Results 11 to 20 of about 117 (92)
IET Electric Power Applications, 2023 Given the existence of detent force, the positioning accuracy of permanent magnet linear synchronous motor (PMLSM) with an iron core worsens in its application in the field of the precision drive.
Zhiyong Lan +5 more
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International Journal of Mechanical System Dynamics, 2021 Six‐phase permanent magnet linear synchronous motor (PMLSM) for electromagnetic launch (EML) system presents the characteristics of a high order, nonlinearity, multivariable, strong coupling, and nonperiodic transient operation in the synchronous ...
Xingfa Sun, Jin Xu, Junjie Zhu
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IET Electric Power ApplicationsConsidering the various unknown and uncertain parameters as well as load disturbances of permanent magnet linear synchronous motor (PMLSM) drive systems, this paper proposes a novel model‐free adaptive super‐twisting (MFAST) speed control strategy based ...
Qingfang Teng, Xiaojian Wang, Kai Xu
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IET Control Theory & Applications, 2021 Iterative learning control (ILC) has been widely used to improve motion performance when reference trajectories and external disturbances are strictly repetitive. However, the occurrence of non‐repetitive trajectories and disturbances would significantly
Weike Liu +4 more
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IET Electric Power ApplicationsThere is not only thrust but also normal force between the primary and secondary components for the single‐side flat plate permanent magnet linear synchronous motor (PMLSM).
Qiang Tan +4 more
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IET Power Electronics, Volume 16, Issue 13, Page 2192-2202, 14 October 2023., 2023 Because of the zero‐transmission structure of the direct drive system, the feedback harmonics caused by the disturbances will be coupled with the detent force and intensify the couplings among different sources of thrust harmonics, which will produce new thrust harmonics, deteriorating the dynamic precision and efficiency of the motion system ...
Xiaojun Yang +3 more
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IET Electric Power Applications, Volume 17, Issue 9, Page 1212-1224, September 2023., 2023 In this study, the characteristic model of the motor position control link is constructed, and the intelligent adaptive controller is designed to improve the tracking accuracy and anti‐interference ability of the system. In addition, a new calculation method of the equivalent contour error is proposed innovatively, and the dual axes are compensated by ...
Zheng Li +5 more
wiley +1 more source
Calculation and analysis of the unbalanced magnetic thrust for the linear motor drive motion system
IET Electric Power Applications, Volume 17, Issue 6, Page 867-878, June 2023., 2023 The unbalanced magnetic thrust caused by the mover eccentricity for the linear motor drive motion system considering the mechanical installation errors and vibrations is analytically represented. The effects on the thrust force characteristics of the unbalanced magnetic thrust are investigated.
Xiaojun Yang, Jianlin Xuan, Zhaohui Yang
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Comparison between Radial and Halbach Array PMLSM by Employing 2-D Electromagnetic Finite Element Analysis [PDF]
Journal of Electrical and Computer Engineering Innovations, 2016 The replacement of steam catapults with electromagnetic ones is becoming an overwhelming trend in aircraft launch systems. The Electromagnetic Aircraft Launch System (EMALS) offers significant benefits to the aircraft, ship, personnel, and operational ...
H. Moradi CheshmehBeig +1 more
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Energies, 2023 Accurate analysis of the air gap magnetic field is the focus of research in the field of precision permanent magnet linear synchronous motors. In this paper, the two-dimensional air gap magnetic field of a secondary trapezoidal Halbach permanent magnet ...
Bo Li +4 more
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