ojs3573 (ojs3573)'s Documents

The Effect Of The Emergency Medical Services Vehicle Location And Response Strategy On Response Tim...

September, 15th 2015 /83 Views/0 Downloads/in Journal add to bookmark

Response time is currently considered to be an important performance indicator in Emergency Medical Services (EMS) systems. A number of factors may affect response times, including the location of emergency vehicles and the type of response system design used. This study aimed to assess the effects ...

A Strategic Framework For Improbable Circumstances

September, 15th 2015 /61 Views/0 Downloads/in Journal add to bookmark

Rare events, known as ‘Black Swans’, have determined the course of history. One of these was the global economic crisis of 2008. Such events highlight fields like strategic management and their shortcomings in helping to prepare organisations. The Strategic Framework for Improbable Circums...

The Development Of The Industrial Engineering Profession In South Africa

September, 15th 2015 /67 Views/0 Downloads/in Journal add to bookmark

Guest Editorial, reflecting on the history of Industrial Engineering in South Africa....

Comparing The Performance Of Different Meta-Heuristics For Unweighted Parallel Machine Scheduling

September, 15th 2015 /65 Views/0 Downloads/in Journal add to bookmark

This article considers the due window scheduling problem to minimise the number of early and tardy jobs on identical parallel machines. This problem is known to be NP complete and thus finding an optimal solution is unlikely. Three meta-heuristics and their hybrids are proposed and extensive computa...

Quantifying System Reliability In Rail Transportation In An Ageing Fleet Environment

September, 15th 2015 /65 Views/0 Downloads/in Journal add to bookmark

Die bestuur van fisiese bates het in die afgelope tyd al meer belangrik geword, veral in bate intensiewe organisasies. Hierdie artikel stel ’n metode voor wat die betroubaarheid van rollende materiaal bates in die spoor bedryf kwantifiseer deur gebruik te maak van falingstatistiek. Falingverspr...

Discussing And Evaluating Green Supply Chain Suppliers: A Case Study Of The Printed Circuit Board I...

September, 15th 2015 /83 Views/0 Downloads/in Journal add to bookmark

Green supply-chain management is a novel idea that incorporates the concept of environmental protection into traditional supply-chain management in order to reduce environmental risks and impact. This study developed criteria for evaluating green suppliers on the basis of the green supply chain. The...

An Evaluation Of The Effectiveness Of Observation Camera Placement Within The Meerkat Radio Telesco...

September, 15th 2015 /59 Views/0 Downloads/in Journal add to bookmark

A recent development within the MeerKAT sub-project of the Square Kilometre Array radio telescope network was the placement of a network of three observation cameras in pursuit of two specific visibility objectives. In this paper, we evaluate the effectiveness of the locations of the MeerKAT observa...

Fuzzification Of The €˜Tows’ Strategic Concept: A Case Study Of The Magneti Marelli Branch...

September, 15th 2015 /82 Views/0 Downloads/in Journal add to bookmark

The purpose of this paper is to introduce a fuzzy approach to the quantification of the TOWS (Threats, Opportunities, Weaknesses, and Strengths) strategic concept (also known as ‘SWOT’). Fuzzy logic and triangular fuzzy numbers are used to provide an alternate assessment of the internal st...

A Comparison Of Phase I Control Charts

September, 15th 2015 /60 Views/0 Downloads/in Journal add to bookmark

A carefully done Phase I analysis is a vital part of an overall statistical process control and monitoring regime. Distribution-free control charts can play a useful role in this analysis, as a parametric model assumption often cannot be adequately verified. The performance of two distribution-free ...

The Need For Powder Characterisation In The Additive Manufacturing Industry And The Establishment O...

September, 15th 2015 /66 Views/0 Downloads/in Journal add to bookmark

The characteristics of powders used in additive manufacturing can have significant effects on process efficiencies and the quality of the final products. Powder sizes and morphologies need to be optimised for a particular process, and this requires the facilities to perform these measurements as wel...