Surface temperature condition monitoring methods for aerospace turbomachinery: Exploring the use of ultrasonic guided waves

L Yule, B Zaghari, N Harris, M Hill - Measurement Science and …, 2021 - iopscience.iop.org
Turbine blades and nozzle guide vanes (NGVs) are operated at extreme temperatures in
order to maximise thermal efficiency and power output of an engine. In this paper the …

[HTML][HTML] A Novel Hybrid Technique Combining Improved Cepstrum Pre-Whitening and High-Pass Filtering for Effective Bearing Fault Diagnosis Using Vibration Data

A Kiakojouri, Z Lu, P Mirring, H Powrie, L Wang - Sensors, 2023 - mdpi.com
Rolling element bearings (REBs) are an essential part of rotating machinery. A localised
defect in a REB typically results in periodic impulses in vibration signals at bearing …

High-temperature self-powered sensing system for a smart bearing in an aircraft jet engine

B Zaghari, AS Weddell, K Esmaeili… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Integrated health monitoring is beneficial, but due to reliability, weight, size, wiring, and other
constraints, the incorporation of instrumentation onto aircraft propulsion systems is limited …

A generalised machine learning model based on multinomial logistic regression and frequency features for rolling bearing fault classification

A Kiakojouri, Z Lu, P Mirring, H Powrie… - … Testing and Condition …, 2022 - ingentaconnect.com
Intelligent fault classification of rolling element bearings (REBs) using machine learning
(ML) techniques increases the reliability of industrial assets. One of the main issues …

A Critical Insight and Evaluation of AI Models for Predictive Maintenance under Industry 4.0

T Kagzi, K Pandey - 2024 IEEE International Students' …, 2024 - ieeexplore.ieee.org
An efficient production line and regular preventive maintenance is a key of success for any
manufacturing industry as it avoids the costly breakdowns and is principal factor for increase …

Opportunities and challenges for energy harvesting sensor systems for harsh environments

B Zaghari, A Weddell, N White - … of the Fifth ACM International Workshop …, 2017 - dl.acm.org
Wireless sensing systems for harsh environments, especially at high temperatures, are of
great interest to many industries. Wireless sensing systems consist of sensors, electronic …

Temperature monitoring of nozzle guide vanes using ultrasonic guided waves

L Yule - 2022 - eprints.soton.ac.uk
This thesis explores the use of ultrasonic guided waves for the online temperature
monitoring of nozzle guide vanes (NGVs). These components are found within the turbine …

Review of Recent Patents on Smart Bearing

C Pan, Y Cao, Y Yan, R Shao - Recent Patents on Engineering, 2024 - ingentaconnect.com
Background: Smart bearing is based on the traditional bearing, which is integrated by
sensing devices and control devices, formating a unique bearing structure unit. It uses …

Condition monitoring of cylindrical roller bearings using integrated piezoelectric transducers

A Safian - 2023 - mspace.lib.umanitoba.ca
Bearings are essential mechanical components in rotating systems, operating under varying
loads, speeds, and temperatures. Imperfections, such as misalignment or lack of lubrication …

Towards in-flight temperature monitoring for nozzle guide vanes using ultrasonic guided waves

LM Yule, B Zaghari, N Harris, M Hill - AIAA Propulsion and Energy …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-3475. vid The temperature
monitoring of nozzle guide vanes is a challenging task due to the extreme temperatures, gas …