Comparative Study of High Torque Density Spoke-Type PM In-Wheel Motors for Special Vehicle Traction Applications

Hua, Yuntao; Wang, Chen; Liu, Ye; Zhang, Zhuoran; Kong, Xiangping; Han, Jianda

doi:10.1109/tia.2022.3141698

Cited by 21 publications

(5 citation statements)

References 28 publications

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“…The d -axis and q -axis inductances are important parameters for PM machines, having a close relationship with electromagnetic torque and flux-weakening capability. The d -axis inductance L d of the spoke-type PM consists of the d -axis magnetizing inductance L md and leakage inductance L σ , it can be followed by Hua et al (2022): …”

Section: Design Requirements Of Special Operating Conditionmentioning

confidence: 99%

Multi-objective optimization of high torque density spoke-type PM machine for special vehicle drive system

Xu¹,

Wang

2022

COMPEL

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Purpose This paper proposes a spoke-type fractional-slot concentrated windings (FSCW) permanent magnet (PM) machine for special vehicle driving systems to obtain higher torque and power density, high efficiency and wide field-weakening range. To enhance the efficiencies of multi-objective optimization processes, the respond surface (RS) method and black-hole (BH) algorithm are used. Design/methodology/approach The spoke-type FSCW PM machine is optimized to meet the requirements of the special vehicle driving system. The combination of the RS and BH algorithm is used to obtain high torque, low torque ripple and high efficiency. Findings The optimal spoke-type PM machine is obtained, and it has higher torque density, lower torque ripple, cogging torque and wider magnetic field weakening range. Finally, a 15-kW prototype machine is fabricated and tested to verify the results of the optimization method and finite-element analysis. Originality/value This paper designs a high torque density and efficiency spoke-type FSCW PM machine, which is superior for special vehicle driving systems. Meanwhile, the RS model combined with BH algorithm is applied to the field of electrical machine multi-objective optimal design.

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Section: Design Requirements Of Special Operating Conditionmentioning

confidence: 99%

Multi-objective optimization of high torque density spoke-type PM machine for special vehicle drive system

Xu¹,

Wang

2022

COMPEL

Self Cite

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“…The motor in the electromechanical system is coupled with the mechanical device, so the movement of the motor and the mechanical part occurs simultaneously and affects each other. When studying electromechanical systems, it is necessary to consider the interaction between electromagnetic field equations and mechanical motion equations to obtain accurate results [1][2][3][4] .…”

Section: Introductionmentioning

confidence: 99%

Comparison and analysis of starting performance of PMSM with different rotor structures

Wang,

Tian,

et al. 2024

J. Phys.: Conf. Ser.

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In this paper, the electromagnetic fields of PMSM with four different rotor structures are analyzed by the finite element method, and the distribution of magnetic field lines is compared. Then the asynchronous starting process of PMSM is studied. The starting process of four kinds of permanent magnet synchronous motors with no load and load is simulated and analyzed, and the characteristics of speed, torque, and phase current are obtained. These studies can provide references for the starting design of permanent magnet synchronous motors in practical applications. Therefore, a more reliable and efficient motor starting process is realized, which provides a basis for further structural design of permanent magnet synchronous motor.

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“…However, PMSM still has some problems, such as heat dissipation problems, excessive rotor inertia, high maintenance costs, and so on. Therefore, to further improve the performance and efficiency of PMSM, it is particularly important to improve the rotor structure of the permanent magnet synchronous motor [1][2][3][4] . In Figure 1, PMSM generates losses when operating under load, which mainly include the following aspects: stator copper loss Cu P , stator iron loss Fe P , mechanical loss fw P , and stray loss  P .…”

Section: Introductionmentioning

confidence: 99%

Comparison and analysis of power and torque performance of PMSM with different rotor structures

Wang,

Tian,

et al. 2024

J. Phys.: Conf. Ser.

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In this paper, according to the double reaction principle of permanent magnet synchronous motor (PMSM), the power, torque, and power angle characteristics are derived theoretically. Four motor models of tangential type, radial type, V-type, and U-type PMSM are established by finite element software. The magnetic flux density of the motor is analyzed in detail. At the same time, performance indicators such as efficiency, power factor, and air gap power of permanent magnet synchronous motors were calculated and evaluated, further improving the accuracy and credibility of the research. Based on the comparative study of the analysis results, the advantages and disadvantages of electromagnetic performance corresponding to different rotor structures are obtained, providing the design basis of PMSM.

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Comparative Study of High Torque Density Spoke-Type PM In-Wheel Motors for Special Vehicle Traction Applications

Cited by 21 publications

References 28 publications

Multi-objective optimization of high torque density spoke-type PM machine for special vehicle drive system

Multi-objective optimization of high torque density spoke-type PM machine for special vehicle drive system

Comparison and analysis of starting performance of PMSM with different rotor structures

Comparison and analysis of power and torque performance of PMSM with different rotor structures

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