Publications

RFID systems are being used in the industries to follow the manufacturing environment by tagging objects where keeping track has a value. The recent research about RFID systems mainly focused on monitoring assets to control shop floor operations in real time. This case study has focused on deployment and improvement of an RFID system with a purpose of choose optimum system installation. The investigation of the production area, collecting item ...

In this paper we describe the use of a commercial discrete event simulation package (Siemens 2008) combined with a custom program, written in the programming language Python (Martelli 2006). Combining these two makes it possible to automatically generate a model for assembly line logistics simulation. The different stations of the assembly line, their connections and the storage near the assembly line were generated within seconds. A huge amount ...

Up till now Systems Modeling Language (SysML) has mostly been used to model physical systems of interest. This paper shows how SysML can also be used to represent an abstract model. In this application a mathematical cost model is represented using the SysML plugin for the software MagicDraw. ParaMagic, a plugin in MagicDraw supplementary to SysML, links to Mathematica to solve the model. SysML is a formal language and offers a very intuitive ...

Background and aims It is generally accepted that in terrestrial ecosystems the occurrence and abundance of plant species in late successional stages can be predicted accurately from prevailing soil conditions, whereas in early succession their presence is much more influenced by chance events (e.g. propagule availability). Late successional vegetation stages would therefore be deterministically structured, while early succession would be ...

© 2014 John Wiley & Sons, Ltd. Soil erosion is one of the most severe land degradation processes in the Mediterranean region. Although badlands occupy a relatively small fraction of the Mediterranean area, their erosion rates are very high. Many studies have investigated to what extent vegetation controls soil erosion rates. This study, however, deals with the impact of erosion on vegetation establishment. In semi-arid badlands of the ...

A lubricant is an essential component for enhancing the equipment’s functionality and durability. For this reason, used oil analysis (UOA) is becoming an integral part of the plant’s lubrication program which is part of Condition Based Maintenance (CBM). By monitoring the lubricant’s condition through the UOA, organizations can optimise the equipment availability by reducing failure incidents of rotating elements. This paper advances the use of ...

Introduction Most studies among sewage workers of wastewater treatment plants (WWTPs) have found a higher prevalence of gastrointestinal symptoms than among non-sewage exposed workers. Waterborne transmission of Helicobacter pylori (H pylori) has been hypothesised, as the bacteria can survive into an aqueous environment and has been detected in sewage. A health and hygiene questionnaire has demonstrated a higher prevalence of peptic ulcers among ...

It is generally accepted that in terrestrial ecosystems the occurrence and abundance of plant species in late succession stages can be well predicted from prevailing soil conditions whereas in early succession their presence is much more influenced by chance events (e.g. propagule availability). In other words late successional vegetation stages would be deterministically structured, while early succession stages would be of a more stochastic ...