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An Analytical-Numerical Approach to Model and Analyse Squirrel Cage Induction Motors (2020)
Journal Article
Marfoli, A., Papini, L., Bolognesi, P., & Gerada, C. (2021). An Analytical-Numerical Approach to Model and Analyse Squirrel Cage Induction Motors. IEEE Transactions on Energy Conversion, 36(1), 421-430. https://doi.org/10.1109/tec.2020.3007385

Nowadays, finite element analysis represents the most accurate tool to analyse electrical machines. However, the time domain resolution of electromagnetic problem, in some cases, requires long simulation time due to the induced nature of the currents... Read More about An Analytical-Numerical Approach to Model and Analyse Squirrel Cage Induction Motors.

Performance Improvement of Bearingless Multisector PMSM With Optimal Robust Position Control (2018)
Journal Article
Valente, G., Formentini, A., Papini, L., Gerada, C., & Zanchetta, P. (2019). Performance Improvement of Bearingless Multisector PMSM With Optimal Robust Position Control. IEEE Transactions on Power Electronics, 34(4), 3575-3585. https://doi.org/10.1109/TPEL.2018.2853038

© 2018 IEEE. Bearingless machines are relatively new devices that consent to suspend and spin the rotor at the same time. They commonly rely on two independent sets of three-phase windings to achieve a decoupled torque and suspension force control. I... Read More about Performance Improvement of Bearingless Multisector PMSM With Optimal Robust Position Control.

Space vectors and pseudo inverse matrix methods for the radial force control in bearingless multi-sector permanent magnet machines (2018)
Journal Article
Sala, G., Valente, G., Formentini, A., Papini, L., Gerada, D., Zanchetta, P., …Gerada, C. (2018). Space vectors and pseudo inverse matrix methods for the radial force control in bearingless multi-sector permanent magnet machines. IEEE Transactions on Industrial Electronics, 65(9), 6912-6922. https://doi.org/10.1109/TIE.2018.2795590

Two different approaches to characterize the torque and radial force production in a Bearingless Multi-Sector Permanent Magnet (BMSPM) machine are presented in this work. The first method consists of modelling the motor in terms of torque and force p... Read More about Space vectors and pseudo inverse matrix methods for the radial force control in bearingless multi-sector permanent magnet machines.

Radial force control of multi-sector permanent magnet machines for vibration suppression (2017)
Journal Article
Valente, G., Papini, L., Formentini, A., Gerada, C., & Zanchetta, P. (2018). Radial force control of multi-sector permanent magnet machines for vibration suppression. IEEE Transactions on Industrial Electronics, 65(7), 5395-5405. https://doi.org/10.1109/TIE.2017.2780039

Radial force control in electrical machines has been widely investigated for a variety of bearingless machines, as well as for the conventional structures featuring mechanical bearings. This paper takes advantage of the spatial distribution of the wi... Read More about Radial force control of multi-sector permanent magnet machines for vibration suppression.

Multi-domain optimization of high power-density PM electrical machines for system architecture selection (2017)
Journal Article
Golovanov, D., Papini, L., Gerada, D., Xu, Z., & Gerada, C. (2018). Multi-domain optimization of high power-density PM electrical machines for system architecture selection. IEEE Transactions on Industrial Electronics, 65(7), 5302-5312. https://doi.org/10.1109/TIE.2017.2772188

The power density of electrical machines for transport applications has become a critical aspect and target of optimization. This paper looks at the development of an intelligent, rapid, flexible, and multidomain tool to aid for system-level optimiza... Read More about Multi-domain optimization of high power-density PM electrical machines for system architecture selection.

Analytical thermal model for fast stator winding temperature prediction (2017)
Journal Article
Sciascera, C., Giangrande, P., Papini, L., Gerada, C., & Galea, M. (2017). Analytical thermal model for fast stator winding temperature prediction. IEEE Transactions on Industrial Electronics, 64(8), 6116-6126. https://doi.org/10.1109/TIE.2017.2682010

This paper introduces an innovative thermal modelling technique which accurately predicts the winding temperature of electrical machines, both at transient and steady state conditions, for applications where the stator Joule losses are the dominant h... Read More about Analytical thermal model for fast stator winding temperature prediction.

Demagnetisation analysis for Halbach array configurations in electrical machines (2015)
Journal Article
Galea, M., Papini, L., Zhang, H., Gerada, C., & Hamiti, T. (2015). Demagnetisation analysis for Halbach array configurations in electrical machines. IEEE Transactions on Magnetics, 51(9), https://doi.org/10.1109/TMAG.2015.2429645

This paper proposes and investigates an analytical method for assessing the risk of potential, irreversible demagnetisation in the PMs of electrical machines, equipped with n-stages, Halbach arrays. The higher risk of demagnetisation, synonymous with... Read More about Demagnetisation analysis for Halbach array configurations in electrical machines.

A high-speed permanent-magnet machine for fault-tolerant drivetrains (2013)
Journal Article
Papini, L., Tsarfidy, R., Gerada, D., & Gerada, C. (2013). A high-speed permanent-magnet machine for fault-tolerant drivetrains. IEEE Transactions on Industrial Electronics, 61(6), https://doi.org/10.1109/TIE.2013.2282604

This paper details the design considerations of a permanent magnet (PM), three phase, high speed, synchronous machine for fault tolerant operation. A multidisciplinary approach to the optimal design of the machine is adopted targeted at minimising th... Read More about A high-speed permanent-magnet machine for fault-tolerant drivetrains.