The Investigation of Strategy to Suppress Thrust Fluctuations in Electromagnetic Halbach Coreless Linear Motor

IF 1.7 3区物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Applied Superconductivity Pub Date : 2024-10-28 DOI:10.1109/TASC.2024.3472471

Pingyuan Li;Chuan Liu;Baoxin Wang;Cong Li;Rui Zhan;Junfeng Peng;Zhentao Cheng;Lin Jiang

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Abstract

A newly designed electromagnetic Halbach-type coreless linear motor, developed independently, possesses advantages such as simple structure, flexible control, and high thrust density. However, factors like end effects, magnetic pole distribution, changes in normal attraction, and the influence of current harmonics can result in thrust fluctuations in this linear motor. In order to mitigate the impact of thrust fluctuations on the control of the linear motor, a speed/current dual-loop vector control strategy is employed to suppress the thrust fluctuations. In this study, a simulation model of the electromagnetic Halbach-type coreless linear motor with Halbach structure is established in the Ansys Maxwell 2D environment. External inverter circuits are constructed in Simplorer, and the vector control algorithm for the linear motor is implemented. The motor is subjected to co-simulation using Ansys Maxwell-Simplorer. Simulation results indicate that this approach effectively suppresses thrust fluctuations in the electromagnetic Halbach-type coreless linear motor.

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抑制电磁哈尔巴赫无芯直线电机推力波动策略的研究

自主研发的新型电磁哈尔巴赫式无铁芯直线电机具有结构简单、控制灵活、推力密度高等优点。然而，端面效应、磁极分布、法向吸引力变化以及电流谐波影响等因素都会导致该直线电机产生推力波动。为了减轻推力波动对直线电机控制的影响，采用了速度/电流双环矢量控制策略来抑制推力波动。本研究在 Ansys Maxwell 2D 环境中建立了具有 Halbach 结构的电磁 Halbach 型无铁芯直线电机的仿真模型。在 Simplorer 中构建了外部逆变电路，并实现了直线电机的矢量控制算法。使用 Ansys Maxwell-Simplorer 对电机进行了联合仿真。仿真结果表明，这种方法能有效抑制电磁 Halbach 型无铁芯直线电机的推力波动。

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来源期刊

IEEE Transactions on Applied Superconductivity 工程技术-工程：电子与电气

CiteScore

3.50

自引率

33.30%

发文量

650

审稿时长

2.3 months

期刊介绍： IEEE Transactions on Applied Superconductivity (TAS) contains articles on the applications of superconductivity and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Large scale applications include magnets for power applications such as motors and generators, for magnetic resonance, for accelerators, and cable applications such as power transmission.