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Relevant bibliographies by topics / Linear Moving Magnet Synchronous Motor (LMMSM)

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Journal articles
Dissertations / Theses
Book chapters
Conference papers

Academic literature on the topic 'Linear Moving Magnet Synchronous Motor (LMMSM)'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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Journal articles on the topic "Linear Moving Magnet Synchronous Motor (LMMSM)"

1

Shen, Zhi Gang, Qing Wang, Qing Jie Sun, and Hong Xing Wu. "Cogging Force Analysis of Moving Magnet Type Permanent Magnet Synchronous Linear Servo Motor." Applied Mechanics and Materials 741 (March 2015): 663–68. http://dx.doi.org/10.4028/www.scientific.net/amm.741.663.

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Linear motor eliminates the middle part of mechanical drive train, but because of structural characteristics of itself, must to take effective measures to reduce thrust fluctuations, or direct drive will lost its original meaning. In this paper, firstly research on detent force of moving magnet type permanent magnet synchronous linear servo motor and analyze the principle of generate detent force, secondly analyze the cogging force of moving magnet type permanent magnet synchronous linear motor and obtain the expression of cogging force maximum value, finally propose effective method to reduce detent force.

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2

Ding, Hao, and Liang Guo. "Characteristic Analysis of Moving Magnet Type Double-Sided Linear Synchronous Motor." Applied Mechanics and Materials 416-417 (September 2013): 82–86. http://dx.doi.org/10.4028/www.scientific.net/amm.416-417.82.

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Compared with double-sided permanent magnet linear synchronous motors (DPMLSM) with long secondary, the short secondary construction also has advantages of high dynamic performance and stable thrust, and is more suitable for the aspect of long-term acceleration. In this paper, magnetic field and characteristic of two different moving-magnet-type double-sided linear synchronous motors were analyzed by using 2D finite element method (FEM). The internal and external permanent magnet motor constructions with the same NdFeB and windings were compared according to flux density and electrical force. It was inferred that internal PM motors can provide the same force with lighter secondary weight and faster response speed.

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3

Chi, Song, Jianhu Yan, Liang Shan, and Pan Wang. "Detent Force Minimizing for Moving-Magnet-Type Linear Synchronous Motor." IEEE Transactions on Magnetics 55, no. 6 (2019): 1–5. http://dx.doi.org/10.1109/tmag.2019.2895696.

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4

Kou, Bao Quan, Lu Zhang, Bin Chao Zhao, and Chao Ning Zhang. "Analysis and Optimization of a Linear Synchronous Motor with Novel Halbach Magnet Array." Applied Mechanics and Materials 416-417 (September 2013): 104–8. http://dx.doi.org/10.4028/www.scientific.net/amm.416-417.104.

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This paper concerns the analysis and optimization of a permanent magnet linear synchronous motor. The motor consists of moving ironless coils and a stator with novel double-side Halbach array. Some characteristics of the linear motor were investigated. The dimensions of the novel Halbach magnet array were optimized. The optimization was verified by finite element method.

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5

Jung, Sang-Yong, Ho-Yong Choi, Hyun-Kyo Jung, and Song-Yop Hahn. "Phase unbalance compensation in moving-coil type permanent magnet linear synchronous motor." International Journal of Applied Electromagnetics and Mechanics 19, no. 1-4 (2004): 213–18. http://dx.doi.org/10.3233/jae-2004-565.

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6

Sato, K. "Thrust Ripple Reduction in Ultrahigh-Acceleration Moving-Permanent-Magnet Linear Synchronous Motor." IEEE Transactions on Magnetics 48, no. 12 (2012): 4866–73. http://dx.doi.org/10.1109/tmag.2012.2204763.

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7

Sato, Kaiji, Masato Katori, and Akira Shimokohbe. "Ultrahigh-Acceleration Moving-Permanent-Magnet Linear Synchronous Motor With a Long Working Range." IEEE/ASME Transactions on Mechatronics 18, no. 1 (2013): 307–15. http://dx.doi.org/10.1109/tmech.2011.2174374.

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8

Hao, Xiaohong, Penghu Xing, and Lin Bai. "Design and analysis of moving magnet synchronous surface motor with linear halbach array." Procedia Engineering 16 (2011): 108–18. http://dx.doi.org/10.1016/j.proeng.2011.08.1059.

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9

Kwak, M. S., and S. K. Sul. "A New Method of Partial Excitation for Dual Moving Magnet Linear Synchronous Motor." IEEE Transactions on Industry Applications 40, no. 2 (2004): 499–505. http://dx.doi.org/10.1109/tia.2004.824488.

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10

Zhang, Tuanshan, and Xuesong Mei. "Inductance Analysis of Two-Phase Winding Segmented Permanent Magnet Linear Synchronous Motor." Symmetry 14, no. 6 (2022): 1180. http://dx.doi.org/10.3390/sym14061180.

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The inductance of a winding segmented permanent magnet linear synchronous motor (WS-PMLSM) is affected by winding disconnection and coupling length variation, which makes the variation of inductance more complicated, and this paper proposes incremental inductance, apparent inductance, and positional inductance to reveal this phenomenon, which gives a theoretical basis for mathematical modeling and thrust fluctuation suppression. First, an analytical approach is used to derive a fully coupled state model using the magnetomotive force and specific permeability function. Second, the domain of the specific permeability function is extended and the inductance expressions are calculated for the whole moving range. Finally, the inductance of the prototype WS-PMLSM with a two-phase winding is experimentally verified, and it is proposed that the effects of the three inductive components on the system should be considered comprehensively when implementing control of the WS-PMLSM.

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Dissertations / Theses on the topic "Linear Moving Magnet Synchronous Motor (LMMSM)"

1

Gour, Abhay Singh. "Design And Development of Linear Moving Magnet Synchronous Motor Based Twin PTC And HTS Level Sensor for LOX Recondenser." Thesis, 2016. http://etd.iisc.ac.in/handle/2005/2673.

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Cryocoolers are closed cycle devices which produce cooling below 120 K. Usually, one or two linear motors are used to drive one pulse tube cryocooler. Cryocoolers are used for various applications like, cooling of infra red detectors, cryo surgical knife, cryogen recondenser etc. In this thesis the design development and testing of Twin Pulse Tube Cryocooler (TPTC) are discussed. TPTC consists of two pulse tubes driven by dual piston head linear compressor. This dual piston linear compressor is operated using single linear motor. Using this configuration, cooling power is doubled with reduced cost of compressor. The design, fabrication and testing of Linear Moving Magnet Synchronous Motor (LMMSM) based dual piston head linear compressor are carried out indigenously. Finite Element Method (FEM) analysis is used for estimating eddy current loss and flux distribution pattern in various mover configurations of the linear motor. The developed fabrication and assembly procedure of linear motor are discussed in detail. The mover of linear motor is supported by using a pair of cross armed C – type flexures. These flexures are designed using FEM and are fabricated indigenously. The flexure pairs are tested for 108 cycles with ± 3 mm stroke length of linear motor before assembling compressor. Linear motor is usually required to be operated at different frequencies. Thus, a variable frequency and variable voltage Pulse Width Modulated (PWM) based power supply is designed using analog circuits like Op-Amps. This cost effective power supply is capable of delivering 27 A at 100 V with frequency range of 25 Hz to 80 Hz continuously. Sage software was used to carry out 1-D simulation and obtain dimensions of various Pulse Tube Cryocooler (PTC) components. Various pulse tube configurations like Joint Twin PTC, Twin PTC with buffer volume and single PTC with buffer volume were carried out. A Computational Fluid Dynamics (CFD) Fluent 2-D analysis was carried out for single PTC with buffer volume. The fabrication and assembly procedure of PTC is discussed in detail. A novel method of heat exchanger fabrication was developed and analyzed using FEM and its performance is tested experimentally. The twin PTC is operated at 34 bar and 48 Hz. A light weight High Temperature Superconductor (HTS) based level sensor is developed to monitor the cryogen level. The developed sensor was calibrated against discrete diode array and pre-calibrated continuous capacitance type level sensor. The calibrations were carried out in indigenously designed and fabricated 4-wall cryostat using Liquid Nitrogen (LN2) and LOX as cryogen. LabVIEW software based data acquisition was designed for testing, recording and monitoring the performance of twin PTC and level sensors during experiments.

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2

Gour, Abhay Singh. "Design And Development of Linear Moving Magnet Synchronous Motor Based Twin PTC And HTS Level Sensor for LOX Recondenser." Thesis, 2016. http://etd.iisc.ernet.in/handle/2005/2673.

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Abstract:

Cryocoolers are closed cycle devices which produce cooling below 120 K. Usually, one or two linear motors are used to drive one pulse tube cryocooler. Cryocoolers are used for various applications like, cooling of infra red detectors, cryo surgical knife, cryogen recondenser etc. In this thesis the design development and testing of Twin Pulse Tube Cryocooler (TPTC) are discussed. TPTC consists of two pulse tubes driven by dual piston head linear compressor. This dual piston linear compressor is operated using single linear motor. Using this configuration, cooling power is doubled with reduced cost of compressor. The design, fabrication and testing of Linear Moving Magnet Synchronous Motor (LMMSM) based dual piston head linear compressor are carried out indigenously. Finite Element Method (FEM) analysis is used for estimating eddy current loss and flux distribution pattern in various mover configurations of the linear motor. The developed fabrication and assembly procedure of linear motor are discussed in detail. The mover of linear motor is supported by using a pair of cross armed C – type flexures. These flexures are designed using FEM and are fabricated indigenously. The flexure pairs are tested for 108 cycles with ± 3 mm stroke length of linear motor before assembling compressor. Linear motor is usually required to be operated at different frequencies. Thus, a variable frequency and variable voltage Pulse Width Modulated (PWM) based power supply is designed using analog circuits like Op-Amps. This cost effective power supply is capable of delivering 27 A at 100 V with frequency range of 25 Hz to 80 Hz continuously. Sage software was used to carry out 1-D simulation and obtain dimensions of various Pulse Tube Cryocooler (PTC) components. Various pulse tube configurations like Joint Twin PTC, Twin PTC with buffer volume and single PTC with buffer volume were carried out. A Computational Fluid Dynamics (CFD) Fluent 2-D analysis was carried out for single PTC with buffer volume. The fabrication and assembly procedure of PTC is discussed in detail. A novel method of heat exchanger fabrication was developed and analyzed using FEM and its performance is tested experimentally. The twin PTC is operated at 34 bar and 48 Hz. A light weight High Temperature Superconductor (HTS) based level sensor is developed to monitor the cryogen level. The developed sensor was calibrated against discrete diode array and pre-calibrated continuous capacitance type level sensor. The calibrations were carried out in indigenously designed and fabricated 4-wall cryostat using Liquid Nitrogen (LN2) and LOX as cryogen. LabVIEW software based data acquisition was designed for testing, recording and monitoring the performance of twin PTC and level sensors during experiments.

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Book chapters on the topic "Linear Moving Magnet Synchronous Motor (LMMSM)"

1

Wang, Haoyu, Jie Zhang, Wenyuan Yan, and Hualin Huang. "Magnetic Field Analysis and Magnetic Resistance Optimization of Moving Magnet Primary Segmented Permanent Magnet Synchronous Linear Motor." In The proceedings of the 10th Frontier Academic Forum of Electrical Engineering (FAFEE2022). Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3408-9_7.

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2

Wang, Qiaolian, Caixia Gao, Fuzhong Wang, and Chunbo Wang. "The Out-of-Step Protection Strategy for the Vertical-Moving Permanent Magnet Linear Synchronous Motor." In Electrical, Information Engineering and Mechatronics 2011. Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-2467-2_65.

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Conference papers on the topic "Linear Moving Magnet Synchronous Motor (LMMSM)"

1

Xie, Lintong, Jiwen Zhao, Xinvuan Bao, Lei Wang, Xiaohu Zhang, and Dongbo Hu. "Optimization Design of Moving Magnet Type Permanent Magnet Synchronous Linear Motor based on Long and Short Term Memory Network." In 2021 13th International Symposium on Linear Drives for Industry Applications (LDIA). IEEE, 2021. http://dx.doi.org/10.1109/ldia49489.2021.9505846.

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2

Zhang, Lu, Zijiao Zhang, Baoquan Kou, and Guanghui Wang. "Analysis and Modeling of A Novel Moving-Magnet-Type Linear Synchronous Motor with Ring Structure Winding." In 2020 23rd International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2020. http://dx.doi.org/10.23919/icems50442.2020.9291146.

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3

Long, Geoffrey A., O. James Fiske, and Brad E. Paden. "Design of a Small-Scale Prototype for a Stabilized Permanent Magnet Levitated Vehicle." In ASME 2009 Dynamic Systems and Control Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/dscc2009-2768.

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A small-scale proof-of-concept prototype has been designed and built as the next stage in the development of a novel maglev vehicle concept. This prototype demonstrates many of the key advantages of the technology which uses permanent magnets for levitation and does not require any moving parts in a track bifurcation. Key design features and performance characteristics of the prototype are described: the control system for stable levitation, the linear synchronous motor for propulsion and the method of track switching. Alternative system configurations and other applications of the technology are also briefly discussed.

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4

Hirvonen, M., H. Yousefi, and H. Handroos. "Feedforward Neural Network Compensation and State Estimation in Suppressing Mechanical Vibrations in a PMLSM." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80745.

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Neural networks have been proposed for the control and compensation of electromechanical systems during the past decade. In this study, a neural network compensator for suppressing mechanical vibrations in a Permanent Magnet Linear Synchronous Motor (PMLSM) application is postulated. The linear motor itself is controlled by a conventional PI-velocity controller, and the vibration of the flexible mechanism on the linear motor is suppressed from an outer control loop using a compensation signal from a feedforward neural network. The neural network compensation is based on feedback, which is produced from the acceleration estimation of a moving mass by using the Kalman Filter. The algorithm is first designed in the simulation program, and then implemented in the physical linear motor using a DSP application. The results of the responses are presented in this paper. The proposed method is robust in all conditions and satisfies all control evaluation criteria.

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