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Suspension Force-Coupling Analysis of Flux-Reversal Bearingless Slice Motor Based on Advanced Magnetic Field Model (2024)
Journal Article

Flux-reversal bearingless slice motor with direct suspension current (DC-FRBLM) is a novel slice bearingless motor. The robust rotor structure of the DC-FRBLM brings benefits including high compactness and ease of manufacturing. However, the disparat... Read More about Suspension Force-Coupling Analysis of Flux-Reversal Bearingless Slice Motor Based on Advanced Magnetic Field Model.

A Computationally Efficient Semi-Analytical Method for Circulating Current Loss of High Speed Permanent Magnet Machines (2023)
Journal Article

This article proposes a computationally efficient (CE) semi-analytical method for winding power loss calculation of high speed permanent magnet machines induced by circulating current. It combines a CE magnetostatic finite element method (FEM) for ra... Read More about A Computationally Efficient Semi-Analytical Method for Circulating Current Loss of High Speed Permanent Magnet Machines.

Synthesis of Consequent Pole Vernier Permanent Magnet Machine Based on Oscillating Magnetic Potential Difference Model (2023)
Journal Article

In recent years, consequent pole vernier permanent magnet machine (CPVPMM) has been found higher torque capability and less magnet usage compared to the surface-mounted counterpart i.e. SVPMM, thus attracting extensive interests. Meanwhile, the theor... Read More about Synthesis of Consequent Pole Vernier Permanent Magnet Machine Based on Oscillating Magnetic Potential Difference Model.

Additively Manufactured Winding Design for Thermal Improvement of an Oil-cooled Axial Flux Permanent Magnet Machine (2023)
Journal Article

This article proposes a new additively manufactured winding with integrated heat sinks to improve thermal performance of an oil-cooled yokeless and segmented armature (YASA) axial flux permanent magnet machines. The heat sinks featuring pin-fin struc... Read More about Additively Manufactured Winding Design for Thermal Improvement of an Oil-cooled Axial Flux Permanent Magnet Machine.

Design Trade-off Between Torque Density and Power Factor in Surface-Mounted PM Vernier Machines Through Closed-Form Per-Unit Equations (2023)
Journal Article

Benefited from flux modulation effects, surface-mounted permanent magnet vernier machines (SPMVMs) present the high-torque low-speed properties, which can become the potential candidates for direct-drive applications. However, their power factor is i... Read More about Design Trade-off Between Torque Density and Power Factor in Surface-Mounted PM Vernier Machines Through Closed-Form Per-Unit Equations.

Comparison of AC Losses in the Winding of Electrical Machines with Fixed Strands Positions, Fixed Conductor Shapes and Random Winding (2022)
Journal Article

In high performance electric machines, the increase of fundamental frequency leads to additional losses in the winding due to parasitic effects such as the associated skin and proximity effects. In the first part, this paper presents an investigation... Read More about Comparison of AC Losses in the Winding of Electrical Machines with Fixed Strands Positions, Fixed Conductor Shapes and Random Winding.

Convective Heat Transfer Characteristics on End-Winding of Stator Immersed Oil-Cooled Electrical Machines for Aerospace Applications (2022)
Journal Article

The stator immersed oil cooling has emerged as a promising thermal management method for high power density electric machines applied in aerospace applications. However, due to the complex geometry of end-winding, the research on the convective heat... Read More about Convective Heat Transfer Characteristics on End-Winding of Stator Immersed Oil-Cooled Electrical Machines for Aerospace Applications.

A Comprehensive Design Guideline of Hairpin Windings for High Power Density Electric Vehicle Traction Motors (2022)
Journal Article

The rapidly increasing demand on power density levels of electric vehicle (EV) drive systems is pushing the boundaries of traction motor performance. Hairpin windings are becoming a popular option for EV motors due to their reduced DC losses and impr... Read More about A Comprehensive Design Guideline of Hairpin Windings for High Power Density Electric Vehicle Traction Motors.

Torque Performance Enhancement of Flux-Switching Permanent Magnet Machines With Dual Sets of Magnet Arrangements (2021)
Journal Article

Torque performance, especially torque density, is a critical performance index for the flux-switching permanent magnet (FSPM) machine that is attractive for the propulsion system. In this article, a novel FSPM machine with dual sets of magnet arrange... Read More about Torque Performance Enhancement of Flux-Switching Permanent Magnet Machines With Dual Sets of Magnet Arrangements.

Flexible Energy Conversion Control Strategy for Brushless Dual-Mechanical-Port Dual-Electrical-Port Machine in Hybrid Vehicles (2018)
Journal Article

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.