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Flexible Energy Conversion Control Strategy for Brushless Dual-Mechanical-Port Dual-Electrical-Port Machine in Hybrid Vehicles (2018)
Journal Article
Han, X., Kong, W., Qu, R., Li, D., Zou, T., Ren, X., Pei, T., Yang, K., & Gan, C. (2019). Flexible Energy Conversion Control Strategy for Brushless Dual-Mechanical-Port Dual-Electrical-Port Machine in Hybrid Vehicles. IEEE Transactions on Power Electronics, 34(4), 3910-3920. https://doi.org/10.1109/tpel.2018.2854767

Due to the advantages of high torque density and compact mechanical structure, brushless dual-mechanical-port dual-electrical-port (BLDD) permanent magnet (PM) machine has become a promising alternative in series-parallel hybrid electrical vehicles (... Read More about Flexible Energy Conversion Control Strategy for Brushless Dual-Mechanical-Port Dual-Electrical-Port Machine in Hybrid Vehicles.

Inductance Evaluation and Sensorless Control of a Concentrated Winding PM Vernier Machine (2018)
Journal Article
Zou, T., Han, X., Jiang, D., Qu, R., & Li, D. (2018). Inductance Evaluation and Sensorless Control of a Concentrated Winding PM Vernier Machine. IEEE Transactions on Industry Applications, 54(3), 2175-2184. https://doi.org/10.1109/TIA.2018.2799982

Due to the advantages of high torque density and simple mechanical structure, permanent magnet vernier (PMV) machines have attracted more and more research interests. In this paper, the inductance nonlinearity of an advanced concentrated winding PMV... Read More about Inductance Evaluation and Sensorless Control of a Concentrated Winding PM Vernier Machine.

A Novel Method for Calculating Airgap Permeance of PM Machines Based on Equivalent Electrostatic FEA (2017)
Presentation / Conference Contribution
Zou, T., Li, D., Qu, R., & Jiang, D. (2017, June). A Novel Method for Calculating Airgap Permeance of PM Machines Based on Equivalent Electrostatic FEA. Presented at 21st International Conference on the Computation of Electromagnetic Fields, Daejeon, Korea

The detailed airgap permeance distribution of an electric machine is important information for analyzing and optimizing the machine’s performance. However, there is only analytical method to calculate permeance, and the simulation method which can be... Read More about A Novel Method for Calculating Airgap Permeance of PM Machines Based on Equivalent Electrostatic FEA.

Analysis of Fractional-Slot Concentrated Winding PM Vernier Machines With Regular Open-Slot Stators (2017)
Journal Article
Li, D., Zou, T., Qu, R., & Jiang, D. (2018). Analysis of Fractional-Slot Concentrated Winding PM Vernier Machines With Regular Open-Slot Stators. IEEE Transactions on Industry Applications, 54(2), 1320-1330. https://doi.org/10.1109/tia.2017.2778686

Permanent magnet (PM) vernier (PMV) machines have been extensively researched for direct-drive applications due to their inherently high torque density. This paper presents a quantitative investigation on fractional-slot concentrated winding PMV (FSC... Read More about Analysis of Fractional-Slot Concentrated Winding PM Vernier Machines With Regular Open-Slot Stators.

Advanced High Torque Density PM Vernier Machine With Multiple Working Harmonics (2017)
Journal Article
Zou, T., Li, D., Qu, R., Jiang, D., & Li, J. (2017). Advanced High Torque Density PM Vernier Machine With Multiple Working Harmonics. IEEE Transactions on Industry Applications, 53(6), 5295-5304. https://doi.org/10.1109/tia.2017.2724505

In recent years, permanent magnet (PM) vernier machines have gained more and more attention due to their high torque density and simple mechanical structure. However, PM vernier (PMV) machines with lap windings always suffer from long end winding len... Read More about Advanced High Torque Density PM Vernier Machine With Multiple Working Harmonics.

A Brushless Dual-Mechanical-Port Dual-Electrical-Port Machine With Spoke Array Magnets in Flux Modulator (2017)
Journal Article
Ren, X., Li, D., Qu, R., & Zou, T. (2017). A Brushless Dual-Mechanical-Port Dual-Electrical-Port Machine With Spoke Array Magnets in Flux Modulator. IEEE Transactions on Magnetics, 53(11), 1-6. https://doi.org/10.1109/tmag.2017.2705912

Brushless dual-mechanical-port dual-electrical-port (BLDD) permanent magnet (PM) machines have been gaining more and more attentions in recent years, with the merits of two decoupled rotors and contactless torque transmission. However, existing BLDD... Read More about A Brushless Dual-Mechanical-Port Dual-Electrical-Port Machine With Spoke Array Magnets in Flux Modulator.

Performance Comparison of Surface and Spoke-Type Flux-Modulation Machines With Different Pole Ratios (2017)
Journal Article
Zou, T., Li, D., Qu, R., & Jiang, D. (2017). Performance Comparison of Surface and Spoke-Type Flux-Modulation Machines With Different Pole Ratios. IEEE Transactions on Magnetics, 53(6), 1-5. https://doi.org/10.1109/tmag.2017.2662081

In this paper, performance comparison between surface and spoke-type flux modulation (FM) permanent magnet (PM) machines is presented. Generally, spoke-array magnet arrangement is capable of increasing the torque density of PM machines due to its flu... Read More about Performance Comparison of Surface and Spoke-Type Flux-Modulation Machines With Different Pole Ratios.

Analysis of a Dual-Rotor, Toroidal-Winding, Axial-Flux Vernier Permanent Magnet Machine (2017)
Journal Article
Zou, T., Li, D., Qu, R., Li, J., & Jiang, D. (2017). Analysis of a Dual-Rotor, Toroidal-Winding, Axial-Flux Vernier Permanent Magnet Machine. IEEE Transactions on Industry Applications, 53(3), 1920-1930. https://doi.org/10.1109/tia.2017.2657493

In this paper, a vernier permanent magnet (VPM) machine with dual-rotor toroidal-winding axial-flux topology is analyzed. Through the combination of toroidal windings with the rotor-stator-rotor topology, the end winding length of the proposed machin... Read More about Analysis of a Dual-Rotor, Toroidal-Winding, Axial-Flux Vernier Permanent Magnet Machine.

Analysis and design of a dual-rotor axial-flux vernier permanent magnet machine (2015)
Presentation / Conference Contribution
Zou, T., Qu, R., Li, J., & Li, D. (2015, September). Analysis and design of a dual-rotor axial-flux vernier permanent magnet machine. Presented at 2015 IEEE Energy Conversion Congress and Exposition (ECCE), Montreal, QC, Canada

This paper proposes a dual-rotor, toroidal-winding, axial-flux vernier permanent magnet (VPM) machine. By the combination of toroidal windings with the rotor-stator-rotor topology, the end winding length of the machine is significantly reduced when c... Read More about Analysis and design of a dual-rotor axial-flux vernier permanent magnet machine.

A consequent pole, dual rotor, axial flux vernier permanent magnet machine (2015)
Presentation / Conference Contribution
Zou, T., Qu, R., Li, J., Li, D., & Wu, L. (2015, March). A consequent pole, dual rotor, axial flux vernier permanent magnet machine. Presented at 2015 Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER), Monte Carlo, Monaco

A consequent pole, dual rotor, axial flux vernier permanent magnet (VPM) machine is developed to reduce magnet usage and increase torque density. Its end winding length is much shorter than that of regular VPM machines due to its toroidal winding con... Read More about A consequent pole, dual rotor, axial flux vernier permanent magnet machine.