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All Outputs (212)

Development and evaluation of a smartphone-based electroencephalography (EEG) system (2021)
Journal Article
Bateson, A. D., & Asghar, A. U. (2021). Development and evaluation of a smartphone-based electroencephalography (EEG) system. IEEE Access, 9, 75650-75667. https://doi.org/10.1109/ACCESS.2021.3079992

The aim of the study was to design, develop and evaluate a general-purpose EEG platform which integrates with a smartphone. The target specification was a system with 19 EEG channels and data stored onto the smartphone via a Wi-Fi connection. The har... Read More about Development and evaluation of a smartphone-based electroencephalography (EEG) system.

Synchrotron X-ray imaging and ultrafast tomography in situ study of the fragmentation and growth dynamics of dendritic microstructures in solidification under ultrasound (2021)
Journal Article
Zhang, Z., Wang, C., Koe, B., Schlepütz, C. M., Irvine, S., & Mi, J. (2021). Synchrotron X-ray imaging and ultrafast tomography in situ study of the fragmentation and growth dynamics of dendritic microstructures in solidification under ultrasound. Acta Materialia, 209, Article 116796. https://doi.org/10.1016/j.actamat.2021.116796

High speed synchrotron X-ray imaging and ultrafast tomography were used to study in situ and in real time the fragmentation and growth dynamics of dendritic microstructures of an Al-15%Cu alloy in solidification under ultrasound. An ultrasound of 30... Read More about Synchrotron X-ray imaging and ultrafast tomography in situ study of the fragmentation and growth dynamics of dendritic microstructures in solidification under ultrasound.

Electrochemically Induced Mesomorphism Switching in a Chlorpromazine Hydrochloride Lyotropic Liquid Crystal (2021)
Journal Article
Crapnell, R. D., Alhasan, H. S., Partington, L. I., Zhou, Y., Ahmed, Z., Altalhi, A. A., …Wadhawan, J. D. (2021). Electrochemically Induced Mesomorphism Switching in a Chlorpromazine Hydrochloride Lyotropic Liquid Crystal. ACS Omega, 6(7), 4630-4640. https://doi.org/10.1021/acsomega.0c05284

The discovery of electrochemical switching of the Lα phase of chlorpromazine hydrochloride in water is reported. The phase is characterized using polarizing microscopy, X-ray scattering, rheological measurements, and microelectrode voltammetry. Fast,... Read More about Electrochemically Induced Mesomorphism Switching in a Chlorpromazine Hydrochloride Lyotropic Liquid Crystal.

Distributed Fault-Tolerant Consensus Tracking Control of Multi-Agent Systems under Fixed and Switching Topologies (2021)
Journal Article
Patton, R. J., Liu, C., Jiang, B., & Zhang, K. (2021). Distributed Fault-Tolerant Consensus Tracking Control of Multi-Agent Systems under Fixed and Switching Topologies. IEEE Transactions on Circuits and Systems I: Regular Papers, 68(4), 1646-1658. https://doi.org/10.1109/TCSI.2021.3049347

This paper proposes a novel distributed fault-tolerant consensus tracking control design for multi-agent systems with abrupt and incipient actuator faults under fixed and switching topologies. The fault and state information of each individual agent... Read More about Distributed Fault-Tolerant Consensus Tracking Control of Multi-Agent Systems under Fixed and Switching Topologies.

Multiscale characterization of the 3D network structure of metal carbides in a Ni superalloy by synchrotron X-ray microtomography and ptychography (2020)
Journal Article
Zhang, Z., Khong, J. C., Koe, B., Luo, S., Huang, S., Qin, L., …Mi, J. (2021). Multiscale characterization of the 3D network structure of metal carbides in a Ni superalloy by synchrotron X-ray microtomography and ptychography. Scripta materialia, 193, 71-76. https://doi.org/10.1016/j.scriptamat.2020.10.032

Synchrotron X-ray microtomography and ptychography were used to characterize the 3D network structure, morphology and distribution of metal carbides in an as-cast IN713LC Ni superalloy. MC typed carbides were found to distribute mainly on the grain b... Read More about Multiscale characterization of the 3D network structure of metal carbides in a Ni superalloy by synchrotron X-ray microtomography and ptychography.

Detection of nitrous oxide using infrared optical plasmonics coupled with carbon nanotubes (2020)
Journal Article
Allsop, T., Al Araimi, M., Neal, R., Wang, C., Culverhouse, P., Ania-Castañón, J. D., …Rozhin, A. (2020). Detection of nitrous oxide using infrared optical plasmonics coupled with carbon nanotubes. Nanoscale advances, 2(10), 4615-4626. https://doi.org/10.1039/d0na00525h

© The Royal Society of Chemistry 2020. Interest in gas sensing using functionalised carbon nanotubes is a major area of research that utilises changes in their electrical properties induced by the reaction with a specific gas. This paper describes sp... Read More about Detection of nitrous oxide using infrared optical plasmonics coupled with carbon nanotubes.

Magnetic array-templated method for fabrication of polymer nanoporous films (2020)
Journal Article
Ng, J. K. G., Rybchenko, S. I., & Lukaschuk, S. (2020). Magnetic array-templated method for fabrication of polymer nanoporous films. Nano Express, 1(1), 010044. https://doi.org/10.1088/2632-959X/ab970b

This paper describes the development of a novel method of producing nanoporous polymeric membranes in a cost-effective and reproducible manner. The novelty of the technique hinges on the exploitation of a new type of sacrificial material & structures... Read More about Magnetic array-templated method for fabrication of polymer nanoporous films.

Realisation of a sub-wavelength dimple using a 193 nm wavelength photonic nano jet (2020)
Journal Article
Al-Jarwany, Q. A., Mohammed, A. F., Hamza, A. O., Bouillard, J. S., Adawi, A. M., Pamme, N., & Walton, C. D. (2020). Realisation of a sub-wavelength dimple using a 193 nm wavelength photonic nano jet. Chemical Physics Letters, 750, Article 137400. https://doi.org/10.1016/j.cplett.2020.137400

There are many areas of research that benefit from tight focussing of light. We report experimental and computational results of a laser irradiated silica microsphere, 1 μm diameter localised on an SU-8 substrate. A single pulse from an ArF excimer l... Read More about Realisation of a sub-wavelength dimple using a 193 nm wavelength photonic nano jet.

A novel electromagnetic apparatus for in-situ synchrotron X-ray imaging study of the separation of phases in metal solidification (2020)
Journal Article
Koe, B., Abraham, C., Bailey, C., Greening, B., Small, M., Connolley, T., & Mi, J. (2020). A novel electromagnetic apparatus for in-situ synchrotron X-ray imaging study of the separation of phases in metal solidification. HardwareX, 7, Article e00104. https://doi.org/10.1016/j.ohx.2020.e00104

As a part of a research into new techniques for purifying recycled aluminium alloys, a novel electromagnetic apparatus had been developed for investigating in real-time the separation mechanisms of detrimental inclusions in aluminium alloy melts unde... Read More about A novel electromagnetic apparatus for in-situ synchrotron X-ray imaging study of the separation of phases in metal solidification.

Wind turbine asymmetrical load reduction with pitch sensor fault compensation (2020)
Journal Article
Liu, Y., Patton, R. J., & Shi, S. (2020). Wind turbine asymmetrical load reduction with pitch sensor fault compensation. Wind energy, 23(7), 1523-1541. https://doi.org/10.1002/we.2496

Offshore wind turbines suffer from asymmetrical loading (blades, tower, etc), leading to enhanced structural fatigue. As well as asymmetrical loading different faults (pitch system faults etc.) can occur simultaneously, causing degradation of load mi... Read More about Wind turbine asymmetrical load reduction with pitch sensor fault compensation.

Drop weight impact behaviour of viscoelastically prestressed composites (2020)
Journal Article
Qin, Y., & Fancey, K. S. (2020). Drop weight impact behaviour of viscoelastically prestressed composites. Composites Part A: Applied Science and Manufacturing, 131, Article 105782. https://doi.org/10.1016/j.compositesa.2020.105782

Viscoelastically prestressed polymeric matrix composites (VPPMCs) are produced by subjecting fibres to tensile creep, the creep load being released prior to fibre moulding. Following matrix curing, the viscoelastically recovering fibres generate com... Read More about Drop weight impact behaviour of viscoelastically prestressed composites.

Observer-Based Unknown Input Estimator of Wave Excitation Force for a Wave Energy Converter (2019)
Journal Article
Abdelrahman, M., & Patton, R. (2020). Observer-Based Unknown Input Estimator of Wave Excitation Force for a Wave Energy Converter. IEEE Transactions on Control Systems Technology, 28(6), 2665-2672. https://doi.org/10.1109/TCST.2019.2944329

Several energy maximization control approaches for point-absorber wave-energy converter (PAWEC) systems require knowledge of the wave excitation force (WEF) that is not measurable during the PAWEC operation. Many WEF estimators have been proposed bas... Read More about Observer-Based Unknown Input Estimator of Wave Excitation Force for a Wave Energy Converter.

The impact of spatial temporal averaging on the dynamic statistical properties of rain fields (2019)
Journal Article
Yang, G., Ndzi, D. L., Gremont, B. C., Paulson, K., Filip, M., & Al-Hassani, A. (2019). The impact of spatial temporal averaging on the dynamic statistical properties of rain fields. IEEE Transactions on Antennas and Propagation, 67(12), 7505-7517. https://doi.org/10.1109/tap.2019.2930137

Knowledge of the spatial-temporal variation of rain fields is required for the planning and optimization of wide area high frequency terrestrial and satellite communication networks. This paper presents data and a method for characterizing multi-reso... Read More about The impact of spatial temporal averaging on the dynamic statistical properties of rain fields.

Integrated Fault-Tolerant Control for Close Formation Flight (2019)
Journal Article
Liu, C., Jiang, B., Patton, R. J., & Zhang, K. (2020). Integrated Fault-Tolerant Control for Close Formation Flight. IEEE Transactions on Aerospace and Electronic Systems, 56(2), 839-852. https://doi.org/10.1109/TAES.2019.2920221

This paper investigates the position-tracking and attitude-tracking control problem of close formation flight with vortex effects under simultaneous actuator and sensor faults. On the basis of the estimated state and fault information from unknown in... Read More about Integrated Fault-Tolerant Control for Close Formation Flight.

Decentralized Output Sliding-Mode Fault-Tolerant Control for Heterogeneous Multiagent Systems (2019)
Journal Article
Liu, C., Jiang, B., Patton, R. J., & Zhang, K. (2020). Decentralized Output Sliding-Mode Fault-Tolerant Control for Heterogeneous Multiagent Systems. IEEE Transactions on Cybernetics, 50(12), 4934-4945. https://doi.org/10.1109/TCYB.2019.2912636

This paper proposes a novel decentralized output sliding-mode fault-tolerant control (FTC) design for heterogeneous multiagent systems (MASs) with matched disturbances, unmatched nonlinear interactions, and actuator faults. The respective iteration a... Read More about Decentralized Output Sliding-Mode Fault-Tolerant Control for Heterogeneous Multiagent Systems.

Viscoelastically prestressed polymeric matrix composites – effects of delayed moulding on Charpy impact properties (2019)
Journal Article
Qin, Y., & Fancey, K. S. (2019). Viscoelastically prestressed polymeric matrix composites – effects of delayed moulding on Charpy impact properties. Composites Part A: Applied Science and Manufacturing, 121, 169-174. https://doi.org/10.1016/j.compositesa.2019.03.014

Viscoelastically prestressed polymeric matrix composites (VPPMCs) are produced by subjecting fibres to creep, then releasing the creep load before moulding. Previous work has demonstrated mechanical property improvements up to ~50% from nylon 6,6 fib... Read More about Viscoelastically prestressed polymeric matrix composites – effects of delayed moulding on Charpy impact properties.

The effect of beat interval on ventricular repolarisation in atrial fibrillation (2019)
Presentation / Conference Contribution
Al-Karadi, M. S., Wilkinson, A. J., & Langley, P. (2018, September). The effect of beat interval on ventricular repolarisation in atrial fibrillation. Presented at 2018 Computing in Cardiology Conference (CinC), Maastricht, The Netherlands

© 2018 Creative Commons Attribution. Atrial fibrillation (AF) is characterised by rapid beat interval changes. The aim of the study was to investigate the effect of such changes on ECG ventricular repolarisation characteristics. In 10 AF recordings b... Read More about The effect of beat interval on ventricular repolarisation in atrial fibrillation.

Enhancement of wave energy absorption efficiency via geometry and power take-off damping tuning (2018)
Journal Article
Jin, S., Patton, R. J., & Guo, B. (2019). Enhancement of wave energy absorption efficiency via geometry and power take-off damping tuning. Energy, 169, 819-832. https://doi.org/10.1016/j.energy.2018.12.074

In this work a three dimensional computational fluid dynamic (CFD) model has been constructed based on a 1/50 scale heaving point absorber wave energy converter (PAWEC). The CFD model is validated first via wave tank tests and then is applied in this... Read More about Enhancement of wave energy absorption efficiency via geometry and power take-off damping tuning.

Estimating one-minute rain rate distributions in the Tropics from TRMM satellite data (October 2017) (2018)
Journal Article
Rimvin, G. R., Paulson, K. S., & Bellerby, T. (2018). Estimating one-minute rain rate distributions in the Tropics from TRMM satellite data (October 2017). IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 11(10), 3660-3667. https://doi.org/10.1109/JSTARS.2018.2869322

© 2008-2012 IEEE. Internationally recognized prognostic models of rain fade on terrestrial and Earth-space extremely high frequency (EHF) links rely fundamentally on distributions of 1-min rain rates. In Rec. ITU-R P.837-6, these distributions are es... Read More about Estimating one-minute rain rate distributions in the Tropics from TRMM satellite data (October 2017).

A comprehensive study of the effect of chemical impurities on selection and sizing of centrifugal machines for supercritical carbon dioxide transport pipelines (2018)
Journal Article
Okezue, C., & Kuvshinov, D. (2018). A comprehensive study of the effect of chemical impurities on selection and sizing of centrifugal machines for supercritical carbon dioxide transport pipelines. Applied energy, 230, 816-835. https://doi.org/10.1016/j.apenergy.2018.08.074

Compressors and booster pumps constitute the “heart” of the supercritical carbon dioxide transport pipeline network because they consume most of the required energy input. In other words, most of the operating expenditure for the transport pipeline g... Read More about A comprehensive study of the effect of chemical impurities on selection and sizing of centrifugal machines for supercritical carbon dioxide transport pipelines.