Shuangxia Niu
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View article: Translation of Electric Vehicle Research into Education
Translation of Electric Vehicle Research into Education Open
Electric vehicles (EVs) are one of the most important technological innovations that can save the environment. Over the years, there has been substantial EV research, which has been successfully transformed into EV products, leading to the…
View article: Critical Review of Direct-Drive In-Wheel Motors in Electric Vehicles
Critical Review of Direct-Drive In-Wheel Motors in Electric Vehicles Open
The primary challenge for electric vehicles in replacing oil-fueled vehicles today is their limited range, despite significant advancements in energy storage technology and alternative fuel vehicles over the past few decades. Direct-drive …
View article: Graduate Degree in Electric Vehicles—A Timely Programme for Modern Society
Graduate Degree in Electric Vehicles—A Timely Programme for Modern Society Open
A new graduate degree programme, Master of Science in Electric Vehicles (MScEV), for engineering students is presented, which is timely and vital for modern society. The purpose of this programme is to provide graduate students with up-to-…
View article: Modelling of negative equivalent magnetic reluctance structure and its application in weak-coupling wireless power transmission
Modelling of negative equivalent magnetic reluctance structure and its application in weak-coupling wireless power transmission Open
In weak-coupling wireless power transmission, increasing operating frequency, and incorporating metamaterials, resonance structures or ferrite cores have been explored as effective solutions to enhance power efficiency. However, these solu…
View article: Automated Fruit Sorting in Smart Agriculture System: Analysis of Deep Learning-based Algorithms
Automated Fruit Sorting in Smart Agriculture System: Analysis of Deep Learning-based Algorithms Open
Automated fruit sorting plays a crucial role in smart agriculture, enabling efficient and accurate classification of fruits based on various quality parameters. Traditionally, rule-based and machine-learning methods have been employed for …
View article: Pole-wrapped negative equivalent magnetic reluctance structure-based transformer for line-frequency isolation-dependent applications
Pole-wrapped negative equivalent magnetic reluctance structure-based transformer for line-frequency isolation-dependent applications Open
View article: Cascaded Deep Neural Network Based Adaptive Precoding for Distributed Massive MIMO Systems
Cascaded Deep Neural Network Based Adaptive Precoding for Distributed Massive MIMO Systems Open
In time-division duplex (TDD) distributed large-scale multiple input multiple output (DM-MIMO) systems, the traditional downlink channel precoding method is used to resist inter-user interference (IUI). However, when the Channel State Info…
View article: Efficiency-enhanced DC-excited Vernier reluctance machine with reduced excitation coils for electric vehicles
Efficiency-enhanced DC-excited Vernier reluctance machine with reduced excitation coils for electric vehicles Open
View article: A Novel Brushless PM-Assisted DC Motor with Compound-Excited Circular Winding
A Novel Brushless PM-Assisted DC Motor with Compound-Excited Circular Winding Open
A novel compound-excited brushless DC motor with polygonal circular winding is proposed in this paper. The key is that DC excitation is effectively coupled with PM excitation, significantly improving the torque density per PM volume and im…
View article: Comparative Analysis of Consequent-Pole Flux-Switching Machines with Different Permanent Magnet Arrangements for Outer-Rotor In-Wheel Direct-Drive Applications
Comparative Analysis of Consequent-Pole Flux-Switching Machines with Different Permanent Magnet Arrangements for Outer-Rotor In-Wheel Direct-Drive Applications Open
Recently, the interest in consequent-pole flux-switching permanent magnet (CP-FSPM) machines has been increasing because of the flux-focusing PM arrangements and the removal of the flux-barrier effect. A simple and rigid outer-rotor salien…
View article: An Enhanced Axial-Flux Magnetic-Geared Machine with Dual-Winding Design for Electric Vehicle Applications
An Enhanced Axial-Flux Magnetic-Geared Machine with Dual-Winding Design for Electric Vehicle Applications Open
Axial-flux magnetic-geared machine (MGM) is a promising solution for electric vehicle applications for combining the virtues of both axial-flux electric machine and magnetic gear. However, generalized MGMs are limited by the torque density…
View article: An Efficient and High-Precision Electromagnetic–Thermal Bidirectional Coupling Reduced-Order Solution Model for Permanent Magnet Synchronous Motors
An Efficient and High-Precision Electromagnetic–Thermal Bidirectional Coupling Reduced-Order Solution Model for Permanent Magnet Synchronous Motors Open
The traditional electromagnetic–thermal bidirectional coupling model (EMTBCM) of permanent magnet synchronous motors (PMSMs) requires a long time to solve, and the temperature-induced torque change is not accounted for in the finite elemen…
View article: Improved startup control of aero doubly salient electromagnetic starter generator based on optimised currents distribution with advanced angle commutation
Improved startup control of aero doubly salient electromagnetic starter generator based on optimised currents distribution with advanced angle commutation Open
Doubly salient electromagnetic machine (DSEM) can constitute a competitive rugged starter generator (SG) system. But under the traditional startup control method, the field current is set to the rated value regardless of speed or load torq…
View article: A Torque-Enhanced Magnetic-Geared Machine with Dual-Series-Winding and Its Design Approach for Electric Vehicle Powertrain
A Torque-Enhanced Magnetic-Geared Machine with Dual-Series-Winding and Its Design Approach for Electric Vehicle Powertrain Open
Magnetic gear and magnetic-geared machine (MGM) are the potential solutions in electric vehicles (EVs) powertrains for inherent high efficiency and mechanical simplification. However, the torque density issue of the MGM greatly limits its …
View article: Novel Mechanical Flux-Weakening Design of a Spoke-Type Permanent Magnet Generator for Stand-Alone Power Supply
Novel Mechanical Flux-Weakening Design of a Spoke-Type Permanent Magnet Generator for Stand-Alone Power Supply Open
In this paper, a novel mechanical flux-weakening design of a spoke-type permanent magnet generator for a stand-alone power supply is proposed. By controlling the position of the adjustable modulator ring mechanically, the total induced vol…
View article: Recent Advances in Multi-Phase Electric Drives Model Predictive Control in Renewable Energy Application: A State-of-the-Art Review
Recent Advances in Multi-Phase Electric Drives Model Predictive Control in Renewable Energy Application: A State-of-the-Art Review Open
Model predictive control (MPC) technology for multi-phase electric drives has received increasing attention in modern industries, especially in electric vehicles, marine electrical propulsion, and wind power generation. However, MPC has se…
View article: Multi-Objective Optimization Strategy for Permanent Magnet Synchronous Motor Based on Combined Surrogate Model and Optimization Algorithm
Multi-Objective Optimization Strategy for Permanent Magnet Synchronous Motor Based on Combined Surrogate Model and Optimization Algorithm Open
When a permanent magnet synchronous motor (PMSM) is designed according to the traditional motor design theory, the performance of the motor is often challenging to achieve the desired goal, and further optimization of the motor design para…
View article: Design Optimization and Comparative Study of a Novel Halbach Permanent Magnet Vernier Machine with Alternate Flux Bridge
Design Optimization and Comparative Study of a Novel Halbach Permanent Magnet Vernier Machine with Alternate Flux Bridge Open
The purpose of this paper is to investigate the effect of the alternate flux bridge combining Halbach array in Vernier machines. The key novelty is that integrated with the Halbach array PM, the alternate flux bridge design can not only pr…
View article: Tangential Electromagnetic Force Array on the Vibration and Noise of Electric Axle for New Energy Vehicle
Tangential Electromagnetic Force Array on the Vibration and Noise of Electric Axle for New Energy Vehicle Open
It is generally accepted that the vibration and noise of electrical motors mainly depend on radial electromagnetic forces. However, the relationship between electromagnetic forces and system modes becomes special when integrating the elect…
View article: Cogging Torque Minimization of Surface-Mounted Permanent Magnet Synchronous Motor Based on RSM and NSGA-II
Cogging Torque Minimization of Surface-Mounted Permanent Magnet Synchronous Motor Based on RSM and NSGA-II Open
A high-end permanent magnet (PM) synchronous motor’s cogging torque is a significant performance measure (PMSM). During the running of the motor, excessive cogging torque will amplify noise and vibration. Therefore, the cogging torque must…
View article: Underwater Wireless Charging System of Unmanned Surface Vehicles with High Power, Large Misalignment Tolerance and Light Weight: Analysis, Design and Optimization
Underwater Wireless Charging System of Unmanned Surface Vehicles with High Power, Large Misalignment Tolerance and Light Weight: Analysis, Design and Optimization Open
Wireless charging systems (WCSs) are considered very appropriate to recharge underwater surface vehicles (USVs) due to their safe, flexible, and cost-effective characteristics. The small depth of immersion of USVs allows a WCS operated at …
View article: A General Pattern-Based Design Optimization for Asymmetric Spoke-Type Interior PM Machines
A General Pattern-Based Design Optimization for Asymmetric Spoke-Type Interior PM Machines Open
A novel asymmetric spoke-type interior permanent magnet (AS-IPM) machine is proposed in this paper. It utilizes the magnetic-field-shifting (MFS) effect to improve the torque performance, which achieves a high utilization ratio of both per…
View article: Hybrid Reluctance Machine with Skewed Permanent Magnets and Zero-Sequence Current Excitation
Hybrid Reluctance Machine with Skewed Permanent Magnets and Zero-Sequence Current Excitation Open
The reluctance machine is a potential candidate for electrical vehicle propulsion because of its reliable structure, low cost, flexible flux regulation ability, and wide speed range. However, the torque density is unsatisfactory because of…
View article: Optimal Design of Asymmetric Rotor Pole for Interior Permanent Magnet Synchronous Motor Using Topology Optimization
Optimal Design of Asymmetric Rotor Pole for Interior Permanent Magnet Synchronous Motor Using Topology Optimization Open
As asymmetric interior permanent magnet synchronous motor (AIPMSM) has excellent performance but complicated topological structure, a novel high-resolution encoding and edge smoothing method is proposed for topology optimization of the asy…
View article: Physics-Informed Generative Adversarial Network-Based Modeling and Simulation of Linear Electric Machines
Physics-Informed Generative Adversarial Network-Based Modeling and Simulation of Linear Electric Machines Open
The demand for fast magnetic field approximation for the optimal design of electromagnetic devices is urgent nowadays. However, due to the lack of a publicly available dataset and the unclear definition of each parameter in the magnetic fi…
View article: From lab to practical: An ammonia-powered fuel cell electric golf cart system
From lab to practical: An ammonia-powered fuel cell electric golf cart system Open
View article: A super-sensitive metal object detection method for DD-coil-engaged wireless EV chargers by passive electromagnetic sensing
A super-sensitive metal object detection method for DD-coil-engaged wireless EV chargers by passive electromagnetic sensing Open
View article: Design and optimization of yokeless magnetic gear with asymmetric Halbach permanent magnet array for electric vehicle powertrain
Design and optimization of yokeless magnetic gear with asymmetric Halbach permanent magnet array for electric vehicle powertrain Open
In this paper, a novel 3/27/24 (pole pairs of inner rotor permanent magnet [PM]s/modulator/outer rotor PMs) high torque density yokeless magnetic gear with asymmetric Halbach PM array is presented and optimized for electric vehicle powertr…
View article: Advances in Thermal Management Technologies of Electrical Machines
Advances in Thermal Management Technologies of Electrical Machines Open
Given the fact that the operation of electrical machines generates various loss components that finally become heat, developing advanced thermal management technologies is essential to control temperature increases and to guarantee safe op…
View article: Demagnetization Fault Detection and Location in PMSM Based on Correlation Coefficient of Branch Current Signals
Demagnetization Fault Detection and Location in PMSM Based on Correlation Coefficient of Branch Current Signals Open
To address such challenges as an uncertain number of demagnetization poles of the permanent magnet synchronous motor (PMSM) and cases in which the fault cannot be located, this paper proposes a fault identification and location methodology…