Paul Wright
YOU?
Author Swipe
View article: Self-configuring metro-access network with OpenXR Pluggables and filter-less OADMs
Self-configuring metro-access network with OpenXR Pluggables and filter-less OADMs Open
We present a proof-of-concept (PoC) of a metro-access optical network that uses automatically reconfigurable OpenXR Pluggables and filter-less optical add-drop multiplexers (OADMs) over a chain of access nodes connected to two metro nodes …
View article: Machine Learning-Enhanced Laser Absorption Spectroscopy for Harsh-Environment Combustion Diagnosis
Machine Learning-Enhanced Laser Absorption Spectroscopy for Harsh-Environment Combustion Diagnosis Open
Laser absorption spectroscopy (LAS) has been widely adopted as a diagnostic tool for reactive flow-field monitoring in industrial combustion applications. Despite various advancements in LAS signal processing schemes, these harsh environme…
View article: A Wrist-Worn Internet of Things Sensor Node for Wearable Equivalent Daylight Illuminance Monitoring
A Wrist-Worn Internet of Things Sensor Node for Wearable Equivalent Daylight Illuminance Monitoring Open
Light exposure is a vital regulator of physiology and behavior in humans. However, monitoring of light exposure is not included in current wearable Internet of Things (IoT) devices, and only recently have international standards defined [F…
View article: Associations between light exposure and sleep timing and sleepiness while awake in a sample of UK adults in everyday life
Associations between light exposure and sleep timing and sleepiness while awake in a sample of UK adults in everyday life Open
Experimental and interventional studies show that light can regulate sleep timing and sleepiness while awake by setting the phase of circadian rhythms and supporting alertness. The extent to which differences in light exposure explain vari…
View article: A fast sensor for non-intrusive measurement of concentration and temperature in turbine exhaust
A fast sensor for non-intrusive measurement of concentration and temperature in turbine exhaust Open
Exhaust gas temperature (EGT) is a key parameter in diagnosing the health of gas turbine engines (GTEs). In this article, we propose a model-driven spectroscopic network with strong generalizability to monitor the EGT rapidly and accuratel…
View article: Hybrid Model-Driven Spectroscopic Network for Rapid Retrieval of Turbine Exhaust Temperature
Hybrid Model-Driven Spectroscopic Network for Rapid Retrieval of Turbine Exhaust Temperature Open
Exhaust Gas Temperature (EGT) is a key parameter in diagnosing the health of gas turbine engines (GTEs). In this paper, we propose a model-driven spectroscopic network with strong generalizability to monitor the EGT rapidly and accurately.…
View article: Tomographic imaging of carbon dioxide in the exhaust plume of largecommercial aero-engines
Tomographic imaging of carbon dioxide in the exhaust plume of largecommercial aero-engines Open
We report here the first implementation of chemically specific imaging in the exhaust plume of a gas turbine typical of those used for propulsion in commercial aircraft. The method used is chemical species tomography (CST) and the target s…
View article: Scalp-Mounted Electrical Impedance Tomography of Cerebral Hemodynamics
Scalp-Mounted Electrical Impedance Tomography of Cerebral Hemodynamics Open
An Electrical Impedance Tomography (EIT) system has been developed for dynamic three-dimensional imaging of changes in conductivity distribution in the human head, using scalp-mounted electrodes. We attribute these images to changes in cer…
View article: 5G network slicing with QKD and quantum-safe security
5G network slicing with QKD and quantum-safe security Open
We demonstrate how the 5G network slicing model can be enhanced to address data security requirements. In this work, we demonstrate two different slice configurations, with different encryption requirements, representing two diverse use-ca…
View article: CIDAR Combustion species imaging diagnostics for aero-engine research
CIDAR Combustion species imaging diagnostics for aero-engine research Open
Very high bypass ratio (VHBR) engines will realize significant environmental benefits as lower fuel consumption contributes to a reduction in CO2, NOx and non-volatile particulate matter emission. VHBR engine performance tests will require…
View article: A Custom, High-Channel Count Data Acquisition System for Chemical Species Tomography of Aero-Jet Engine Exhaust Plumes
A Custom, High-Channel Count Data Acquisition System for Chemical Species Tomography of Aero-Jet Engine Exhaust Plumes Open
The FLITES project (Fiber-Laser Imaging of gas Turbine Exhaust Species) aims to provide a video-rate imaging (100 fps) diagnostic tool for application to the exhaust plumes of the largest civil aero-jet engines. This remit, enabled by chem…
View article: Combining non-intrusive and extractive methodologies for soot determination on aircraft engine emissions
Combining non-intrusive and extractive methodologies for soot determination on aircraft engine emissions Open
As a national research institution, INTA is supporting European and the Rolls-Royce initiatives to achieve the environmental goals of the European vision for aviation. Reserarch into non-volatile particulate matter emissions under dynamic …
View article: CIDAR project, development of a non-intrusive capability for soot measurement in aircraft engine emissions
CIDAR project, development of a non-intrusive capability for soot measurement in aircraft engine emissions Open
The complexity of Very High Bypass Ratio (VHBR) lean burn combustion systems requires careful fuel control and optimised staging to minimise non-volatile Particulate Matter (nvPM) emissions. Fuel flow variation across injectors will impact…
View article: Demonstration of SDN Application for Multilayer Video Contribution Network Service
Demonstration of SDN Application for Multilayer Video Contribution Network Service Open
This paper describes a demonstration of an end-to-end, SDN-controlled Video Contribution Network providing dynamic service set-up, using optical switching to enable flexible provisioning of resources.We show seamless operation of legacy an…
View article: Constrained models for optical absorption tomography
Constrained models for optical absorption tomography Open
We consider the inverse problem of concentration imaging in optical absorption tomography with limited data sets. The measurement setup involves simultaneous acquisition of near-infrared wavelength-modulated spectroscopic measurements from…
View article: Multiplexing And Transient Estimates In Lung Eit Instruments
Multiplexing And Transient Estimates In Lung Eit Instruments Open
Conference presentation at 16th International Conference on Electrical Bio-Impedance and 17th International Conference on Electrical Impedance Tomography.
View article: An efficient approach for limited-data chemical species tomography and its error bounds
An efficient approach for limited-data chemical species tomography and its error bounds Open
We present a computationally efficient reconstruction method for the limited-data chemical species tomography problem that incorporates projection of the unknown gas concentration function onto a low-dimensional subspace, and regularizatio…
View article: Optical-phase conjugation nonlinearity compensation in Flexi-Grid optical networks-dataset
Optical-phase conjugation nonlinearity compensation in Flexi-Grid optical networks-dataset Open
Dataset with the results obtained for the conference contribution of "Optical-phase conjugation nonlinearity compensation in Flexi-Grid optical networks". Specifically, the first set of results show the blocking probability for different c…