Outputs (6624)

Hybrid sensorless motor control in aerospace applications, a survey in sensorless control, optimizing for availability and acoustic noise (2021)
Presentation / Conference Contribution
Skoulaxinos, S., Wheeler, P., & Vakil, G. (2021, April). Hybrid sensorless motor control in aerospace applications, a survey in sensorless control, optimizing for availability and acoustic noise. Presented at Proceedings - 2021 IEEE Workshop on Electrical Machines Design, Control and Diagnosis, WEMDCD 2021, Modena, Italy

A wide range of aerospace applications previously based on hydraulics including the control of aerodynamic surfaces are being actively replaced by lighter, more intelligent Motor Drive Electronics (MDEs). However, motor resolvers commonly used to pro... Read More about Hybrid sensorless motor control in aerospace applications, a survey in sensorless control, optimizing for availability and acoustic noise.

Comparative Analysis Between Unscented and Extended Kalman Filters for PMSG Inter-Turn Fault Detection (2021)
Presentation / Conference Contribution
El Sayed, W., Aboelhassan, A., Madi, A., Hebala, A., & Galea, M. (2021, April). Comparative Analysis Between Unscented and Extended Kalman Filters for PMSG Inter-Turn Fault Detection. Presented at 2021 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD), Modena, Italy

This paper investigates the detection of inter-turn phase faults in Permanent Magnet Synchronous Generators (PMSGs) using the Unscented Kalman Filter (UKF) compared to the Extended Kalman Filter (EKF). PMSGs are subject to several faults such as bear... Read More about Comparative Analysis Between Unscented and Extended Kalman Filters for PMSG Inter-Turn Fault Detection.

Circulating Current Control for the Modular Multilevel Matrix Converter Based on Model Predictive Control (2021)
Journal Article
Urrutia, M., Cardenas, R., Clare, J. C., & Watson, A. (2021). Circulating Current Control for the Modular Multilevel Matrix Converter Based on Model Predictive Control. IEEE Journal of Emerging and Selected Topics in Power Electronics, 9(5), 6069-6085. https://doi.org/10.1109/jestpe.2021.3071964

In this work, a Continuous-Control-Set Model Predictive Control (CCS-MPC) strategy, with a saturation scheme for protection, is presented for regulating the circulating currents of a Modular Multilevel Matrix Converter (M3C). The proposed scheme is b... Read More about Circulating Current Control for the Modular Multilevel Matrix Converter Based on Model Predictive Control.

Torque Ripple Suppression for IPMSM using FEA- based Model Predictive Direct Torque Control (2021)
Presentation / Conference Contribution
Nasr, A., Gu, C., Zhao, W., Bozhko, S., & Gerada, C. (2021, April). Torque Ripple Suppression for IPMSM using FEA- based Model Predictive Direct Torque Control. Presented at IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD 2021), Modena, Italy

The interest in model predictive direct torque control (MP-DTC) for high-performance dynamic control of electric drives has been growing. Unlike the conventional direct torque control (DTC), MP-DTC can achieve optimal voltage selection by predicting... Read More about Torque Ripple Suppression for IPMSM using FEA- based Model Predictive Direct Torque Control.

Improved Propulsion Motor Design for a Twelve Passenger All-Electric Aircraft (2021)
Presentation / Conference Contribution
Hebala, A., Nuzzo, S., Connor, P. H., Giangrande, P., Gerada, C., & Galea, M. (2021, April). Improved Propulsion Motor Design for a Twelve Passenger All-Electric Aircraft. Presented at IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD 2021), Modena, Italy

This paper investigates the design of a 12-seater aircraft electric propulsion motor (ProMo). The design procedures aim to improve the performance of a previously designed motor, while adding further restrictions to the electrical and thermal boundar... Read More about Improved Propulsion Motor Design for a Twelve Passenger All-Electric Aircraft.

Impedance-based Stability Analysis of Permanent Magnet Synchronous Generator for the More Electric Aircraft (2021)
Presentation / Conference Contribution
Yang, J., Buticchi, G., Gu, C., & Wheeler, P. (2021, April). Impedance-based Stability Analysis of Permanent Magnet Synchronous Generator for the More Electric Aircraft. Presented at 5th IEEE Workshop on Electrical Machine Design, Control and Diagnosis, Modena, Italy (online)

For a more electric aircraft (MEA), most hydraulic, pneumatic and mechanical subsystems are supposed to be replaced with electrical subsystems. These replacements result in a larger scale of on-board electrical power distribution system (EPDS). As th... Read More about Impedance-based Stability Analysis of Permanent Magnet Synchronous Generator for the More Electric Aircraft.

An alternative approach to railway asset management value analysis: application to a UK railway corridor (2021)
Journal Article
Litherland, J., Calvert, G., Andrews, J., Modhara, S., & Kirwan, A. (2021). An alternative approach to railway asset management value analysis: application to a UK railway corridor. Infrastructure Asset Management, 8(2), 85-97. https://doi.org/10.1680/jinam.21.00003

Railway networks are complex systems and the management of such systems is a challenging task for railway asset managers. It is their responsibility to ensure that the network delivers the highest level of performance for all stakeholders, whilst adh... Read More about An alternative approach to railway asset management value analysis: application to a UK railway corridor.

Fracture properties and microstructure formation of hardened alkali-activated slag/fly ash pastes (2021)
Journal Article
Zhang, S., Li, Z., Ghiassi, B., Yin, S., & Ye, G. (2021). Fracture properties and microstructure formation of hardened alkali-activated slag/fly ash pastes. Cement and Concrete Research, 144, Article 106447. https://doi.org/10.1016/j.cemconres.2021.106447

This study presents a comprehensive experimental investigation on the fracture properties of hardened alkali-activated slag/fly ash (AASF) pastes in relation to the microstructure formation and reaction product composition. The main reaction product... Read More about Fracture properties and microstructure formation of hardened alkali-activated slag/fly ash pastes.

A target-driven decision-making multi-layered approach for optimal building retrofits via agglomerative hierarchical clustering: A case study in China (2021)
Journal Article
Hong, Y., Ezeh, C., Zhao, H., Deng, W., Hong, S.-H., & Tang, Y. (2021). A target-driven decision-making multi-layered approach for optimal building retrofits via agglomerative hierarchical clustering: A case study in China. Building and Environment, 197, Article 107849. https://doi.org/10.1016/j.buildenv.2021.107849

The optimization of energy, environmental and economic (3E) outcomes is the principal approach to identifying retrofit solutions for a sustainable built environment. By applying this approach and defining a set performance target, this study proposes... Read More about A target-driven decision-making multi-layered approach for optimal building retrofits via agglomerative hierarchical clustering: A case study in China.

Non-stationary extreme value analysis of sea states based on linear trends. Analysis of annual maxima series of significant wave height and peak period in the Mediterranean Sea (2021)
Journal Article
De Leo, F., Besio, G., Briganti, R., & Vanem, E. (2021). Non-stationary extreme value analysis of sea states based on linear trends. Analysis of annual maxima series of significant wave height and peak period in the Mediterranean Sea. Coastal Engineering, 167, Article 103896. https://doi.org/10.1016/j.coastaleng.2021.103896

Non-stationary Extreme Value Analysis (NEVA) allows to determine the probability of exceedance of extreme sea states taking into account trends in the time series of data at hand. In this work, we analyse the reliability of NEVA of significant wave h... Read More about Non-stationary extreme value analysis of sea states based on linear trends. Analysis of annual maxima series of significant wave height and peak period in the Mediterranean Sea.