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Thrust ripple reduction method of inner magnet linear synchronous motor
2017 11th International Symposium on Linear Drives for Industry Applications (LDIA), 2017A thrust ripple reduction method for a permanent magnet linear synchronous motor is introduced. The mover consisting of a magnet, a ferromagnetic plate, and a back yoke is divided into three parts in the stacking direction. Each part is spatially displaced in the moving direction.
Haruka Hirano +2 more
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Fuel Cells Bulletin
The Double-Sided Flux Switching Permanent Magnet Linear Motor (DLFSPM) is being increasingly and extensively employed in various fields due to its merits of high efficiency and high power density.
Wei Du +3 more
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The Double-Sided Flux Switching Permanent Magnet Linear Motor (DLFSPM) is being increasingly and extensively employed in various fields due to its merits of high efficiency and high power density.
Wei Du +3 more
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Thrust ripple reduction of linear induction motor with direct torque control
2005 International Conference on Electrical Machines and Systems, 2005This paper expresses a proposal of control method to reduce thrust ripple of linear induction motors (LIMs). Today, LIMs spread out in the field of transportation and an industrial field. For instance, they are used for a subway and a propulsive engine of an elevator. High efficiency control is demanded from these fields.
K. Itoh, H. Kubota
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IEEE Transactions on Transportation Electrification
The linear motor-driven Maglev train has the advantages of high operation speed, high efficiency, safety, and comfort. Indicators such as thrust ripple and force density of the linear motor are crucial and affect the dynamics of the train.
Jun Luo +5 more
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The linear motor-driven Maglev train has the advantages of high operation speed, high efficiency, safety, and comfort. Indicators such as thrust ripple and force density of the linear motor are crucial and affect the dynamics of the train.
Jun Luo +5 more
semanticscholar +1 more source
Applied Mechanics and Materials, 2013
In order to achieve high thrust density and low thrust ripple simultaneously, a multiobjective optimization design method is applied to ironless permanent magnet linear synchronous motor with non-overlapping windings. On the basis of the magnetic field analysis model, the analytical formulae of key parameters such as No-load back EMF, thrust per copper
Li Yi Li, Yong Bin Tang, Jia Xi Liu
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In order to achieve high thrust density and low thrust ripple simultaneously, a multiobjective optimization design method is applied to ironless permanent magnet linear synchronous motor with non-overlapping windings. On the basis of the magnetic field analysis model, the analytical formulae of key parameters such as No-load back EMF, thrust per copper
Li Yi Li, Yong Bin Tang, Jia Xi Liu
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2025 15th International Symposium on Linear Drivers for Industry Applications (LDIA)
This paper proposes an arc-shaped mover pole design for spoke-type permanent-magnet linear synchronous machines (STPMLSMs) to reduce detent force and thrust ripple.
Jong-Seok Seon +2 more
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This paper proposes an arc-shaped mover pole design for spoke-type permanent-magnet linear synchronous machines (STPMLSMs) to reduce detent force and thrust ripple.
Jong-Seok Seon +2 more
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2017 IEEE International Electric Machines and Drives Conference (IEMDC), 2017
This paper introduces a novel linear vernier permanent magnet machine (H-LVPMM) with high force density and low force ripple. The permanent magnets (PMs) on secondary uses Halbach array, which can provide a larger flux density in the air gap than that of the conventional surface-mounted PMs configurations, and the primary is composed of three modules ...
Yongsheng Huo +4 more
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This paper introduces a novel linear vernier permanent magnet machine (H-LVPMM) with high force density and low force ripple. The permanent magnets (PMs) on secondary uses Halbach array, which can provide a larger flux density in the air gap than that of the conventional surface-mounted PMs configurations, and the primary is composed of three modules ...
Yongsheng Huo +4 more
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2025 15th International Symposium on Linear Drivers for Industry Applications (LDIA)
This paper proposes an asymmetric mover structure designed to reduce detent force and thrust ripple in spoke-type permanent magnet linear synchronous machines (PMLSMs).
Hyeon-Taek Oh +2 more
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This paper proposes an asymmetric mover structure designed to reduce detent force and thrust ripple in spoke-type permanent magnet linear synchronous machines (PMLSMs).
Hyeon-Taek Oh +2 more
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Thrust ripple optimization and experiment for a permanent magnet linear synchronous motor
Frontiers of Electrical and Electronic Engineering in China, 2006Thrust ripple such as end force, slot force and normal force are key factors that affect the properties of permanent magnet linear synchronous motors (PMLSM). According to different mechanics and analytical models, end force resulting from open magnetic circuit of PMLSM was greatly decreased by optimizing the length of the PMLSM mover.
Yue-tong Xu, Jian-zhong Fu, Zi-chen Chen
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2025 15th International Symposium on Linear Drivers for Industry Applications (LDIA)
In permanent magnet linear synchronous machines (PMLSMs), the end effect inevitably gives rise to disturbances such as the detent force. These disturbances introduce additional thrust ripples, thereby degrading the overall control precision and stability.
Ziyu Zou, Qinfen Lu, Yanxin Li
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In permanent magnet linear synchronous machines (PMLSMs), the end effect inevitably gives rise to disturbances such as the detent force. These disturbances introduce additional thrust ripples, thereby degrading the overall control precision and stability.
Ziyu Zou, Qinfen Lu, Yanxin Li
semanticscholar +1 more source