of society on computers has led to a need for highly reliable systems. Computer systems perform critical functions in a number of areas ranging from online transaction processing (such as banking ...
  • Aderonmu, AI; Rotimi, AH; Masonta, Moshe T; Mzyece, M (Springer, 2012-11)
    Radio Frequency (RF) spectrum is a natural resource widely used by wireless network operators to provide radio communications or transmission systems (e.g. telephone operators and TV broadcast stations). Scarcity of RF ...
  • Pejovic, V; Johnson, DL; Zheleva, M; Belding, EM; Lysko, Albert A (2014-01)
    White spaces promise to revolutionize the way wireless connectivity is delivered over wide areas. However, large-scale white space networks face the problem of allocating channels to multiple contending users in the wide ...
  • Vorster, J; Irwin, B; Van Heerden, Renier P (Academic Conferences and Publishing International, 2018-03)
    During the past decade, the sophistication and maturity of Enterprise-level Information Security (EIS) Standards and Systems has increased significantly. This maturity, particularly in the handling of enterprise-wide ...
  • Kanjee, R; Bachoo, AK; Carroll, J (IEEE Xplore, 2013-10)
    Adaptive Cruise Control (ACC) is a relatively new system designed to assist automobile drivers in maintaining a safe following distance. This paper proposes and validates a vision-based ACC system which uses a single camera ...
  • Sabatta, D; Siegwart, R (2013-05)
    In this paper we present a vision-based path following algorithm for a non-holonomic wheeled platform capable of keeping the vehicle on a desired path using only a single camera. The algorithm is suitable for teach and ...
  • Sabatta, DG (2008-11)
    This paper proposes a topological mapping technique that utilises persistent SIFT features to reduce the amount of data storage required. It delivers, as an output, a topological map that lends itself well to conventional ...
  • Matyila, M; Botha, Adèle; Alberts, R; Sibiya, G (IST Africa, 2014-05)
    Mobile services and mobile content is available to diverse users in possession of the necessary mobile phones. However, some of the mobile services and mobile content is text intensive and this discounts low literate users ...
  • De Saxe, Christopher; Cebon, D (2016-11)
    Application of articulated and Long Combination Vehicles (LCVs) in challenging off-highway applications is possible with the use of path-following trailer steering. This requires an accurate estimate of trailer off-tracking, ...
  • Burke, Michael G (Stellenbosch University, 2011-03)
    This thesis presents work completed on the design of control and vision components for use in a monocular vision-based human-following robot. The use of vision in a controller feedback loop is referred to as vision-based ...
  • Thomas, A; Gerber, AJ; Van der Merwe, A (Science and Technology Publications, Lda, 2015-11)
    Diagrams are often studied as visual languages with an abstract and a concrete syntax (concrete syntax is often referred to as visual syntax), where the latter contains the visual representations of the concepts in the ...
  • Mpalane, Kealeboga; Gasela, N; Esiefarienrhe, BM; Tsague, HD (IEEE, 2016-09)
    A wide variety of cryptographic embedded devices including smartcards, ASICs and FPGAs must be secure against breaking in. However, these devices are vulnerable to side channel attacks. A side channel attack uses physical ...
  • Adekola, O; Majozi, T (Elsevier, 2011-12)
    Wastewater minimization can be achieved by employing water reuse opportunities. This paper presents a methodology to address the problem of wastewater minimization by extending the concept of water reuse to include a ...
  • Msiza, IS; Nelwamondo, Fulufhelo V; Marwala, T (Academy Publisher, 2008-11)
    Computational Intelligence techniques have been proposed as an efficient tool for modeling and forecasting in recent years and in various applications. Water is a basic need and as a result, water supply entities have the ...
  • Heyns, Johan A; Oxtoby, Oliver F; Malan, AG (ECCOMAS 2012, 2012-09)
    This study presents the development and extension of free-surface modelling techniques with the purpose of improving the modelling accuracy for liquid-gas sloshing. Considering high density ratio fluids under low Mach ...

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