• An improved single-stage PFC AC-DC power supply 

  Conway, Thomas (IEEE Computer Society, 2019)

  This letter describes an enhancement to a previously reported single-stage transformer-leakage-inductance-based power-factor-corrected isolated power supply. An improved switch timing calculation algorithm is developed to ...
• Air pollution monitoring system in semi enclosed building for agricultural sector 

  Nurulain, S; Najib, M S; Lewis, Elfed; Salim, M R; Manap, H (IOP Publishing, 2020)

  This article explains about the development of an optical sensor system to detect and measure ammonia emission in the agricultural field. At initial stage, an open path optical technique where a cylindrical chamber is used ...
• An isolated active balancing and monitoring system for lithium ion battery stacks utilizing a single transformer per cell 

  Conway, Thomas (IEEE Computer Society, 2021)

  An active battery management system for lithium ion battery stacks is described, that is robust and scalable. The architecture is based on an isolation unit consisting of a small equal turns ratio high isolation transformer ...
• Piezoelectric mirror shifter transfer function measurement, modelling, and analysis using feedback based synthetic-heterodyne michelson interferometry 

  Connelly, Michael J.; Galeti, Jose Henrique; Kitano, Cláudio (Optical Society of America, 2020)

  Laser vibrometry has many applications in non-contact dynamic displacement and vibration measurement. A test beam reflected from a target and a reference beam are combined and detected by a photodiode; the photo detected ...
• Electric vehicles 

  Conway, Thomas (2016)

  no abstract available
• Quantifying used electrical and electronic equipment exported from ireland to west africa in roll-on roll-off vehicles 

  McMahon, Kathleen; Uchendu, Chidinma; Fitzpatrick, Colin (Elsevier, 2021)

  The investigation on the transboundary shipment of used and waste electrical and electronic equipment from developed countries is a well-studied subject with regard to the environmental and health impacts in the destination ...
• Hybrid cloud SLAs for industry 4.0: bridging the gap 

  Lubna, Luxmi Dhirani,; Newe, Thomas (International Association for Educatiors and Researchers, 2020)

  Hybrid Cloud Service Level Agreements (SLA) comprises of the legal terms and conditions for the cloud contract. Even though all the service level objectives, metrics and service descriptions are clearly outlined in the ...
• Integrating coupled magnetics in a two-stage LC low pass filter for low ripple power supply applications 

  Limjoco, Aldrick S. (University of Limerick, 2020)

  Electrical noise sensitive systems using mixed signal devices such as data converters and transceivers are prone to performance degradation due to switching regulator output ripple. Often switching regulator is used as ...
• Spherical glass based fiber optic Fabry-Perot interferometric probe for refractive index sensing 

  Ali, Muhammad Mahmood; Memon, Sanober Farheen; McGuinness, Fintan; Lewis, Elfed; Leen, Gabriel (IEEE Computer Society, 2020)

  A novel Fabry-Perot sensor, comprised a glass sphere bonded to a capillary and singlemode fiber, is proposed for refractive index sensing. It is characterized in air, water, ethanol, isopropanol, and glycerol. © 2020 The ...
• A collaborative care psychosocial intervention to improve late life depression in socioeconomically deprived areas of Guarulhos, Brazil: the PROACTIVE cluster randomised controlled trial protocol 

  Scazufca, Marcia; Nakamura, Carina Akemi; Peters, Tim J.; Henrique, Maiara Garcia; Seabra, Antônio; La Rotta, Ehidee Gomez; Franzin, Renato M.; Martins, Daniele Ferreira; van de Ven, Pepijn; Hollingworth, William; Araya, Ricardo (BMC, 2020)

  Background: The elderly population has been growing in most low- and middle-income countries (LMIC), and depression is a common condition among these populations. The lack of integration between mental health and primary ...
• Integration of an MES and AIV using a labVIEW middleware scheduler suitable for use in industry 4.0 applications 

  Rao, Muzaffar; Lynch, Liam; Coady, James; Toal, Daniel; Newe, Thomas (MDPI, 2020)

  Industry 4.0 uses the analysis of real-time data, artificial intelligence, automation, and the interconnection of components of the production lines to improve manufacturing efficiency and quality. Manufacturing Execution ...
• Autonomous docking for work class ROVs 

  Trslić, Petar (University of Limerick, 2020)

  This thesis describes research work in the domain of underwater robotics. It is aimed towards improving performance and achieving partial or full autonomy in the rapidly increasing underwater resident robotics field, with ...
• Flexible FPGA based digital IC test development education laboratory design and application 

  Grout, Ian (IEEE Computer Society, 2020)

  In this paper, a teaching aid for digital integrated circuit (IC) test development engineering education using the field programmable gate array (FPGA) is presented and discussed. The set-up allows for different digital ...
• On the specially designed fractal metasurface-based dual-polarization converter in the THz regime 

  Bilal, R.M.H; Baqir, M.A.; Choudhury, P.K.; Ali, Muhammad Mahmood; Rahim, Arbab Abdur (Elsevier, 2020)

  A specially designed fractal metasurface-based structure was investigated as a dual-polarization converter operating in the terahertz(THz) band. The proposed converter has the ability to perform both the linear-to-cross ...
• Symmetric accelerating beam generation via all-dielectric metasurfaces 

  Ahmed, Hammad; Rahim, Arbab Abdur; Ali, Muhammad Mahmood; Maab, Husnul (Royal society of chemistry, 2020)

  Traditionally, symmetric accelerating beam (SAB) generation requires bulky optical components, which hinder the miniaturization of optical systems. Recently, metasurfaces, which are composed of sub-wavelength features, ...
• Elliptical metallic rings‑shaped fractal metamaterial absorber in the visible regime 

  Bilal, R.M.H.; Saeed, M. A.; Choudhury, P. K.; Baqir, M. A.; Kamal, W.; Ali, Muhammad Mahmood; Rahim, Arbab Abdur (Nature Research, 2020)

  Achieving the broadband response of metamaterial absorbers has been quite challenging due to the inherent bandwidth limitations. Herein, the investigation was made of a unique kind of visible light metamaterial absorber ...
• An optical fiber sensor for germicidal microwave plasma UV lamps for water and wastewater treatment 

  Fitzpatrick, Colin; Lewis, Elfed; Al-Shamma'a, AI; Lucas, J. (International Society for Optics and Photonics, 2001)

  Low-pressure mercury lamps are commonly used for germicidal applications such as water and wastewater sterilisation. The germicidal effect is due to the emission of light at 254nm, which leads to the destruction of most ...
• Enhanced sensitivity of heterocore structure surface plasmon resonance sensors based on local microstructures 

  Zhu, Wenjie; Huang, Qing; Wang, Yong; Lewis, Elfed; Yang, Minghong (International Society for Optics and Photonics, 2018)

  A method to improve the refractive index (RI) and temperature sensitivities of optical fiber based on surface plasmon resonance (SPR) sensors is proposed and experimentally demonstrated. It is realized by using a precision ...
• Time identification method of an optical blade tip timing system based on optical interrogation of surface inscribed microstructure surface features 

  Qu, Ruixuan; Luo, Yang; Chai, Quan; Liu, Yanlei; Zhang, Jianzhong; Lewis, Elfed; Yang, Jun; Yua, Libo (The International Society for Optics and Photonics, 2019)

  An optical blade tip timing scheme is presented and demonstrated experimentally using an optical microstructure surface inscribed on the blade tip. The results show that the method is not sensitive to the fluctuations of ...
• Novel layered 2D materials for ultrafast photonics 

  Li, Shi; Wang, Cong; Yin, Yu; Lewis, Elfed; Wang, Pengfei (De Gruyter, 2020)

  A range of new 2D materials have recently been reported, including topological insulators, transition-metal dichalcogenides, black phosphorus, MXenes, and metal-organic frameworks, which have demonstrated high optical ...

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