Design and Analysis of Rotors-modulate Magnetic Gear

Li Kaiyuan; Zhu Zina; Wu Peng; Wu Di

doi:10.13433/j.cnki.1003-8728.20190254

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Li Kaiyuan, Zhu Zina, Wu Peng, Wu Di. Design and Analysis of Rotors-modulate Magnetic Gear[J]. Mechanical Science and Technology for Aerospace Engineering. doi: 10.13433/j.cnki.1003-8728.20190254

Citation:

Li Kaiyuan, Zhu Zina, Wu Peng, Wu Di. Design and Analysis of Rotors-modulate Magnetic Gear[J]. Mechanical Science and Technology for Aerospace Engineering. doi: 10.13433/j.cnki.1003-8728.20190254

Li Kaiyuan, Zhu Zina, Wu Peng, Wu Di. Design and Analysis of Rotors-modulate Magnetic Gear[J]. Mechanical Science and Technology for Aerospace Engineering. doi: 10.13433/j.cnki.1003-8728.20190254

Citation:

Li Kaiyuan, Zhu Zina, Wu Peng, Wu Di. Design and Analysis of Rotors-modulate Magnetic Gear[J]. Mechanical Science and Technology for Aerospace Engineering. doi: 10.13433/j.cnki.1003-8728.20190254

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Design and Analysis of Rotors-modulate Magnetic Gear

doi: 10.13433/j.cnki.1003-8728.20190254

School of Mechanical and Automotive Engineering, Shanghai University of Engineering and Science, Shanghai 201620, China

Received Date: 2019-03-10
Available Online: 2020-12-29

Abstract

Abstract

Aiming at the shortcoming that the permanent magnets would be broken in rotors when magnetic gear is working at high speed condition, a rotor-modulate magnetic gear without permanent magnet in rotors is proposed. According to the principle of magnetic field modulation, the relationship between input and output torque and air gap magnetic field is established. The torque transmission capacity is analyzed by 2D FEM. The parametric scanning is used to optimization analysis of different combinations of rotor size parameters to obtain the output torque, the reasons for the influence of rotor size parameters on the output torque are then explored. The simulation result shows that the output torque has a direct relationship with the size parameters of rotor. An optimal size will make the output torque reach the maximum value. After optimization, the output torque increases by 81.2%, and the low-speed rotor size has the greatest influence on the output torque. Finally, the harmonic analysis of the magnetic density in the air gap is carried out. The results show that the main harmonics change before and after the optimization are consistent with the torque variation, and the validity of the design and analysis of the rotor modulate magnetic gear is verified.
- rotors modulate magnetic gear,
- 2D FEM,
- parameter optimization,
- harmonic analysis

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References(13)

References

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