• Revisiting shift cipher technique for amplified data security 

  Verma, Raksha; Kumari, Anjali; Anand, Adarsh; Yadavalli, Venkata S. Sarma (Bon View Publishi​ng, 2024-02)

  Ever sincemanualwork is overtaken by technology, the rapid advancement in the technologies for performing all kinds ofwork online has created newpossibilities for the organizations and institutions of all types.But this ...
• Optimisation strategies and technological advancements for sustainable direct reduction iron production—a systematic review 

  Nyakudya Ncube, Ratidzo Yvonne; Ayomoh, Michael Kweneojo (MDPI, 2025-03)

  This systematic review examines optimisation strategies and technological advancements to foster sustainable direct reduction iron (DRI) production. The evaluation encompassed a meticulous review of journal articles, ...
• A systematic review of asset integrity and process safety management sustainability for onshore petrochemical installations 

  Ayomoh, Michael Kweneojo; Ongwae, Benard (MDPI, 2025-01)

  This paper presents a systematic review of the contributions of asset integrity and process safety management for the safe operations and sustainability of onshore petrochemical installations. The review highlights how the ...
• Examining the progress in additive manufacturing in supporting lean, green and sustainable manufacturing : a systematic review 

  Maware, Catherine; Muvunzi, Rumbidzai; Machingura, Tinotenda; Daniyan, Ilesanmi (MDPI, 2024-07)

  The quest for waste reduction and the development of manufacturing processes that meet the economic, social and environmental requirements necessitate this study. Additive manufacturing is an emerging digital technology ...
• Optimal pricing and production lot size for two rates of production with price-sensitive demand, price break-even point, and profit maximisation in higher order equation 

  Sivashankari, C.K.,; Nithya, T.; Yadavalli, Venkata S. Sarma (Southern African Institute for Industrial Engineering, 2024-05-31)

  In the present study, optimal pricing and optimal lot size production policy models with price-sensitive demand of deteriorating products are considered, taking into account two distinct production rates. It is possible ...
• Do socially responsible and risk-tailored portfolios win? A comparative analysis 

  Van Niekerk, Melissa; Trent, Nadia M. (Southern African Institute for Industrial Engineering, 2024-05-31)

  This study introduces three extensions of the Markowitz portfolio selection model: (1) matching portfolio risk to individual investors’ risk appetite; (2) excluding certain shares; and (3) environmental, social, and ...
• Logistic facility identification from spatial time series data 

  De Beer, Dirk Johannes; Joubert, Johan W. (Elsevier, 2024-12)

  Vehicle telemetry data is becoming more ubiquitous with increasingly sensorised vehicles, but making sense of the vehicles' purpose remains challenging without additional context. Clustering the vehicle activity data and ...
• System dynamics applied in enterprise engineering - a systematic literature review 

  Hussain, Huda; De Vries, Marne (Emerald, 2025-01)

  PURPOSE : This study aims to investigate the combined use of System Dynamics (SD) applications in Enterprise Engineering (EE) research and practice. SD application in EE is becoming widely accepted as a tool to support ...
• A lot sizing model for a deteriorating product with shifting production rates, freshness, price, and stock-dependent demand with price discounting 

  Tshinangi, Kapya; Adetunji, Olufemi; Yadavalli, Sarma (Ram Arti Publishers, 2024-06)

  Many production systems need to be able to change the rate at which they manufacture products for various reasons, hence, the need to find the optimal lot size under these multiple levels of production. This research ...
• Can human lean practices affect business performance? Evidence from Zimbabwe service industries 

  Machingura, Tinotenda; Adetunji, Olufemi; Muyavu, Ashleigh Tatenda; Maware, Catherine (Emerald, 2024-09)

  PURPOSE : This research seeks to explore the interrelationships between human lean practices (HLP) and their impact on the business performance of service industries. DESIGN/METHODOLOGY/APPROACH : A questionnaire ...
• The impact of soft lean practices on business performance : mediating role of customer satisfaction 

  Machingura, Tinotenda; Muyavu, Ashleigh Tatenda; Adetunji, Olufemi (Emerald, 2024-11)

  PURPOSE : Many firms have adopted different methodologies such as lean management to increase customer satisfaction. This is because they need to respond to customer demands for improved products and responsive service. ...
• The effect of vehicle load on urban freight emissions 

  Joubert, Johan W. (Elsevier, 2024)

  Several city logistics initiatives focus on lowering last-mile deliveries’ environmental impacts. And here, the impact is often the total (absolute) pollutants emitted by urban goods vehicles and the population's exposure ...
• Electrifying an urban delivery fleet : a case study 

  Janse van Rensburg, Cayla; Joubert, Johan W. (Elsevier, 2024)

  When carriers consider electrifying their delivery fleets, it is not only a societal and moral obligation, given road traffic's impact on emissions. It has also become an economic consideration as sustainability metrics ...
• BRT network design for transit cost reduction in Cape Town, South Africa 

  Nnene, Obiora A.; Zuidgeest, Mark H.P.; Joubert, Johan W. (Elsevier, 2023)

  Car dependency in Cape Town, South Africa, like in many modern cities is high but comes at a high cost. One of these is significant network congestion, especially during peak commuting periods. A strategy adopted by ...
• Prioritizing factors influencing the performance of a supply chain system using hybrid structural interaction matrix 

  Makinde, O.A.; Mowandi, T.; Ayomoh, Michael Kweneojo; Munyai, T.T.; Nesamvuni, A.E. (Journal Management System, 2023-02)

  Ascertaining and prioritizing the various factors that can influence the performance of a supply chain system is vital towards creating measures that are tailored towards controlling these factors, in order to ensure a ...
• Robust facility location of container clinics : a South African application 

  Karsten, C.; Bean, Willemiena Lodewika; Van Heerden, Q. (Ram Arti Publishers, 2023)

  There is a lack of dynamic facility location models for developing countries that consider the changes in the problem environment over time, such as patient population and population migration. Therefore, this paper ...
• Reliability analysis of the functional capabilities of an autonomous vehicle 

  Ndlovu, Brain Ndumiso; Ayomoh, Michael Kweneojo (Ram Arti Publishers, 2023)

  The reliability of autonomous vehicles (AVs) is a research domain of high interest, covering a diverse pool of researchers, captains of smart auto industries, government agencies, and technology enthusiasts. The reliability ...
• Impact of road grade on the risk profile of driver behavior 

  Gerber, Jeanne-Marie; Joubert, Johan W. (Sage, 2023-02)

  Data generated from telemetry devices, such as acceleration and speed, are used in a variety of industries to determine the risk profile of a driver. This paper considers the addition of road gradient as a contextual ...
• A comprehensive case study on integrated redundant reliability model using k-out-of-n configuration 

  Velampudi, Srinivasa R.; Akiri, Sridhar; Subbara, Pavan K.; Yadavalli, Venkata S. Sarma (Gnedenko Forum, 2023-03)

  Designers may introduce a system with multiple technologies in series to improve system efficiency. The configuration can be applied to k out of n systems if each technology contains k out of n factors. The k out of n ...
• The mediatory role of the environmental performance function within the lean-green manufacturing sustainability complex 

  Machingura, Tinotenda; Adetunji, Olufemi; Maware, Catherine (Elsevier, 2024-06)

  PURPOSE : The objective of the study is to explore the mediatory role of the environmental performance of organisations on their economic and social performances. It demonstrates that implementing environmental management ...

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