• Modelling, analysis and sensory metrication towards a quantitative understanding of complexity in systems 

  Ball, Melissa Claire; Ayomoh, Michael Kweneojo (MDPI, 2024-11)

  Modelling and metrication of the complexity of systems have occupied a growing and largely underdeveloped problem space in the literature of complex systems. In this research, preliminary results depicting the complexity ...
• Integrating lean six sigma with sensors and IoT monitoring technologies to optimize efficiency in construction projects 

  Mophethe, Modiehi Mathabo Mirriam; Ayomoh, Michael Kweneojo (MDPI, 2024-11)

  This research focuses on improving construction project workflow efficiency using a hybrid scheme of Lean Six Sigma and monitoring sensors. Real-time data and automated monitoring improve project timeframes by detecting ...
• Design and development of an effective sensing and measurement procedure for tasks for system-of-systems Engineering Management in the agro-seed nurturing industry 

  Schoeman, Maryke F.; Ayomoh, Michael Kweneojo (MDPI, 2024-11)

  This research has quantified, through algorithmic sensing and metrication, the minimum management effort required by a System-of-Systems (SoS) overseeing entity to competitively manage the complex network of systems that ...
• Designing a low-cost automated mobile robot for South African citrus farmers 

  Smit, Philip B.; Ayomoh, Michael Kweneojo (MDPI, 2024-11)

  Citrus farming in South Africa has become extremely lopsided in terms of economic opportunities. The statistics show that the wealthy large-scale farmers simultaneously control 100% of the international export market and ...
• 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 ...

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