Journal Articles:
Recent Submissions:
Bayesian energy measurements and verification analysis
Carstens, Herman; Xia, Xiaohua; Yadavalli, Venkata S. Sarma (MDPI Publishing, 2018)
Energy Measurement and Verification (M&V) aims to make inferences about the savings achieved in energy projects, given the data and other information at hand. Traditionally, a frequentist approach has been used to quantify ...
A comparative study of artificial neural network (ANN) and adaptive neuro-fuzzy inference system (ANFIS) models in distribution system with nondeterministic inputs
Okwu, Modestus O.; Adetunji, Olufemi (SAGE Publications, 2018)
Most deterministic optimization models use average values of nondeterministic variables as their inputs. It is, therefore, expected that a model that can accept the distribution of a random variable, while this may involve ...
On the capacitated step-fixed charge and facility location problem : a row perturbation heuristic
Oyewole, Gbeminiyi John; Adetunji, Olufemi (Natural Sciences Publishing, 2018-09)
The Classical Transportation Problem (TP) Tableau which utilizes continuous variable cost has been used to model and solve distribution problems. However, many real distribution problem decisions which require various ...
Cyber-security : identity deception detection on social media platforms
Van der Walt, Estee; Eloff, Jan H.P.; Grobler, Jacomine (Elsevier, 2018-09)
Social media platforms allow billions of individuals to share their thoughts, likes and dislikes in real-time, without any censorship. This freedom, however, comes at a cyber-security risk. Cyber threats are more difficult ...
Multilayered complex network datasets for three supply chain network archetypes on an urban road grid
Viljoen, N.M. (Nadia); Joubert, Johan W. (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 ...
A systematic evaluation of freight carrier response to receiver reordering behaviour
Bean, W.L. (Wilna); Joubert, Johannes Willem (Elsevier, 2018-10)
The fields of behavioural transport modelling has been gaining momentum and many researchers have focused on incorporating some elements of stakeholder behaviour and decision making into their freight planning tools. ...
A system dynamics simulation for strategic inventory management in the South African automotive industry
Botha, Andries (University of Pretoria, 2018)
The automotive parts supply chain is characterised by expectations of high levels of parts availability, as vehicles are designed to be maintained throughout their life cycles. There is, however, a significant level of ...
Low-cost energy meter calibration method for measurement and verification
Carstens, Herman; Xia, Xiaohua; Yadavalli, Venkata S. Sarma (Elsevier, 2017-02)
Energy meters need to be calibrated for use in Measurement and Verification (M&V) projects. However, calibration can be prohibitively expensive and a ect project feasibility negatively. This study presents a novel low-cost ...
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 ...
An action design research approach within enterprise engineering
De Vries, Marne; Berger, Simone (Springer, 2017-04)
Enterprise engineering (EE) is emerging as a new discipline that is multi-disciplinary in nature. As highlighted by researchers within the EE discipline, the current status of EE endeavours as taken by several universities
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