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Articles 1 - 6 of 6
Full-Text Articles in Engineering
Personal Information Management. A Framework For Development Of Personalisable Web Based Services, Christopher Fuchs
Personal Information Management. A Framework For Development Of Personalisable Web Based Services, Christopher Fuchs
Theses
The thesis research proposed herein will model, analyse and implement strategies for the development of personalised services. The goal of the research work is to design and implement a framework which supports developers by minimising the effort required in implementing personalised services. This includes the ability to react to localisation changes and to present proper information. An overall design goal is the independency of most components from each other which will be attained through the use of standard technologies and protocols and the consistent use of a component model. The result will include the proposed framework and the analyses of …
Anaerobic Digestion: Decision Support Software, Marco Poliafico
Anaerobic Digestion: Decision Support Software, Marco Poliafico
Theses
Ireland has significant quantities of livestock; meat exportation is a vibrant sector of the economy. Environmental management of animal wastes has therefore become an important concern. On the other hand in the last decade, national and EU policy debate has highlighted the need to investigate alternative energy: in particular energy for transport.
This study investigates the quantities of animal wastes produced in Ireland and their potential treatment using Anaerobic Digestion technologies. In 2005 Ireland had over 8 millions animals (cattle and pigs) and the annual slaughter accounted for over 4.2 million of these creatures. These animals have been responsible for …
The Potential For Ch4-Enriched Biogas As A Transport Fuel In Ireland, Niamh Power
The Potential For Ch4-Enriched Biogas As A Transport Fuel In Ireland, Niamh Power
Theses
Ireland needs a biofuel industry- to aid compliance with the Kyoto Protocol, the Biofuels Directive and to secure its energ>' supply. The overall aim of this work is to assess the potential of CH4-enriched biogas as a transport fuel in Ireland. Biogas is produced during the anaerobic digestion of biomass. This work investigates biogas production from two different feedstocks; biodegradable municipal waste and agricultural crops. To assess the potential for biogas as a transport fuel the alternatives to biogas are investigated and compared. Thus digestion and composting of biodegradable municipal waste, and biogas and ethanol production from agricultural crops …
The Smart Helmet, Michael Walsh
The Smart Helmet, Michael Walsh
Theses
This thesis addresses the design, development and testing of a wireless sensor network for a sports helmet. The objective is to monitor an athlete's physiology and also physical impacts using a sensor network. A detailed literature review is presented addressing currently available appropriate wireless technologies, sensors and their operation, packaging, interconnections and applications. It gives a brief introduction to each sensor used in the smart helmet, accelerometers, temperature sensors, heart rate and blood oxygen sensors, along with a review of possible sensors which could be added at a later stage. The specific sensors and other related components for the helmets …
A Service Provisioning Platform For Beyond 3g - The Telecommunication Service Exchange, Donna Griffin
A Service Provisioning Platform For Beyond 3g - The Telecommunication Service Exchange, Donna Griffin
Theses
From the inception of mobile communications one of the most important factors contributing to its success has been a good understanding of user requirements. In the first generation, mobile networks offered subscribers the freedom to communicate regardless of their locations and the joy of instant access to voice telephony services. This provided a competitive edge over wire line communication networks and resulted in large revenue streams. However over the past decade, mobile network operators have been faced with a number of factors that have incurred significant costs and resulting reduced revenue. These factors include deregulation, increased competition and technological progress …
Thermo-Mechanical Design Of A 100 Ghz Mmic Power Amplifier Using Flip Chip Technology, Sean Cremin
Thermo-Mechanical Design Of A 100 Ghz Mmic Power Amplifier Using Flip Chip Technology, Sean Cremin
Theses
This thesis is concerned with the thermo-mechanical design, thermal modelling and temperature profile measurement of a 100 GHz flip chip bump bonded MMIC medium power amplifier.
Flip chip mounting offers superior RF performance in terms of output power, gain, noise figure and bandwidth. The thermal challenge was to dissipate approximately two watts of DC power from the GaAs MMIC (monolithic microwave integrated circuit) through Au (gold) stud bumps which equates to less then 7% of the total surface area of the die. Infrared thermographic images confirmed that the flip chip MMIC amplifier was functional with all eight FET stages on …