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Articles 1 - 13 of 13
Full-Text Articles in Physical Sciences and Mathematics
Convergence Technologies For Sensor Systems In The Next Generation Networks, Conor Gildea, Declan Barber
Convergence Technologies For Sensor Systems In The Next Generation Networks, Conor Gildea, Declan Barber
The ITB Journal
This paper describes an approach to the internetworking of sensory nodes in a converged network environment. This preliminary investigation of sensory network creation is driven by a joint applied research project which seeks to establish the feasibility of the real-time remote monitoring of animal welfare while in transit between Ireland, Europe and the Middle East. This paper examines the use of Java to create sensor services in converging architectures which leverage the Internetworking protocols and describes our implementation of such a system.
Design Study Of A Heavy Duty Load Cell Using Finite Element Analysis: A Practical Introduction To Mechatronic Design Process, Mohamad Saleh
Design Study Of A Heavy Duty Load Cell Using Finite Element Analysis: A Practical Introduction To Mechatronic Design Process, Mohamad Saleh
The ITB Journal
Mechatronics design process is a series of analytical brain storming operations from sepcification to implementation. The mechtronic products are widly available in the market for various use and applications. This is expected to develop futher in the future with great competitiveness. In order to succeed in the market, mechatronic products need to satisfy the market expectations with regard to quality, fitness for purpose, customer's appeal and cost efficiency. Therefore, the design analysis techniques play a significat part in the market success of these products. Finite Element Analysis is probably the most commonly used numerical technique for mechatronic product design. This …
Neural Networks For Real-Time Pathfinding In Computer Games, Ross Graham, Hugh Mccabe, Stephen Sheridan
Neural Networks For Real-Time Pathfinding In Computer Games, Ross Graham, Hugh Mccabe, Stephen Sheridan
The ITB Journal
One of the greatest challenges in the design of realistic Artificial Intelligence (Al) in computer games is agent movement. Pathfinding strategies are usually employed as the core of any AI movement system. The two main components for basic real-time pathfinding are (i) travelling towards a specified goal and (ii) avoiding dynamic and static obstacles that may litter the path to this goal. The focus of this paper is how machine learning techniques, such as Artificial Neural Networks and Genetic Algorithms, can be used to enhance an AI agent's ability to handle pathfinding in real-time by giving them an awareness of …
Emotion Authentication: A Method For Voice Integrity Checking, C. Reynolds, L. Vasiu, M. Smith
Emotion Authentication: A Method For Voice Integrity Checking, C. Reynolds, L. Vasiu, M. Smith
The ITB Journal
When people communicate with telephone type systems, it is often assumed that the listener would notice any modification of the speaker's voice. It is possible however to introduce small changes that would not be noticed by a listener but could modify the reading of a Voice Stress Analyser, popularly referred to as a lie detector. Existing approaches to checking the integrity of voice require significant amounts of processing or are able to detect only non-subtle modification such as change of speaker. With the advent of real time voice modification using software and hardware based signal processing, we argue that it …
Strengthening The Practices Of An Agile Methodology?, Jimmy Doody, Amanda O'Farrell
Strengthening The Practices Of An Agile Methodology?, Jimmy Doody, Amanda O'Farrell
The ITB Journal
An investigation into how the software development process in an agile environment (Extreme Programming) can be aided by intelligent software, leading to the development of a tool that will automate the process of standardising and clarifying source code. The tool will also speed up and aid the testing process, by producing test objects based on the source code, and by providing full test tracking, without having a negative impact on the development process. By making the coding and testing processes more automated, the research aims to evaluate the following hypotheses: 1. That the programmer's productivity can be increased by the …
Camera Control Through Cinematography In 3d Computer Games, James Kneafsey, Hugh Mccabe
Camera Control Through Cinematography In 3d Computer Games, James Kneafsey, Hugh Mccabe
The ITB Journal
Modern 3D computer games have the potential to employ principles from cinematography in rendering the action in the game. Using principles of cinematography would take advantage of techniques that have been used to render action in cinematic films for more than a century. This paper outlines our proposal to develop a camera control system that uses principles of cinematography for 3D computer games and provides a critical review of related research.
Architecture And Development Methodology For Location Based Services, Aaron Hand, Dr. John Cardiff
Architecture And Development Methodology For Location Based Services, Aaron Hand, Dr. John Cardiff
The ITB Journal
This paper presents a LBS (Location Based Service) architecture, development methodology and a development tool to assist LBS developers in building new open standard LBS applications. The approach adopted has been to define new LBS systems based on open standards rather then proprietary driven technologies. SA GESS (Spatial Application Generic Environment System Standards) is an architecture platform for the development and deployment of wireless LBS applications. SAGE (Spatial Application Generic Environment) is a development methodology that outlines a step-by-step development approach to LBS application development. A prototype LBS application was deployed on the author's SA GESS architecture platform, developed using …
Justification Of Investment In It Systems, Aidan Farrell
Justification Of Investment In It Systems, Aidan Farrell
The ITB Journal
For a company, capital investment of any sort is weighed up before a decision is made to invest. It is. true that the vast majority of investments for companies can be quantified financially. Investment in Iriformation Technology (IT) and Information Systems (IS) however has proved more complex than other investments as there are ·a large amount of intangible and non-financial benefits associated with this area of expenditure. Investments are traditionally rationalised by outweighing the costs and the benefits. The indirect costs associated with the deployment of IT/IS are equally difficult to put a measure on and hence the traditional methods …
An Evaluation Of On-Screen Keyboards For First Time Single Switch Users, Paul Ahern, Rupert Westrup
An Evaluation Of On-Screen Keyboards For First Time Single Switch Users, Paul Ahern, Rupert Westrup
The ITB Journal
This paper presents an evaluation of three designs for on-screen keyboard layouts for use by Single Switch Users (SSUs). SSUs are those users who have a disability which means that they are able to activate a switch into an "on" or "off'' position but are not able to locate or position a particular switch. The first keyboard layout design was alphabetically based, the second design was based upon the most frequently occurring letters in the English alphabet and the third design was the standard QWERTY layout found on most keyboards. The research shows that there is no significant difference in …
Speech Synthesis For Pda, Peter Cahill, Fredrick Mtenzi
Speech Synthesis For Pda, Peter Cahill, Fredrick Mtenzi
The ITB Journal
A Text-To-Speech (TTS) synthesiser is a computer-based system that should be able to read any text aloud. This paper presents the design and implementation of a speech synthesiser for a PDA. Our implementation is based on FreeTTS by Sun Microsystems Inc. This paper focuses on the issues that arise during the development and the differences with the desktop synthesiser. We carry out detailed experiments on different platforms to show how the quality and speed of conversion varies. Our TTS implementation on a P DA, apart from being platform independent produces the same sound quality with a far less powerful processor …
Setting Up And Mentoring In Coderdojo Dublin 15, Arnold Hensman
Setting Up And Mentoring In Coderdojo Dublin 15, Arnold Hensman
The ITB Journal
Initilally beginning in Ireland, CoderDojo is a non-profit organisation that has grown rapidly into a global network of community based programming clubs. Mentors teach coding skills to young people aged between 7 and 17. All classes are free of charge and clubs operate entirely on a volunteer basis. The first Dublin 15 based CoderDojo began just over two years ago and continues to thrive during weekend sessions held at The Institute of Technology Blanchardstown (ITB), which offers the use of its premises and resources for the sessions. This paper will chronicle the involvement of ITB staff and students with the …
Mathematical Competencies Of Third Level Students: A Review, Colm Mcguinness
Mathematical Competencies Of Third Level Students: A Review, Colm Mcguinness
The ITB Journal
Many lecturers of mathematics and related disciplines in Ireland and internationally believe there has been a gradual decline in mathematical competencies of students presenting for first year at third level educational establishments. Some of the evidence to support this view is reviewed, along with the types of solutions being applied in Ireland and the UK. Attention is drawn to the explicit and implicit decline in standards potentially associated with some of the solutions, particularly for short courses involving mathematics.
An Introduction To The Quasi-Optical Design Of The Hifi Instrument For The Herschel Space Observatory, Gareth S. Curran, J. Anthony Murphy
An Introduction To The Quasi-Optical Design Of The Hifi Instrument For The Herschel Space Observatory, Gareth S. Curran, J. Anthony Murphy
The ITB Journal
This paper is concerned with the quasi-optical design and analysis of the Heterodyne Instrument for the Far Infrared (HIFI) on board the European Space Agency’s Herschel Space Observatory, which is due for launch in 2007. The paper begins with an introduction to astronomy at submillimetre wavelengths followed by the science that will be carried out by HIFI. The optical layout of HIFI is presented and the quasi-optical techniques used in the analysis of band 5 of the instrument are discussed, in particular, issues associated with the design and performance of the integrated lens antenna for this band. A power coupling …