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Browsing Research Articles (Logistics) by Title
Now showing items 43-62 of 64
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Rail renaissance based on strategic market segmentation principles
(University of South Africa (Unisa), 2012)South Africa’s annual State of Logistics survey indicates that the majority of dense, long-distance surface freight is transported by road, placing severe constraints on the country’s freight logistics infrastructure ...
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The relationship between stunting and overweight among children from South Africa : secondary analysis of the National Food Consumption Survey – Fortification Baseline I
(Health & Medical Publishing Group, 2016-01)ENGLISH SUMMARY : Background: Globally, in children the prevalence of overweight and obesity is increasing, and this is associated with an increased risk of noncommunicable diseases in adulthood. There is a need to examine ...
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A review of dietary surveys in the adult South African population from 2000 to 2015
(MDPI, 2015-09)One serious concern of health policymakers in South Africa is the fact that there is no national data on the dietary intake of adult South Africans. The only national dietary study was done in children in 1999. Hence, it ...
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Revitalisation of branch lines in South Africa : a long-term view for sustainability
(AOSIS Publishing, 2010-11-30)South Africa’s national railway management is considering the further closing of a number of branch lines due to profitability pressures from stakeholders. This paper cautions against a myopic approach to such closures. ...
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Selection and scheduling of jobs with time-dependent duration
(Operations Research Society of South Africa, 2007)ENGLISH SUMMARY : In this paper two mathematical programming models, both with multiple objective functions, are proposed to solve four related categories of job scheduling problems. All four of these categories have the ...
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Simulation modelling as a decision support in developing a sterile insect-inherited sterility release strategy for Eldana saccharina (Lepidoptera: Pyralidae)
(Florida Entomological Society, 2016)ENGLISH SUMMARY : A user-friendly simulation tool for determining the impact of the sterile insect technique/inherited sterility technique (SIT/IS) on populations of the African sugarcane stalk borer, Eldana saccharina ...
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Single fixed crane optimisation within a distribution centre
(Southern African Institute for Industrial Engineering, 2011-11)This paper considersthe optimisation of the movement of a fixed crane operating in a single aisle of a distribution centre. The crane must move pallets in inventory between docking bays, storage locations, and picking ...
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SKU assignment to unidirectional picking lines using correlations
(Operations Research Society of South Africa, 2015-07)A real life order picking system consisting of a set of unidirectional picking lines is inves- tigated. Batches of stock keeping units (SKUs) are processed in waves defined as a set of SKUs and their corresponding store ...
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South Africa's domestic intermodal imperative
(Elsevier, 2012-12)An integrated alternative to road only or rail only transport does not exist in South Africa for domestic freight. This is in spite of the fact that national freight logistics costs are high, road infrastructure is challenged ...
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South Africa's freight rail reform : a demand-driven perspective
(AOSIS Publishing, 2014-11)During the 20th century, freight transport in South Africa was employed to attain politicoeconomic ideals, resulting in the overprotection of rail and overregulation of road transport. Increasing industry pressure, ...
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South Africa’s rising logistics costs : an uncertain future
(AOSIS Publishing, 2014-12)A country’s competitiveness can be severely hampered by an uncompetitive freight logistics system. During the first decade of the 21st century, two in-depth models were developed for South Africa which provide a framework ...
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Sub-saharan Africa's rail freight transport system : potential impact of densification on cost
(Journal of Transport and Supply Chain Management, 2010)The main response to sub-Saharan Africa’s (SSA) challenges has been foreign aid. Yet, despite the large amounts received, the challenges remain. There is an opportunity to consider a different model with less focus on ...
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Sustainable freight transport in South Africa : domestic intermodal solutions
(AOSIS OpenJournals, 2011-11)Due to the rapid deregulation of freight transport in South Africa two decades ago, and low historical investment in rail (with resultant poor service delivery), an integrated alternative to road and rail competition was ...
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A tabu-search for minimising the carry-over effects value of a round-robin tournament
(Operations Research Society of South Africa, 2010)ENGLISH SUMMARY : Please refer to full text for abstract.
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The temperature profile of an apple supply chain : a case study of the Ceres district
(AOSIS Publishing, 2017)ENGLISH SUMMARY : Background: There is a logistical gap in the first section of the apple supply chain that affects the temperature profiles of apples further downstream in the supply chain. Objectives: This article’s ...
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Threat evaluation and weapon assignment decision support : a review of the state of the art
(Operations Research Society of South Africa, 2007)ENGLISH SUMMARY : In a military environment an operator is typically required to evaluate the tactical situation in real-time and protect defended assets against enemy threats by assigning available weapon systems to ...
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Toewysingsheuristieke om die volgorde van bestellings vir 'n uitsoeklyn te bepaal
(LitNet, 2012)’n Sisteem vir die opmaak van bestellings word ondersoek. Die sisteem vereis dat die werkers in ’n kloksgewyse rigting om ’n uitsoeklyn beweeg. Die uitsoeklyn bestaan uit vaste vakkies wat elk ’n unieke produk bevat. Die ...
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Tour construction heuristics for an order sequencing problem
(Southern African Institute for Industrial Engineering, 2012-11)An order picking system that requires pickers to move in a clockwise direction around a picking line with fixed locations is considered. The problem is divided into three tiers. The tier in which orders must be sequenced ...
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Toward spatial justice : the spatial equity effects of a toll road in Cape Town, South Africa
(Center for Transportation Studies at the University of Minnesota, 2015)The present study sets out to provide an ex ante insight into the equity effects of a toll charge on the traffic diversions and geographical accessibility of work locations in the Cape Town metropolitan region, South Africa. ...
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Trade facilitation through logistics performance :the enabling role of national government
(AOSIS OpenJournals, 2011-11)Despite two decades of visionary policies, problems within South Africa’s freight logistics system remain. Logistics costs are high, the current road and rail solutions will be unable to meet long-term demand for freight ...