Results 31 to 40 of about 189 (113)

Thrust ripple reduction based on auxiliary-slot permanent magnet synchronous linear motors

Advances in Mechanical Engineering
Permanent magnet synchronous linear motor (PMSLM) has the advantages of simple mechanical structure and high thrust density. However, the simultaneous existence of end effect and cogging force aggravates the thrust ripple and affects the output ...
Cong Huang, Huachun Wu, Yuzhe Xu, Bowen Sun, Zijie Dai   +4 more
doaj   +1 more source

Design and Optimization of Complementary Field Excited Linear Flux Switching Machine With Unequal Primary Tooth Width and Segmented Secondary

IEEE Access, 2019
Linear flux switching machines (LFSMs) are one of the recently emerging and competitive candidates for long stroke applications due to high thrust force density, low cost and robust secondary, and high reliability.
Noman Ullah, Abdul Basit, Faisal Khan, Yasir Ali Shah, Amir Khan, Osama Waheed, Ali Usman   +6 more
doaj   +1 more source

Thrust Ripple Reduction of Permanent Magnet Linear Synchronous Motor Based on Improved Pole Shape for Electromagnetic Launcher System

Iranian Journal of Electrical and Electronic Engineering, 2019
In this paper, a new design of permanent magnet linear synchronous motor (PMLSM) for electromagnetic launcher system (EMLs) has been investigated in terms of the requisite amount of average launching thrust force and thrust force ripple minimization ...
H. Sheykhvazayefi, S. R. Mousavi-Aghdam, M. R. Feyzi   +2 more
doaj  

Towards Smoother Linear Locomotion Through Combined Linear Machine Structural Optimization Methods

Energies
Permanent Magnet Linear Synchronous Motors (PMLSMs) are the dominant actuation solution for high-end manufacturing equipment, such as semiconductor lithography systems, owing to their superior force density and direct-drive capabilities.
Yiheng Chen, Zaixin Song, Yongtao Liang
doaj   +1 more source

Modeling and Static Analysis of Primary Consequent-Pole Tubular Transverse-Flux Flux-Reversal Linear Machine

Energies, 2017
A novel primary consequent-pole tubular transverse-flux flux-reversal linear machine (TTFFRLM) is proposed in this paper. The permanent magnets (PMs) of the machine are located on the inner surface of the short teeth of the primary iron cores for ...
Dingfeng Dong, Wenxin Huang, Feifei Bu, Qi Wang, Wen Jiang, Xiaogang Lin   +5 more
doaj   +1 more source

Dual-Stator Versus Dual-Mover Segmented Secondary Hybrid Excited Linear Flux Switching Machine for Ropeless Elevator System

Machines
Rotatory electric motors provide low efficiency in the case of linear motion. The reason for this is the mechanical conversion system required to convert rotary torque to linear thrust force.
Noman Ullah, Mohsin Shahzad, Faisal Khan
doaj   +1 more source

A New Design Optimization Method for Permanent Magnet Synchronous Linear Motors

Energies, 2016
This study focused on the design optimization of permanent magnet synchronous linear motors (PMSLM) that are applied in microsecond laser cutting machines.
Juncai Song, Fei Dong, Jiwen Zhao, Siliang Lu, Le Li, Zhenbao Pan   +5 more
doaj   +1 more source

Primary component segmental design to suppress the normal force ripple for the permanent magnet linear synchronous motor

IET Electric Power Applications
There 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, Bing Tian, Xinbang Wang, Xuzhen Huang, Liyi Li   +4 more
doaj   +1 more source

Performance analysis and optimization of secondary U-shaped double-sided toroidal winding linear permanent magnet vernier machine

Engineering Science and Technology, an International Journal
Aiming at the issues of low thrust density, significant thrust ripple, the lengthy end and the large axial attraction force in conventional single-sided distributed winding linear permanent magnet vernier machine (LPMVM), this paper presents an enhanced ...
Xiaozhuo Xu, Sen Miao, Siyuan Jiang, Haichao Feng, Liwang Ai   +4 more
doaj   +1 more source

Optimization of Permanent Magnet Linear Motors Based on Improved Finite Difference Method

IEEE Access
To mitigate significant force end fluctuations in short primary permanent magnet linear synchronous motors (PMLSMs) caused by longitudinal end effects, this paper proposes a novel chamfered arc-shaped auxiliary pole structure and an enhanced finite ...
Mengxue Zhang, Liang Guo, Wenqi Lu
doaj   +1 more source