Browsing University of Galway Theses by Subject "Electrical and Electronic Engineering"
Now showing items 1-20 of 33
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Accurate dielectric characterisation of biological tissues in the microwave range using the open-ended coaxial probe technique
(NUI Galway, 2019-12-19)Accurate knowledge of the dielectric properties of biological tissue samples is fundamental in the design of novel electromagnetic-based medical devices. Biological tissue samples are typically characterised dielectrically ... -
Acquisition of dielectric properties of tissues in the microwave range
(NUI Galway, 2019-11-12)This thesis aims to conduct an investigation into the factors that influence the measurement and interpretation of the dielectric properties of biological tissues in the microwave frequency rage. Firstly, a novel two-stage ... -
Analysis and design of high frequency gapped transformers and planar transformers in LLC resonant converters
(2015-05-27)The LLC resonant converter is particularly applicable for power supplies applications since soft switching is easily achieved. The dual objectives in power supply are higher switching frequencies and higher power densities. ... -
Applications of image processing for performance assessment of wastewater treatment plants
(NUI Galway, 2018-09-13)This thesis is concerned with the development of methodologies for automatically assessing fluid properties in wastewater treatment plants, and to monitor plant performance and efficiency. Reliable performance metrics are ... -
Bidirectional inverter with improved light load efficiency for integration in a hybrid AC/DC distribution system in buildings
(NUI Galway, 2023-03-28)Increasingly more research is being done on DC distribution systems with the aim of increasing system efficiency for power delivery between DC power sources, loads, and energy storage equipment as compared to AC ... -
Changing diet and physical activity behaviour in type 2 diabetes
(NUI Galway, 2022-03-14)The aim of this thesis was to design an artefact to support diet and physical activity behaviour change in people with type 2 diabetes. The first step was to identify behaviour change techniques (BCTs) in diet and physical ... -
Confocal microwave imaging and artifact removal algorithms for the early detection of breast cancer
(NUI Galway, 2018-03-29)Microwave imaging is an emerging imaging modality for the early detection of breast cancer. Early-time artifact removal and imaging algorithm are the two most important signal processing components of any Confocal Microwave ... -
Contributions to data augmentation techniques and synthetic data for training deep neural networks
(NUI Galway, 2022-06-10)In the recent years deep learning has become more and more popular and it is applied in a variety of fields, yielding outstanding results in different machine learning applications. Deep learning based solutions thrive ... -
Contributions to deep learning methodologies
(NUI Galway, 2018-10-26)In recent years the Deep Neural Networks (DNN) has been using widely in a big range of machine learning and data-mining purposes. This pattern recognition approach can handle highly nonlinear problems. In this work, ... -
Contributions to the measurement of depth in consumer imaging
(NUI Galway, 2018-06-12)This thesis aims to examine and investigate methods that could potentially utilize images captured by consumer cameras such as smartphones to estimate depth and generate a 3D structure. After more than a century of ... -
Contributions to unconstrained palmprint recognition on smartphones
(NUI Galway, 2019-11-27)This thesis investigates the suitability of unconstrained palmprint as a biometric modality for handheld devices equipped with a camera, such as smartphones. A detailed literature survey is provided, covering existing ... -
Deep learning techniques in data augmentation and neural network design
(NUI Galway, 2020-05-22)In recent years, deep learning has revolutionized computer vision and has been applied to a range of problems where it often achieves accuracies equal to or greater than those obtainable by individual human experts. This ... -
Design and development of a performance evaluation framework for remote eye gaze estimation systems
(NUI Galway, 2019-04-02)In this dissertation, a comprehensive evaluation framework for remote eye gaze estimation systems that are implemented in consumer electronics applications is developed. For this, firstly, a detailed literature review ... -
Design and development of smart contract system for blockchain based applications
(NUI Galway, 2021-05-17)The work presented in this thesis describes the design and development of smart contract system for blockchain based applications. The main objective is to investigate the current state of blockchain technology and its ... -
Detection and characterisation of partially occluded vulnerable road users
(NUI Galway, 2023-10-29)Accurate detection and classification of vulnerable road users (pedestrians, cyclists, and micro-mobility users) is a safety critical requirement for the deployment of autonomous vehicles in heterogeneous trac. Object ... -
Electrical impedance tomography for static lesion detection and identification in the brain
(NUI Galway, 2020-08-20)There is a clinical need for a novel approach to the detection of brain haemorrhage and clots. Such static lesions are characteristic of important conditions such as stroke, and traumatic brain injury. In these conditions ... -
Electromagnetic modelling and experimentation for the development of a novel microwave thermal ablation therapy for adrenal tumours
(NUI Galway, 2021-11-29)Primary Aldosteronism is the main cause of the secondary hypertension, due to the abnormal functioning of the adrenal glands. Adreno-cortical adenomas and bilateral hyperplasia are the most common causes of the abnormal ... -
Electromagnetic modelling and signal processing algorithms for a microwave-tomography-based medical device prototype to monitor osteoporosis
(NUI Galway, 2021-12-12)Osteoporosis, characterised as low bone mass, causes continuous systematic deterioration of the trabecular bone structure and leads to bone fragility and fractures. Current clinical practices widely employ dual-energy X-ray ... -
Evaluations of thermal imaging technology for automotive use cases
(NUI Galway, 2022-06-10)Thermal imaging has been widely used in high-end applications for instance industrial and military applications as it provides superior and effective results in challenging environments and weather conditions such that ... -
Hardware spiking neural network and remote FPGA lab
(2013-02-22)The automatic design of intelligent systems has been inspired by biology, specifically the operation of the human brain. Researchers hope to exploit and replicate the brain's ability to adapt and self repair in order to ...