Novel Compact Linear Switched Reluctance Motor with a Thin Shape and a Simple and Easily Replaceable Mover

Sato, Kaiji

doi:10.1299/jamdsm.7.295

Cited by 6 publications

(5 citation statements)

References 13 publications

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“…Using this phase decoupling design, a very thin D-7 is reported in [8] for use in microscopes, alignment apparatus, inspection systems etc. As shown in Fig.…”

Section: A Modifications In Geometrical Profilementioning

confidence: 99%

Review of Linear Switched Reluctance Motor Designs for Linear Propulsion Applications

Prasad

Jain

Gupta

2022

Trans. Electr. Mach. Syst.

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Linear switched reluctance motor (LSRM) and its applications in different industries have been an interesting research topic for the past few years. LSRMs have proved to be a suitable alternative in a variety of applications requiring linear motion. However, its use is not that popular which instigated an active interest in the evolution of newer LSRM configurations. Enhancement in its propulsion force along with the reduction in force ripples, weight, acoustic noise, and vibration have been the main objectives in recently proposed LSRM designs. In this paper, recently proposed LSRM designs are reviewed and analyzed. The paper presents a one-stop introduction and a complete update to the designs, both in terms of qualitative and quantitative parameters. In addition, it takes into account the challenges in the implementation of these designs. Based on a detailed comparison of these designs as presented in this paper, an appropriate design can be chosen for a given application.

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“…Using this phase decoupling design, a very thin D-7 is reported in [8] for use in microscopes, alignment apparatus, inspection systems etc. As shown in Fig.…”

Section: A Modifications In Geometrical Profilementioning

confidence: 99%

Review of Linear Switched Reluctance Motor Designs for Linear Propulsion Applications

Prasad

Jain

Gupta

2022

Trans. Electr. Mach. Syst.

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“…The effective thrust force in this LSRM is not proportional to the position of the mover or applied current, which is a similar observation for most LSRMs. Figure 3 shows the measured static thrust force characteristic at a maximum current of 3.33 A using the driving signal waveforms obtained (Sato, 2013). As the figure indicates, the measured thrust force fluctuates depending on the position of the mover and is considered small because of the friction force.…”

Section: Lsrm Prototypementioning

confidence: 99%

“…The basic structure ( Fig. 2(a)) and driving principle are the same as those of the LSRM described elsewhere (Sato, 2013). Maslan et al (2017) increased the width of the mover core to reduce the magnetic resistance, which resulted in a higher thrust force characteristic than that in the previous study.…”

Section: Introductionmentioning

confidence: 99%

“…To provide a high-speed and high-precision performance, linear motors depend on permanent magnets (PMs), which are bulky and have powerful attractive forces, thereby making their assembly and disassembly difficult. Sato (2013) proposed a linear motor based on a linear switched reluctance motor (LSRM), which does not require the use of powerful PMs and is therefore free from their negative effects. Hence, the components can be easily assembled, disassembled, and recycled; moreover, a further reduction in cost can be expected.…”

Section: Introductionmentioning

confidence: 99%

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Motion system design of a thin and compact linear switched reluctance motor with disposable-film mover

Maslan

Sato

2018

JAMDSM

Self Cite

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This paper describes a suitable motion system design that utilizes a thin and compact linear switched reluctance motor (LSRM) with a disposable-film mover. The motor features a simple structure that is easy to fabricate and install into existing and newly designed instruments. Made using readily available materials, the mover is considered disposable. To meet the objectives of a motion system, i.e., simplicity in terms of use and mover exchangeability, the motion performance should remain the same even when the mover is exchanged. To meet these objectives, it is desirable to provide controllers that are robust to changes to the movers, and it is important to clarify the limitations of the motion performance resulting from the different motor characteristics. Thus, using a controller designed for precise tracking, experiments were carried out to verify the robustness of the motion system against the influences of changes in the length and mass of the movers. The limitations of the motion performance were then formulated for systems with a small effective thrust force such as those used in the developed LSRM, and validated. Based on the results achieved, the range of additional mass specifically applied to maintain the same motion performance is clarified in the present paper.

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“…For longitudinal flux, the flux line and actuator movement is in parallel while in transverse, the flux line is perpendicular with actuator movement. According to prior LSRA doublesided [9]- [11], single sided [12] and tubular [13], [14] modeling analysis, the switched reluctance type of machine has extremely nonlinear characteristics. Therefore, designing and developing the performance of the actuator is become more challenging.…”

Section: Introductionmentioning

confidence: 99%

Modeling and Simulation of a Tubular Linear Switched Reluctance Actuator

2019

IJITEE

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In this paper, 2-D finite element analysis and MATLAB/Simulink software are used to model and simulate the proposed tubular linear switched reluctance actuator. The analysis of the actuator by finite element is essential for determining the magnetization characteristics. The obtained data from the analysis is useful for testing and verifying the machine operation performance and behavior. According to the analysis, when a step current signal of 3A was applied to the actuator, oscillation occurred at beginning of the motion with maximum overshooting of 2mm and settling time of 0.15s. Besides, the force analysis showed there was nonlinear force behavior between - 3.5N and 2N observed from the actuator motion. The saturation and nonlinear magnetization curve of materials causes the nonlinearity characteristics of thrust force and magnetic flux which affect the performance of the actuator. The determination of the characteristics and performance is crucial for the proposed actuator to realize a precision positioning system in the future.

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Novel Compact Linear Switched Reluctance Motor with a Thin Shape and a Simple and Easily Replaceable Mover

Cited by 6 publications

References 13 publications

Review of Linear Switched Reluctance Motor Designs for Linear Propulsion Applications

Review of Linear Switched Reluctance Motor Designs for Linear Propulsion Applications

Motion system design of a thin and compact linear switched reluctance motor with disposable-film mover

Modeling and Simulation of a Tubular Linear Switched Reluctance Actuator

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