• A validation study of a polymer optical fiber sensor for monitoring lumbar spine movement 

  Kam, Wern; O'Keeffe, Mary; O'Sullivan, Kieran; Mohammed, Waleed S.; O'Keeffe, Sinéad; Lewis, Elfed; Viphavakit, Charusluk (MDPI, 2019)

  This study aims to investigate the validity and reliability of a novel plastic optical fiber (POF) sensor, which was developed to measure the angles of flexion, extension and lateral bend at the lumbar region. The angles ...
• Enhanced near-infrared emission in Yb3+-Cr3+ codoped KZnF3 glass ceramics excited by a solar simulator 

  Wang, Xin; Li, Wenhao; Tian, Ke; Lewis, Elfed; Wang, Shunbin; Brambilla, Gilberto; Dong, Yongkang; Wu, Xiao; Wang, Pengfei (Elsevier, 2019)

  Cr3+-Yb3+ codoped bulk glass-ceramics containing KZnF3 nanocrystals are fabricated by thermal treatment of cast glass samples and characterized by X-ray diffraction and transmission electron microscopy. The luminescent ...
• Design and evaluation of high-speed operational amplifier designs using the negative Miller capacitance design technique 

  Zaidi, Muhaned Ali Hussein (University of Limerick, 2018)

  The operational amplifier (op-amp) is one of the most commonly used analogue circuits for analogue and mixed-signal Integrated Circuit (IC) designs. The op-amp is widely designed using a sub-micron Complementary ...
• Smart enhanced performance intervention ROVs control system advancements for marine work-class ROV manipulators 

  Sivčev, Satja (University of Limerick, 2018)

  This thesis describes a body of research work focused on the domain of marine robotics and underwater manipulator control systems in particular. Work-class marine ROVs equipped with hydraulic manipulators are widely used ...
• Real-time vision systems for underwater robotics: towards the automation of underwater inspection and intervention operations 

  Rossi, Matija (University of Limerick, 2018)

  This thesis describes a body of research work in the domain of underwater robotics, aimed towards improving performance and efficiency; and achieving partial or full autonomy in a wide range of inspection and intervention ...
• Plastic optical fibre based sensors for monitoring physiological parameters in clinical environments 

  Kam, Wern (University of Limerick, 2018)

  This dissertation focuses on a plastic optical fibre (POF) sensor based on intensity modulation for health monitoring applications in a modern clinical environment. The sensor is suitable for spine bending monitoring as ...
• Repurposing end of life notebook computers from consumer WEEE as thin client computers – a hybrid end of life strategy for the circular economy in electronics 

  Coughlan, Damian (University of Limerick, 2018)

  This PhD thesis presents an investigation into the feasibility of repurposing endof- life notebook computers as thin client computers. Repurposing is the identification of a new use for a product that can no longer be ...
• A novel security protocol attack detection logic with unique fault discovery capability for freshness attacks and interleaving session attacks 

  Jurcut, Anca; Coffey, Tom; Dojen, Reiner (IEEE Computer Society, 2017)

  This paper introduces a new logic-based technique for detecting security protocol weaknesses that are exploitable by freshness and interleaving session attacks. This technique is realised as a special purpose logic to be ...
• An isolated power factor corrected power supply utilizing the transformer leakage inductance 

  Conway, Thomas (IEEE Computer Society, 2018)

  The widespread use of electronic devices increases the need for compact power factor corrected power supplies. This paper describes an isolated power factor corrected power supply that utilizes the leakage inductance ...
• Cloud economics and enterprise strategy: a bird eye's view 

  Luxmi Dhirani, Lubna; Newe, Thomas; Nizamani, Shahzad (Science Publishing Corporation, 2018)

  Cloud Computing has enabled enterprises to focus on their core business by shifting their IT processes and operations on vendor managed public/hybrid clouds. Since the cloud offers numerous benefits such as: IT operational ...
• Performance optimization methods for switched-capacitor biquadratic filters 

  Nahlik, Jiri; Hospodka, Jiri; Sovka, Pavel; Mullane, Brendan; Subrt, Ondrej (De Gruyter Open, 2018)

  A class of computer-aided optimization methods based on Differential Evolution (DE), Particle Swarm Optimization (PSO) and Nelder Mead algorithms applied to a switched-capacitor (SC) filter circuit design are investigated. ...
• Highly sensitive strain sensor based on composite interference established within S-tapered multimode fiber structure 

  Tian, Ke; Zhang, Meng; Farrell, Gerald; Wang, Ruoning; Lewis, Elfed; Wang, Pengfei (Optical Society of America, 2018)

  In this paper, a novel strain sensor based on composite interference established within an S-tapered multimode (STM) fiber structure is proposed and experimentally demonstrated. The STM fibre structure is simply realized ...
• High-sensitivity salinity sensor based on optical microfiber coil resonator 

  Yin, Yu; Li, Shi; Ren, Jing; Farrell, Gerald; Lewis, Elfed; Wang, Pengfei (Optical Society of America, 2018)

  A simple, compact, and high-sensitivity optical sensor for salinity measurement is reported based on an optical microfiber coil resonator (MCR). The MCR is manufactured by initially wrapping microfiber on a polymethylm ...
• Horizontal diversity in test generation for high fault coverage 

  Alamgir, Arbab; Bin A'ain, Abu Khari; Paraman, Norlina; Sheikh, Usman Ullah; Grout, Ian (Bülent Ecevit University, 2018)

  Determination of the most appropriate test set is critical for high fault coverage in testing of digital integrated circuits. Among black-box approaches, random testing is popular due to its simplicity and cost effectiveness. ...
• A microfiber knot incorporating a tungsten disulfide saturable absorber based multi-wavelength mode-locked erbium-doped fiber laser 

  Li, Shi; Yi, Yating; Yin, Yu; Jiang, Yuxuan; Zhao, Haiyan; Du, Yanqiu; Chen, Yujin; Lewis, Elfed; Farrell, Gerald; Wadi Harun, Sulaiman; Wang, Pengfei (IEEE Computer Society, 2018)

  A novel multi-wavelength mode-locked Erbium-doped fiber laser with tungsten disulfide (WS2) combined with a microfiber knot is described. This hybrid fiber structure facilitates strong light matter interaction between the ...
• Real-time video latency measurement between a robot and its remote control station: causes and mitigation 

  Kaknjo, Admir; Rao, Muzaffar; Omerdić, Edin; Robinson, Luke; Toal, Daniel; Newe, Thomas (Hindawi Publishing Corporation, 2018)

  This work presents a detailed study, characterization, and measurement of video latency in a real-time video streaming application. The target application consists of an automatic control system in the form of a control ...
• Dosimetric characterization of an inorganic optical fiber sensor for external beam radiation therapy 

  Alharbi, Majed; Gillespie, Sean; Woulfe, Peter; McCavana, Pat; O'Keeffe, Sinéad; Foley, Mark (IEEE Computer Society, 2018)

  The aim of this study was to investigate the dosimetric performance of a novel optical fiber sensor for use in external beam radiation therapy. Repeatability and reproducibility of the output signal, linearity, dose rate ...
• Securing future decentralised industrial IoT infrastructures: challenges and free open source solutions 

  Plaga, Sven; Wiedermann, Norbert; Duque Anton, Simon; Tatschner, Stefan; Schotten, Hans; Newe, Thomas (Elsevier, 2018)

  The next industrial revolution is said to be paved by the use of novel Internet of Things (IoT) technology. One important aspect of the modern IoT infrastructures is decentralised communication, often called Peer-to-Peer ...
• Review of liquid-filled optical fibre-based temperature sensing 

  McGuinness, Fintan; Leen, Gabriel; Lewis, Elfed; Dooly, Gerard; Toal, Daniel; Duraibabu, Dinesh Babu (IntechOpen, 2018)

  While ever higher resolution temperature sensing is of demand in research and industry, the cost of sensors in the sub-milli-Kelvin (mK) range can be restrictive. Furthermore, as the majority of commercial temperature ...
• Hardware considerations for tensor implementation and analysis using the field programmable gate array 

  Grout, Ian; Mullin, Lenore (MDPI, 2018)

  In today’s complex embedded systems targeting internet of things (IoT) applications, there is a greater need for embedded digital signal processing algorithms that can effectively and efficiently process complex data sets. ...

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