Browsing Research Articles (Industrial and Systems Engineering) by Title

Browsing Research Articles (Industrial and Systems Engineering) by Title

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  • Selecting a public service delivery assessment tool for South Africa : an application of the AHP method 
    Ajayi, O.; De Vries, Marne (Southern African Institute for Industrial Engineering, 2022-05-06)
    Many service delivery performance assessment (SDPA) tools exist globally that address the need to measure actual performance against pre-defined standards and to take corrective action to improve service delivery. The ...
  • Selecting a scaled agile approach for a fin-tech company 
    Christopher, Lauren Alisa; De Vries, Marne (Southern African Institute for Industrial Engineering, 2020-11-11)
    Agile methodologies were created for small co-located teams; but their benefits are now needed for projects with multiple, geographically dispersed teams. This raises the issue of scaled Agile — the modification of Agile ...
  • Silindriese interpolasie 
    Lubbe, Andre J. (South African Journal of Industrial Engineering, 1992-12)
    In the manufacturing process of cylindrical cams with numerically controlled milling machines, the programming as well as the machining of accurate profiles normally turn out to be problematic. In an effort to overcome ...
  • Simulation modelling as a tool for performing availability and sensitivity analysis 
    Kruger, P.S. (Paul Stephanus), 1944-; Schutte, C.S.L. (Southern African Institute for Industrial Engineering, 1990-06)
    Simulation modelling is a general purpose tool that may be used to provide decision support in a number of application areas. It may be used to analyze, design or "optimize" manufacturing, materials handling, management, ...
  • Simulation modelling as a tool for performing availability and sensitivity analysis 
    Kruger, P.S. (Paul Stephanus), 1944-; Schutte, C.S.L. (South African Journal of Industrial Engineering, 1990-06)
    Simulation modelling is a general purpose tool that may be used to provide decision support in a number of application areas. It may be used to analyze, design or "optimize" manufacturing materials handling, management ...
  • Six Sigma as a total quality management tool 
    Odendaal, C.E.; Claasen, S.J. (Schalk Johannes) (Southern African Institute for Industrial Engineering, 2002)
    The ultimate goal of most companies is to make money and even more money in the future. Part of increasing profits means reducing costs, improving quality and increasing throughput. This paper describes the use of Six ...
  • Software tools for the development of Expert Systems 
    Kruger, P.S. (Paul Stephanus), 1944- (South African Journal of Industrial Engineering, 1989-06)
    This paper will attempt to provide information with regard to some of the expert system development tools that are available. It will also provide some guidelines which may be used in the selection of appropriate system ...
  • Solving the buffer allocation problem using simulation-based optimisation 
    Joubert, Johannes Willem; Kotze, D.J. (Operations Research Society of South Africa, 2020)
    In production lines, buffers function as a means to decouple stations, which reduce the effect that station failures and varying process times have on the complete line's throughput. However, adding larger buffers can be ...
  • A South African scenario for emissions modelling 
    Joubert, Johan W.; Grabe, Ruan Johannes (Elsevier, 2021)
    Scenarios with high levels of diversity lend themselves to be represented or imitated by disaggregate, agent-based models as the individual agents can capture the unique attributes of the constituents of the overall system. ...
  • Splitting procedures for the mixed capacitated arc routing problem under time restrictions with intermediate facilities 
    Willemse, Elias J.; Joubert, Johannes Willem (Elsevier, 2016-09)
    This paper develops optimal and quick near-optimal splitting procedures for the Mixed Capacitated Arc Routing Problem under Time restrictions with Intermediate Facilities. Splitting procedures are a key component of giant ...
  • Stochastic differential equation-based flexible software reliability growth model 
    Kapur, P.K.; Anand, Sameer; Yamada, Shigeru; Yadavalli, Venkata S. Sarma (Hindawi, 2009)
    Several software reliability growth models (SRGMs) have been developed by software developers in tracking and measuring the growth of reliability. As the size of software system is large and the number of faults detected ...
  • Stochastic fractional programming approach to a mean and variance model of a transportation problem 
    Charles, V.; Yadavalli, Venkata S. Sarma; Rao, M.C.L.; Reddy, P.R.S.; Judice, J.J. (Hindawi Publishing Corporation, 2011-02-23)
    In this paper, we propose a stochastic programming model, which considers a ratio of two nonlinear functions and probabilistic constraints. In the former, only expected model has been proposed without caring variability ...
  • Stochastic model for common cause failures and human error 
    Yadavalli, Venkata S. Sarma; Bekker, Andriette, 1958- (Southern African Institute for Industrial Engineering, 2005-05)
    A consistent asymptotic normal (CAN) estimator and confidence limits for the steady-state availability of series and parallel systems subject to unit failures, common-cause shock (CCS)failures and human error are studied. ...
  • A stochastic model of the dynamics of HIV under a combination therapeutic intervention 
    Yadavalli, Venkata S. Sarma; Labeodan, Moremi Morire OreOluwapo; Udayabaskaran, Swaminathan; Mwanga, Y.A. (Operations Research Society of SA, 2009)
    Drug resistance to single therapeutic treatment in HIV infected individuals has promoted research into combined treatments. In this paper we propose a stochastic model under combined therapeutic treatment by extending ...
  • A stochastic point process model of the incubation period of a HIV infected individual 
    Yadavalli, Venkata S. Sarma; Labeodan, Moremi Morire OreOluwapo; Udayabaskaran, Swaminathan (South African Statistical Association, 2011)
    The inability to get people to regularly test and know their HIV status has caused the widespread unavailability of correct and comprehensive data on HIV infection especially the time at which an individual was first ...
  • Stochastic simulation for budget prediction for large surface mines in the South African mining industry 
    Hager, J.; Yadavalli, Venkata S. Sarma; Webber-Youngman, R.C.W. (Southern African Institute of Mining and Metallurgy, 2015-06)
    This article investigates the complex problem of a budgeting process for a large mining operation. Strict adherence to budget infers that financial results align with goals. In reality, the budget is not a predetermined ...
  • A supply chain management model to optimise the sorting capability of a ‘third party logistics’ distribution centre 
    Yadavalli, Venkata S. Sarma; Balcou, C. (Association for Professional Managers in South Africa, 2017-03)
    In this paper, the process flow within a high-end 3PL distribution centre is studied in order to determine the optimal split between the parcel size categories moved within the system. The article considers the application ...
  • Supply chain micro-communities in urban areas 
    Viljoen, N.M. (Nadia); Joubert, Johannes Willem (Elsevier, 2019-01)
    An increase in urban freight transport is inevitable as growing urban populations require more goods, more conveniently. A deeper understanding of the geography and trends of urban freight transport must recognise that it ...
  • Supply planning in the South African automotive industry 
    Stark, V.; Van Schoor, Christiaan de Wet; Strasheim, J.J. (Southern African Institute for Industrial Engineering, 2005-11)
    Supply planning in the automotive industry is a vital ingredient for supply chain integration. The role and function of a supply planner, although clearly defined in European developed methods, lacks the practical ...
  • Surface roughness prediction using a hybrid scheme of difference analysis and adaptive feedback weights 
    Ayomoh, Michael Kweneojo; Abou-El-Hossein, K.A. (Elsevier, 2021-03)
    This research has presented an optimum model for surface roughness prediction in a shop floor machining operation. The proposed solution is premised on difference analysis enhanced with a feedback control model capable ...