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Research on Detent Force Characteristics of a Linear Flux-Switching Permanent-Magnet Motor
IEEE transactions on energy conversion, 2021Linear flux-switching permanent-magnet (LFSPM) motors have been proposed for electromagnetic launch system (EMLS). Benefiting from the permanent magnet (PM) settled on the long double-sided primary and the yokeless secondary, the proposed structure has ...
R. Cao, Danni Shen, W. Hua
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Methods of detent force reduction in linear synchronous motors
IEEE International Electric Machines and Drives Conference. IEMDC'99. Proceedings (Cat. No.99EX272), 2003The thrust force characteristic of a permanent magnet linear synchronous motor consists of a combination of three independent forces. One of these forces, the detent force, has an adverse effect on the performance of a linear synchronous motor. There are various methods to reduce the detent force. Finite element methods are used to assess the different
C.G. Jeans, R.J. Cruise, C.F. Landy
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Detent force analysis and suppression of electrical shock absorber
2008 IEEE Vehicle Power and Propulsion Conference, 2008Kinetic energy of a vibrating object in vehicles is normally absorbed in a form of thermal energy by mechanical dampers and other facilities. So the energy of the vibration is consumed wastefully. Using electrical shock absorber, energy of the vibration is converted into electrical energy.
null Baoquan Kou +3 more
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IEEE Transactions on Transportation Electrification
Double-sided linear motors often encounter significant detent forces. To address this issue, a double-sided asymmetric primary staggered tooth permanent magnet linear synchronous motor (DSAPST-PMLSM) is proposed to suppress detent forces.
Peng Guo +3 more
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Double-sided linear motors often encounter significant detent forces. To address this issue, a double-sided asymmetric primary staggered tooth permanent magnet linear synchronous motor (DSAPST-PMLSM) is proposed to suppress detent forces.
Peng Guo +3 more
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IEEE transactions on energy conversion, 2021
For permanent magnet linear synchronous motor (PMLSM), the end effect not only changes the distribution of the end magnetic field, but also causes the pulsating magnetic field in the air gap between the primary and the secondary components. In this paper,
Qiang Tan +3 more
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For permanent magnet linear synchronous motor (PMLSM), the end effect not only changes the distribution of the end magnetic field, but also causes the pulsating magnetic field in the air gap between the primary and the secondary components. In this paper,
Qiang Tan +3 more
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2025 15th International Symposium on Linear Drivers for Industry Applications (LDIA)
This paper proposes a novel approach to mitigate detent force and thrust ripple in permanent magnet linear synchronous motors (PMLSMs) by integrating end compensation coils and employing injected current control.
Junren Mu +4 more
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This paper proposes a novel approach to mitigate detent force and thrust ripple in permanent magnet linear synchronous motors (PMLSMs) by integrating end compensation coils and employing injected current control.
Junren Mu +4 more
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2021 13th International Symposium on Linear Drives for Industry Applications (LDIA), 2021
Single-phase permanent magnet linear oscillation actuators (SP-PMLOA) have been paid extensive attention in the field of compressors and industry applications.
Hongbin Zhang +6 more
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Single-phase permanent magnet linear oscillation actuators (SP-PMLOA) have been paid extensive attention in the field of compressors and industry applications.
Hongbin Zhang +6 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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International Conference on Electrical Machines and Systems
The detent force of permanent magnet linear machine (PMLM) is the main reason causing thrust ripple. To solve this problem, a detent force suppression strategy based on a third-order extended state observer (ESO) is proposed in this paper.
Jiawei Chai +4 more
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The detent force of permanent magnet linear machine (PMLM) is the main reason causing thrust ripple. To solve this problem, a detent force suppression strategy based on a third-order extended state observer (ESO) is proposed in this paper.
Jiawei Chai +4 more
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IEEE transactions on energy conversion
Aimed at achieving low detent force and minimal permanent magnet usage, this paper discusses a novel design of a Primary Modular Twice Offset Alternating Pole Permanent Magnet Linear Motor (PMTO-APPMLM).
Wenyuan Yan +5 more
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Aimed at achieving low detent force and minimal permanent magnet usage, this paper discusses a novel design of a Primary Modular Twice Offset Alternating Pole Permanent Magnet Linear Motor (PMTO-APPMLM).
Wenyuan Yan +5 more
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