A new double-sided primary wound field flux-switching linear motor

Jin, Yi; Cao, Ruiwu; Zhang, Yanze; Jiang, Xuefeng; Huang, Wei‐Ping

doi:10.1109/icems.2015.7385035

Cited by 9 publications

(5 citation statements)

References 15 publications

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“…FRLM suffers from the more cogging force and unbalance sinusoidal back electromotive force (EMF). The field excited FSLM is presented in [17,18]to overcome the aforementioned problems. The proposed machines have the advantages of low cost, reduced mover weight and improve the load capacity.…”

Section: Introductionmentioning

confidence: 99%

Development of a Low-Cost Modular Structure Fault Tolerant Field Excited Flux Switching Linear Machine for Urban Rail Transit

et al. 2021

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This paper proposes double sided complementary modular field excited flux switching linear machine (FEFSLM). FEFSLM offers the low cost, variable flux capability for a wide speed range, a compact and robust stator which is suitable for the long stroke application. Compared to other linear machines complementary modular design has more sinusoidal and symmetrical flux linkage and lower detent force. Initially, the topology and machine working principle is thoroughly discussed. To maximize the thrust force of the machine and optimize the geometric parameters, built-in genetic algorithm (GA) of JMAG ver. 20 is utilized. Furthermore, the modular design incorporates the concept of fault-tolerant capabilities to provide the required decoupling between phases. 2D finite element analysis (FEA) is used to analyze the machine performance. Comparatively the optimized design exhibits higher thrust force, lower thrust force ripples and higher efficiency than the initial design.INDEX TERMS Flux switching machines, linear machines, genetic algorithm, fault tolerant capability. I.

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Section: Introductionmentioning

confidence: 99%

Development of a Low-Cost Modular Structure Fault Tolerant Field Excited Flux Switching Linear Machine for Urban Rail Transit

et al. 2021

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“…This unique feature enables salient, robust, and low-cost stator [2]. LPMFSM topology attracted attention of numerous researchers around the globe due to additional advantages of bipolar flux linkage, good thermal dissipation as PMs are confined to short mover, armature field and PM field are in parallel, high reliability, fault tolerant due to low mutual inductances, high thrust force/power density, good dynamic response, and sinusoidal back-EMF [3][4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Performance comparison and optimisation of dual mover linear permanent magnet flux switching machine

Ullah

Khan

Basit

et al. 2019

IET Electric Power Applications

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Short moving primary and rigid low-cost secondary are important requirements of linear machines designed for long stroke applications. In the race, linear permanent magnet flux switching machine (LPMFSM) is a competitive candidate by confining excitation sources to short mover, thus making stator robust and low cost (made of only iron). However, single-sided LPMFSM exhibit a demerit of high normal (attraction) force due to its topology. In order to rectify the problem and enhance thrust force profile, two novel double-sided LPMFSMs are proposed with dual stator and dual mover topologies. After stator pole study, both topologies with same design dimensions are analysed and compared by 2-D finite element method here. Detailed analysis revealed that 12/14 DMLPMFSM exhibit low numerical values of thrust force ripples and detent force while maintaining average thrust force value. Hence, 12/14 DMLPMFSM is selected and optimised by structure-based deterministic optimisation (SBDO) approach to further enhance thrust force profile. Finally, comparison of initial and optimised design of 12/14 DMLPMFSM is presented to validate optimisation procedure.

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“…Double stator LFSMs can be further categorized as: (a) with yoke [16,17], and (b) without yoke [18,19]. Depending upon the excitation source, DSLFSMs can be divided into: (a) double sided linear flux switching permanent magnet machines (DSLFSPMMs) [20], (b) field excited DSLFSMs (FEDSLFSMs) [21], and (c) hybrid excited DSLFSMs (HEDSLFSMs) [22]. HEDSLFSMs utilize both PMs and field windings as excitation sources.…”

Section: Introductionmentioning

confidence: 99%

Enhancing Capabilities of Double Sided Linear Flux Switching Permanent Magnet Machines

et al. 2018

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Double sided linear flux switching permanent magnet machines (DSLFSPMMs) exhibit high thrust force density, high efficiency, low cost and robust double salient secondary (stator) structures. The aforementioned unique features make DSLFSPMM suitable for long stroke applications. However, distorted flux linkage waveforms and high detent forces can exaggerate thrust force ripples and reduce their applicability in many areas. In order to enhance thrust force performance, reduce thrust force ripple ratio and total harmonic distortion (THD) of no-load flux linkages, two structure-based advancements are introduced in this work, i.e., asynchronous mover slot and stator tooth displacement technique (AMSSTDT) and the addition of an active permanent magnet end slot (APMES). Furthermore, single variable geometric optimization (SVGO) is carried out by the finite element method (FEM).

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A new double-sided primary wound field flux-switching linear motor

Cited by 9 publications

References 15 publications

Development of a Low-Cost Modular Structure Fault Tolerant Field Excited Flux Switching Linear Machine for Urban Rail Transit

Development of a Low-Cost Modular Structure Fault Tolerant Field Excited Flux Switching Linear Machine for Urban Rail Transit

Performance comparison and optimisation of dual mover linear permanent magnet flux switching machine

Enhancing Capabilities of Double Sided Linear Flux Switching Permanent Magnet Machines

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