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Articles 31 - 42 of 42
Full-Text Articles in Engineering
Series Compensation To Increase Power Flow: A Case Study On The Irish Transmission System, Aidan Heffernan, Jane Courtney
Series Compensation To Increase Power Flow: A Case Study On The Irish Transmission System, Aidan Heffernan, Jane Courtney
Conference papers
Ireland presents an interesting case study for transmission network strengthening. The majority of load in the country is located at the nation's capital, Dublin, in the East, while most of the new conventional generation and renewable generation are found in the South-West. Power is transferred between the two via a 400 kV network. This leads to large cross- country power flows. This power distribution disparity is due to increase. A large thermal generating station which is connected to the 400 kV system in the West, will close by 2025. This generation will be replaced partially with wind generation in the …
Building A Risk Model For The Patient-Centred Care Of Multiple Chronic Diseases, Stephane Deparis, Pierpaolo Tommasi, Alessandra Pascale, Hicham Rifai, Julie Doyle, John Dinsmore
Building A Risk Model For The Patient-Centred Care Of Multiple Chronic Diseases, Stephane Deparis, Pierpaolo Tommasi, Alessandra Pascale, Hicham Rifai, Julie Doyle, John Dinsmore
Conference papers
With the increase of multimorbidity due to population ageing, managing multiple chronic health conditions is a rising challenge. Machine-learning can contribute to a better understanding of persons with multimorbidity (PwMs) and how to design an effective framework of care and support for them. We present a risk model of older PwMs that was derived from the TILDA dataset, a longitudinal study of the ageing Irish population. This model is based on a 26-nodes Bayesian network that represents patients possibly having one or more chronic conditions among diabetes, chronic obstructive pulmonary disease and arthritis, through a joint probability distribution of demographic, …
Impact Of Consumer Profiles On A Consumer Convenience Prioritised Demand Response, Chittesh Veni Chandran, Keith Sunderland, Malabika Basu
Impact Of Consumer Profiles On A Consumer Convenience Prioritised Demand Response, Chittesh Veni Chandran, Keith Sunderland, Malabika Basu
Conference papers
Distribution network (DN) load flexibility has simultaneously created challenges and opportunities. The major challenge is to meet the demand-supply balance while maintaining a positive profit-loss ratio. Further, Government enforced climate change policies attract low carbon technology (LCT) distributed energy resources (DER), which further complicate matters. Along with DN, the domestic appliance industry has undergone drastic modernization leading to appliances with advanced control and power efficient technologies as well as automation capabilities. This paper proposes a demand response (DR) program that facilitates these advancements while micromanaging the domestic load consumption pattern so as to manage peak demand in the network. This …
Assessing The Grit And Mindset Of Incoming Engineering Students With An Emphasis On Gender, Inês Direito, Shannon Chance, Emanuela Tilley, John E. Mitchell
Assessing The Grit And Mindset Of Incoming Engineering Students With An Emphasis On Gender, Inês Direito, Shannon Chance, Emanuela Tilley, John E. Mitchell
Conference papers
Engineering programs can be very demanding, particularly in the first years where students encounter new forms of highly challenging coursework. To better prepare and support students, educators must acknowledge non-academic factors, such as the role of self-beliefs and personal attributes. Education research suggests that students are more likely to give up and disengage from their studies when they lack grit or assume a fixed mindset. Previous studies suggest that female students are generally grittier but less confident when compared to male students. This paper presents the initial work of an ongoing study to explore self-confidence and motivations to study engineering …
Background And Design Of A Qualitative Study On Globally Responsible Decision-Making In Civil Engineering, Shannon Chance, Inês Direito, Rob Lawlor, Katie Cresswell-Maynard, Jon Pritchard, Nick Tyler, John Mitchell
Background And Design Of A Qualitative Study On Globally Responsible Decision-Making In Civil Engineering, Shannon Chance, Inês Direito, Rob Lawlor, Katie Cresswell-Maynard, Jon Pritchard, Nick Tyler, John Mitchell
Conference papers
Abstract: Organizations that regulate civil engineering have been pressing for integration of 'global responsibility' into higher education curricula since around 2006, with a goal of achieving environmental sustainability and social justice. In an effort led by the American Society of Civil Engineers (ASCE, 2007, 2009), a global vision for civil engineering was identified. Within the UK, the Institution of Civil Engineers (ICE) has been leading the way alongside non-governmental organizations (Bourn & Neal, 2008). Via the in-progress study reported here, a UK-based research team is now studying the effects of ACSE and ICE initiatives. The team seeks to benchmark how …
Detection Of Grid Voltage Anomalies Via Broadband Subspace Decomposition, Samet Biricik, Soydan Redif
Detection Of Grid Voltage Anomalies Via Broadband Subspace Decomposition, Samet Biricik, Soydan Redif
Conference papers
Due to the increase of sensitive loads on the mains power grid, measurement and monitoring of the power quality (PQ) have become an important factor for both consumers and operators. As is well-known, PQ problems occur in a very short time period with specific characteristics. In transmission or distribution systems, power quality data are collected from monitoring devices such as digital fault recorders, power quality and dynamic system monitors, etc. The recorded data has to be analysed in order to understand system anomalies. These anomalies may be due to sources of broadband noise. In this study, we employ broadband subspace …
Impact Of Loss Of Generation On Bus Voltage Frequency And Rocof, Damien Doheny, Michael Conlon
Impact Of Loss Of Generation On Bus Voltage Frequency And Rocof, Damien Doheny, Michael Conlon
Conference papers
This study investigates how the loss of a generator impacts bus voltage RoCoF post-disturbance. The results show that the fastest bus voltage RoCoFs will occur close to generators impacted the most by the disturbance but this may not be the closest generator to the disturbance. The study also demonstrates a simple method that can be used to identify the generator that will be impacted most after a disturbance and hence the network location that will experience the fastest RoCoF.
Mechanisms To Improve Employer Engagement In Apprenticeship In The Irish Construction Industry: A Mesolevel Analysis, Eoghan Ó Murchadha, Roisin Murphy
Mechanisms To Improve Employer Engagement In Apprenticeship In The Irish Construction Industry: A Mesolevel Analysis, Eoghan Ó Murchadha, Roisin Murphy
Conference papers
Apprentice training in Ireland remains within a state of flux. Although construction output is steady at present with the sector recording growth in excess of 60 percent over the last three years, there remains an alarming discordant issue of a lack of construction skills. In 2017, the largest representative body of construction related firms in Ireland, the Construction Industry Federation (CIF) endorsed a research study of their membership of more than 1,000 firms in an attempt to quantify the level of engagement in training. This study sought to identify the determinants of engagement and the constraints thereof. Findings from the …
What Is A Bim Design Model?, James Peters, Malachy Mathews
What Is A Bim Design Model?, James Peters, Malachy Mathews
Conference papers
The recent report into Building Information Management or BIM, by construction law experts May Winfield and Sarah Rock entitled “Winfield Rock Report” [1] gives reason to state that the UK architectural, engineering and construction industry or AEC, is hindered by the absence of a clear definition of Level 2 BIM. The ISO 19650-2 standard published in 2019, is based upon PAS1192-2:2013. The intent of ISO 19650-2 is to provide a road map to facilitate the standardisation of BIM process in a uniformed fashion. A key pillar of ISO 19650 is the “information cycle” and central to this is a federated …
Expressing Trust With Temporal Frequency Of User Interaction In Online Communities, Ekaterina Yashkina, Arseny Pinigin, Jooyoung Lee, Manuel Mazzara, Akinlolu Solomon Adekotujo, Adam Zubair, Luca Longo
Expressing Trust With Temporal Frequency Of User Interaction In Online Communities, Ekaterina Yashkina, Arseny Pinigin, Jooyoung Lee, Manuel Mazzara, Akinlolu Solomon Adekotujo, Adam Zubair, Luca Longo
Conference papers
Reputation systems concern soft security dynamics in diverse areas. Trust dynamics in a reputation system should be stable and adaptable at the same time to serve the purpose. Many reputation mechanisms have been proposed and tested over time. However, the main drawback of reputation management is that users need to share private information to gain trust in a system such as phone numbers, reviews, and ratings. Recently, a novel model that tries to overcome this issue was presented: the Dynamic Interaction-based Reputation Model (DIBRM). This approach to trust considers only implicit information automatically deduced from the interactions of users within …
Mediaeval2019: Flood Detection In Time Sequence Satellite Images, Palavi Jain, Bianca Schoen-Phelan, Robert J. Ross
Mediaeval2019: Flood Detection In Time Sequence Satellite Images, Palavi Jain, Bianca Schoen-Phelan, Robert J. Ross
Conference papers
In this work, we present a flood detection technique from time series satellite images for the City-centered satellite sequences (CCSS) task in the MediaEval 2019 competition [1]. This work utilises a three channel feature indexing technique [13] along with a VGG16 pretrained model for automatic detection of floods. We also compared our result with RGB images and a modified NDWI technique by Mishra et al, 2015 [15]. The result shows that the three channel feature indexing technique performed the best with VGG16 and is a promising approach to detect floods from time series satellite images.
Multi-Element Long Distance Dependencies: Using Spk Languages To Explore The Characteristics Of Long-Distance Dependencies, Abhijit Mahalunkar, John Kelleher
Multi-Element Long Distance Dependencies: Using Spk Languages To Explore The Characteristics Of Long-Distance Dependencies, Abhijit Mahalunkar, John Kelleher
Conference papers
In order to successfully model Long Distance Dependencies (LDDs) it is necessary to under-stand the full-range of the characteristics of the LDDs exhibited in a target dataset. In this paper, we use Strictly k-Piecewise languages to generate datasets with various properties. We then compute the characteristics of the LDDs in these datasets using mutual information and analyze the impact of factors such as (i) k, (ii) length of LDDs, (iii) vocabulary size, (iv) forbidden strings, and (v) dataset size. This analysis reveal that the number of interacting elements in a dependency is an important characteristic of LDDs. This leads us …