All Outputs (92)

Optimal Ultrasonic Sensor Configuration Based on Value of Information (2019)
Presentation / Conference Contribution
Cantero-Chinchilla, S., Chiachío, J., & Chiachío, M. (2019, September). Optimal Ultrasonic Sensor Configuration Based on Value of Information. Presented at 29th European Safety and Reliability Conference, Hannover, Germany

Optimal sensor configuration has been proven to be essential in the design of structural health monitoring systems. Its impact in maintenance-related actions in an economic and safety-related way has motivated many authors to investigate this complex... Read More about Optimal Ultrasonic Sensor Configuration Based on Value of Information.

Automated characterisation of multi-view fringe projection system for three- dimensional measurement of additively manufactured parts (2019)
Presentation / Conference Contribution
Leach, R. K., Shaheen, A., Piano, S., Sims-Waterhouse, D., & Bointon, P. (2019, September). Automated characterisation of multi-view fringe projection system for three- dimensional measurement of additively manufactured parts. Presented at Special Interest Group Meeting: Advancing Precision in Additive Manufacturing, Ecole Centrale de Nantes, Nantes, France

Digital fringe projection is a non-contact method that is widely used for the dimensional characterisation of complex manufactured parts. However, single camera-projector fringe projection systems struggle to acquire the full three-dimensional point... Read More about Automated characterisation of multi-view fringe projection system for three- dimensional measurement of additively manufactured parts.

Metaheuristic optimisation of sound absorption performance of multilayered porous materials (2019)
Presentation / Conference Contribution
Ramamoorthy, V. T., Özcan, E., Parkes, A. J., Luc, J., & Bécot, F.-X. (2019, September). Metaheuristic optimisation of sound absorption performance of multilayered porous materials. Presented at 23rd International Congress on Acoustics (ICA 2019), Aachen, Germany

The optimization of multilayered-sound-packaging is a challenging task which involves searching the best/op-timal settings for a number of acoustic parameters. The search space size becomes too large to handle by brute force, as the number of those p... Read More about Metaheuristic optimisation of sound absorption performance of multilayered porous materials.

Optimal Ultrasonic Sensor Configuration for Plate-Like Structures Using the Value of Information (2019)
Presentation / Conference Contribution
Cantero-Chinchilla, S., Chiachío, J., Chiachío, M., Chronopoulos, D., Jones, A., Essa, Y., & de la Escalera, F. M. (2019, September). Optimal Ultrasonic Sensor Configuration for Plate-Like Structures Using the Value of Information. Presented at 12th International Workshop on Structural Health Monitoring, Stanford, California, USA

Condition-based maintenance is based on reliable and effective structural health monitoring systems able to provide accurate information about the health condition of a structure. Among the factors that influence the accuracy and reliability of such... Read More about Optimal Ultrasonic Sensor Configuration for Plate-Like Structures Using the Value of Information.

Ultrasonic Guided-Wave Based System Identification for Beams (2019)
Presentation / Conference Contribution
MALIK, M. K., CHINCHILLA, S. C., CHRONOPOULOS, D., CHIACHIAO, J., & ESSA, Y. (2019, September). Ultrasonic Guided-Wave Based System Identification for Beams. Presented at 12th International Workshop on Structural Health Monitoring, Stanford, California, USA

© 2019 by DEStech Publications, Inc. All rights reserved. Structural health monitoring (SHM) usually requires several stages of information, starting from damage detection, localisation, and identification. Ultrasonic guided waves can travel long dis... Read More about Ultrasonic Guided-Wave Based System Identification for Beams.

Repetitive Observer Design for Torque Ripple Reduction in PMSM Drives (2019)
Presentation / Conference Contribution
Tang, M., Formentini, A., & Zanchetta, P. (2019, September). Repetitive Observer Design for Torque Ripple Reduction in PMSM Drives. Presented at 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), Genova, Italy

Modelling Fringe Projection Based on Linear Systems Theory and Geometric Transformation (2019)
Presentation / Conference Contribution
Gayton, G., Su, R., & Leach, R. (2019, September). Modelling Fringe Projection Based on Linear Systems Theory and Geometric Transformation. Presented at 14th International Symposium on Measurement Technology and Intelligent Instruments (ISMTII2019), Niigata, Japan

Fringe projection measurement techniques offer fast, non-contact measurements of the surface form of manufactured parts at relatively low cost. Recent advances in fringe projection have reduced measurement errors from effects such as multiple surface... Read More about Modelling Fringe Projection Based on Linear Systems Theory and Geometric Transformation.

Towards Optimal Design of Rainbow Metamaterials (2019)
Presentation / Conference Contribution
Meng, H., Chronopoulos, D., & Fabro, A. T. (2019, September). Towards Optimal Design of Rainbow Metamaterials. Presented at 14th International Conference on Vibration Problems, Hersonissos, Crete, Greece

Nonperiodic metamaterials can have better vibration attenuation than periodic metamaterials with properly designed resonator distributions. In this study, we propose optimal design routes for rainbow metamaterials. The rainbow metamaterials are nonpe... Read More about Towards Optimal Design of Rainbow Metamaterials.

Equivalent Slot Thermal Conductivity and Back-iron Extension Effects on Machine Cooling (2019)
Presentation / Conference Contribution
Zhang, F., Gerada, D., Xu, Z., Zhang, H., & Gerada, C. (2019, August). Equivalent Slot Thermal Conductivity and Back-iron Extension Effects on Machine Cooling. Presented at 2019 22nd International Conference on Electrical Machines and Systems (ICEMS), Harbin, China

Back-iron Extension (BIE) is an effective thermal management technique which reduces the winding temperatures by projecting part of the back iron into the center of slot, thereby shortening the heat transfer path between the coil and back iron. Based... Read More about Equivalent Slot Thermal Conductivity and Back-iron Extension Effects on Machine Cooling.

Modelling and Analysis of an Aircraft On-board Electric Taxiing System (2019)
Presentation / Conference Contribution
Lukic, M., Giangrande, P., Klumpner, C., & Galea, M. (2019, August). Modelling and Analysis of an Aircraft On-board Electric Taxiing System. Presented at 2019 22nd International Conference on Electrical Machines and Systems (ICEMS), Harbin, China

This paper presents a model that enables analysis and design validation of an aircraft on-board electric taxiing system. A detailed model, which includes power electronics, electrical machine and mechanical drivetrain, is first developed and discusse... Read More about Modelling and Analysis of an Aircraft On-board Electric Taxiing System.

Simplified Lumped Parameter Thermal Network for Short-Duty Dual Three-Phase Permanent Magnet Machines (2019)
Presentation / Conference Contribution
Giangrande, P., Madonna, V., Zhao, W., Wang, Y., Gerada, C., & Galea, M. (2019, August). Simplified Lumped Parameter Thermal Network for Short-Duty Dual Three-Phase Permanent Magnet Machines. Presented at 2019 22nd International Conference on Electrical Machines and Systems (ICEMS), Harbin, China

© 2019 IEEE. Electrical machines are progressively being employed in an ever-increasing number of safety-critical applications (e.g. aerospace and automotive), which demand high performance as well as reliability features. The modular structure and t... Read More about Simplified Lumped Parameter Thermal Network for Short-Duty Dual Three-Phase Permanent Magnet Machines.

Insulation Capacitance as Diagnostic Marker for Thermally Aged, Low Voltage Electrical Machines (2019)
Presentation / Conference Contribution
Madonna, V., Giangrande, P., Zhao, W., Wang, Y., Zhang, H., & Galea, M. (2019, August). Insulation Capacitance as Diagnostic Marker for Thermally Aged, Low Voltage Electrical Machines. Presented at 2019 22nd International Conference on Electrical Machines and Systems (ICEMS), Harbin, China

© 2019 IEEE. Thermal aging is considered as the principal insulation stress factor in low voltage electrical machines (EMs). Once the insulation reaches its end-of-life, a complete EM out of service can be caused within few operating cycles/hours. In... Read More about Insulation Capacitance as Diagnostic Marker for Thermally Aged, Low Voltage Electrical Machines.

Open-Switch Fault Diagnosis for Three-Phase AC-DC Power Converter with Park's Vector Method Considering Modulation Schemes (2019)
Presentation / Conference Contribution
Guo, F., Yang, T., Bozhko, S., & Wheeler, P. (2019, August). Open-Switch Fault Diagnosis for Three-Phase AC-DC Power Converter with Park's Vector Method Considering Modulation Schemes. Presented at 2019 IEEE 12th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED), Toulouse, France

Open-switch fault accounts for large proportions among failures in power conversion system. Previously, fault defection methods are carried out by researches from transient period or circuit configuration with complicated algorithms. This paper revea... Read More about Open-Switch Fault Diagnosis for Three-Phase AC-DC Power Converter with Park's Vector Method Considering Modulation Schemes.

Performance Improvement of >10kV SiC IGBTs with Retrograde p-Well (2019)
Presentation / Conference Contribution
Tiwari, A. K., Antoniou, M., Lophitis, N., Perkins, S., Trajkovic, T., Trajkovic, T., & Udrea, F. (2018, September). Performance Improvement of >10kV SiC IGBTs with Retrograde p-Well. Presented at 12th European Conference on Silicon Carbide and Related Materials (ECSCRM 2018), Birmingham, UK

A p-well consisting of a retrograde doping profile is investigated for performance improvement of >10kV SiC IGBTs. The retrograde p-well, which can be realized using low-energy shallow implants, effectively addresses the punch-through, a common issue... Read More about Performance Improvement of >10kV SiC IGBTs with Retrograde p-Well.

High Throughput Fabrication of Microdroplets Using Needle Based Microfluidic System (2019)
Presentation / Conference Contribution
Lian, Z., Ren, Y., Koh, K. S., He, J., Chen, G. Z., & Yang, X. (2019, July). High Throughput Fabrication of Microdroplets Using Needle Based Microfluidic System. Presented at 6th ASME International Conference on Micro/Nanoscale Heat and Mass Transfer (MNHMT 2019), Dalian, China

Copyright © 2019 ASME Needle-based microfluidic system that comprised of needle-based microfluidic devices (NBMD) in parallel connection was employed to generate polydimethylsiloxane (PDMS) microdroplets using oil-in-water (O/W) single emulsion templ... Read More about High Throughput Fabrication of Microdroplets Using Needle Based Microfluidic System.

Case studies in X ray computed tomography surface texture measurement (2019)
Presentation / Conference Contribution
Thompson, A., Senin, N., & Leach, R. (2019, July). Case studies in X ray computed tomography surface texture measurement. Presented at 22nd International Conference on Metrology and Properties of Engineering Surfaces, Lyon, France

Towards a streamlined stacking sequence optimisation methodology for blended composite aircraft structures (2019)
Presentation / Conference Contribution
Ntourmas, G., Özcan, E., Chronopoulos, D., Glock, F., & Daoud, F. (2019, July). Towards a streamlined stacking sequence optimisation methodology for blended composite aircraft structures. Presented at 8th European Conference for Aeronautics and Aerospace Sciences (EUCASS), Madrid, Spain

In order to fully exploit the benefits provided by using composite materials in large scale aerospace structures, more efficient detailed design optimisation techniques need to be developed. In the present work, the optimisation procedure is split up... Read More about Towards a streamlined stacking sequence optimisation methodology for blended composite aircraft structures.

New Reduced Asymmetric Basic Module Multilevel Converters for Cascaded Configurations (2019)
Presentation / Conference Contribution
Hosseinzadeh, M. A., Sarbanzadeh, M., Rivera, M., & Wheeler, P. (2019, June). New Reduced Asymmetric Basic Module Multilevel Converters for Cascaded Configurations. Presented at 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE), Vancouver, BC, Canada

Requiring a high number of power switches and their rating are the main limitations of multilevel converters in medium-voltage applications. The main objective of this paper is, introduce a reduced asymmetric basic module (RABM) for cascaded multilev... Read More about New Reduced Asymmetric Basic Module Multilevel Converters for Cascaded Configurations.

Prediction of Film Thickness of an Aero-Engine Bearing Chamber using Coupled VOF and Thin Film Model (2019)
Presentation / Conference Contribution
Singh, K., Sharabi, M., Ambrose, S., Eastwick, C., & Jefferson-Loveday, R. J. (2019, June). Prediction of Film Thickness of an Aero-Engine Bearing Chamber using Coupled VOF and Thin Film Model. Presented at ASME Turbo Expo 2019 Turbomachinery Technical Conference & Exposition, Phoenix, Arizona, United States

In the present work, a coupled volume-of-fluid (VOF) model with Eulerian thin-film model (ETFM) approach is used to predict the film thickness in an aero-engine bearing chamber. Numerical studies are conducted for a wide range of shaft speeds with lu... Read More about Prediction of Film Thickness of an Aero-Engine Bearing Chamber using Coupled VOF and Thin Film Model.

Assessment of an Enhanced Thin Film Model to Capture Wetting and Drying Behavior in an Aero-Engine Bearing Chamber (2019)
Presentation / Conference Contribution
Singh, K., Sharabi, M., Ambrose, S., Eastwick, C., Jefferson-Loveday, R., Cao, J., & Jacobs, A. (2019, June). Assessment of an Enhanced Thin Film Model to Capture Wetting and Drying Behavior in an Aero-Engine Bearing Chamber. Presented at ASME Turbo Expo 2019 Turbomachinery Technical Conference & Exposition, Phoenix, Arizona, United States

In the present work, a wetting and drying model is coupled with Eulerian Thin-Film model (ETFM) to analyze the wetting and drying behavior inside the bearing chamber. In the enhanced model, an additional source term is included to account for the con... Read More about Assessment of an Enhanced Thin Film Model to Capture Wetting and Drying Behavior in an Aero-Engine Bearing Chamber.