Browsing Research Articles (Industrial and Systems Engineering) by Title

Browsing Research Articles (Industrial and Systems Engineering) by Title

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  • Minimising electricity costs by developing an effective combination of alternative energy sources 
    Yadavalli, Venkata S. Sarma; Steyl, J. (Southern African Institute for Industrial Engineering, 2020-12)
    This study evaluates the high electricity costs faced at a carpet manufacturing company. Research was conducted by focusing on the supply and availability of electricity in South Africa and alternative energy sources. ...
  • Missie-analise en steunbaarheid 
    Kleinschmidt, Heinrich; Kruger, P.S. (Paul Stephanus), 1944- (South African Journal of Industrial Engineering, 1989-12)
    The concepts of mission analysis and supportability are considered from the first principles of processes and the interface between the two concepts are discussed.
  • A model to optimize payloads at PFG Building Glass 
    Brits, R.; Conradie, Pieter J. (Southern African Institute for Industrial Engineering, 2003)
    While improving customer service by allowing user definable mixed load orders of their plate glass product, PFG Building Glass was confronted with a problem of calculating the feasibility and optimum load layout for ...
  • Modeling and characterizing software vulnerabilities 
    Bhatt, Navneet; Anand, Adarsh; Yadavalli, Venkata S. Sarma; Kumar, Vijay (IJMEMS, India, 2017)
    With the association of software security assurance in the development of code based systems; software developers are relying on the Vulnerability discovery models to mitigate the breaches by estimating the total number ...
  • Modelling of a stochastic continuous system 
    Albertyn, Martin; Kruger, P.S. (Paul Stephanus), 1944- (Southern African Institute for Industrial Engineering, 1998)
    The key objective is to develop a method which can be utilized to model a stochastic continuous system. A system from the "real world" is used as the basis for the simulation modelling technique that is presented. The ...
  • Modelling of uncertainty in minimising the cost of inventory for disaster relief 
    Van Wyk, Estelle; Bean, Willemiena Lodewika; Yadavalli, Venkata S. Sarma (Southern African Institute for Industrial Engineering, 2011-05)
    Natural disasters - and even those caused by people - are largely unpredictable. So disasters need to be researched and their impact fully understood, so that the aid supplies required to ensure survival during and after ...
  • Modelling receiver logistics behaviour 
    Bean, Willemiena Lodewika; Joubert, Johannes Willem (Elsevier, 2019)
    There is a need for collaborative urban freight planning and appropriate decision and planning support tools are lacking, resulting in inadequate understanding of how urban freight agents should collaborate and what benefits ...
  • Modelling T4 cell count as a marker of HIV progression in the absence of any defense mechanism 
    Yadavalli, Venkata S. Sarma; Labeodan, Moremi Morire OreOluwapo; Udayabaskaran, Swaminathan; Forche, N. (Operations Research Society of SA, 2010-08)
    The T4 cell count, which is considered one of the markers of disease progression in an HIV infected individual, is modelled in this paper. The World Health Organisation has recently advocated that countries encourage HIV ...
  • The moderating effect of industry clockspeed on lean manufacturing implementation in Zimbabwe 
    Maware, Catherine; Adetunji, Olufemi (Emerald, 2019-12)
    PURPOSE : The purpose of this paper is to analyze the moderating impact of industry clockspeed (IC) on the relationship between Lean Manufacturing (LM) practices and operational performance. A model for evaluating the ...
  • A modular design of a wall-climbing robot and its mechatronics controller 
    Tlale, Nkgatho S. (Southern African Institute for Industrial Engineering, 2006-11)
    The modular design of a wall-climbing robot, implementing two articulated legs per module (biped robotic modules), is presented in this paper. Modular design improves a wall-climbing robot’s manoeuvrability and flexibility ...
  • A multi-method simulation model to investigate the impact of sunflower seed segregation on silos 
    Coetsee, Louise; Bean, Willemiena Lodewika (Elsevier, 2024-04)
    The South African sunflower industry is considering transferring to a quality-based marketing system driven by an incentive. However, the ability of silos to offer necessary segregation services is critical in such a ...
  • A multi-objective fuzzy mathematical approach for sustainable reverse supply chain configuration 
    Darbari, Jyoti D.; Agarwal, Vernika; Yadavalli, Venkata S. Sarma; Galar, Diego; Jha, Prakash C. (AOSIS Open Journals, 2017-03-27)
    BACKGROUND : Designing and implementation of reverse logistics (RL) network which meets the sustainability targets have been a matter of emerging concern for the electronics companies in India. OBJECTIVES : The present ...
  • Multilayered complex network datasets for three supply chain network archetypes on an urban road grid 
    Viljoen, N.M. (Nadia); Joubert, Johannes Willem (Elsevier, 2018-02)
    This article presents the multilayered complex network formulation for three different supply chain network archetypes on an urban road grid and describes how 500 instances were randomly generated for each archetype. Both ...
  • The necessity of information quality for effective business intelligence 
    Conradie, Pieter J.; Kruger, P.S. (Paul Stephanus), 1944- (Southern African Institute for Industrial Engineering, 2006-05)
    Data quality, or rather the lack thereof, has been the downfall of many Data warehousing (DW) / Business Intelligence (BI) projects. The concept of Information Quality (IQ) has become increasingly important as the ...
  • A new demo modelling tool that facilitates model transformations 
    Gray, Thomas; Bork, Dominik; De Vries, Marne (Springer, 2020-05)
    The age of digitization requires rapid design and re-design of enterprises. Rapid changes can be realized using conceptual modelling. The design and engineering methodology for organizations (DEMO) is an established modelling ...
  • A new process improvement approach for management consultancy organisations 
    De Vries, Marne; Conradie, Pieter J. (Southern African Institute for Industrial Engineering, 2006-11)
    Management consultancy organisations of the 21st century realise that they need to move away from balance sheet accounting systems as the primary tool of management. Intangible assets, such as knowledge, skills and process ...
  • A nodal approach for estimating potential cycling demand 
    Hitge, Gerhard; Joubert, Johannes Willem (Elsevier, 2021-01)
    Establishing cycling as a prominent utility mode is recognised as central to creating sustainable transport systems in many cities around the world. Strategies of starter cycling cities are often biased to the supply of ...
  • An object oriented approach towards the specification of simulation models 
    Janse van Rensburg, Antonie C. (Southern African Institute for Industrial Engineering, 1994-12)
    To manage problems, is to try and cope with a flux of interacting events and ideas which unrolls through time - with the manager trying to improve situations seen as problematical, or at least as less than perfect. The ...
  • On distributed mechatronics controller for omni-directional autonomous guided vehicles 
    Tlale, Nkgatho S. (Emerald, 2006)
    Purpose – In this paper, two omni-directional mobile vehicles are designed and controlled implementing distributed mechatronics controllers. Omni-directionality is the ability of mobile vehicle to move instantaneously in ...
  • On Gaver's parallel system 
    Vanderperre, E.J.; Yadavalli, Venkata S. Sarma; Makhanov, S.S. (Southern African Institute for Industrial Engineering, 2004)
    Gaver’s parallel system (and its variants) has received considerable attention in the literature. The Laplace-transform (LT) of the survival function, corresponding to the underlying systems, has been derived by various ...