Investigation of an Ironless Permanent Magnet Linear Synchronous Motor with Cooling System

Zhang, Lu; Kou, Baoquan; Jin, Y.; Chen, Yu‐Sheng; Liu, Yanjie

doi:10.3390/app6120422

Cited by 5 publications

(3 citation statements)

References 12 publications

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“…Due to its advantages over other types of linear motors, the use of linear synchronous reluctance motors (LSRM) for a variety of applications continues to grow. Their key benefits include cheap reaction rail components, the absence of substantial heat sources during reaction rail operation, and the fact that only the reaction rail portion opposite the armature is exposed to the magnetic field when the reaction rail is in use [8][9][10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Position Control of Linear Synchronous Reluctance Motor Using a Modified Camel Traveling Algorithm-Based Proportional Integral Controller

Nekad,

Shary,

Alawan

2024

MMEP

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Section: Introductionmentioning

confidence: 99%

Position Control of Linear Synchronous Reluctance Motor Using a Modified Camel Traveling Algorithm-Based Proportional Integral Controller

Nekad,

Shary,

Alawan

2024

MMEP

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“…The permanent magnet's presence caused the LSA to have a sizeable cogging force and normal force in planar LSA [3]. Moreover, high-energy rare-earth magnet progress can be up to 1.2T at room temperature and maximum operating temperature at 150 ˚C before the permanent magnet loses its magnetic properties [4][5][6][7][8]. However, the permanent magnet offers improved performance, especially in force density and dynamic response [9][10].…”

Section: Introductionmentioning

confidence: 99%

Tubular Linear Switched Reluctance Actuator: Design and Characterization

et al. 2022

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Linear electromagnetic actuator is receiving significant attention due to recent advances in power electronics and modern control methods. This research proposes a three-phase tubular linear switched reluctance actuator (LSRA) for application in the semiconductor fabrication industry. The tubular LSRA has a robust construction, low manufacturing and maintenance cost, good fault tolerance capability, and high reliability in a harsh environment, making it an attractive alternative to a permanent magnet linear actuator. However, the tubular LSRA has a long mover, which increases the possibility of the mover deforming during fabrication. So, a new mover design is proposed to overcome the problem. The proposed mover design allows the traveling distance of the actuator to be modified by adding or removing the rings without changing the shaft. The tubular LSRA prototype is fabricated according to the optimized design. To drive the tubular LSRA, a appropriate switching algorithm method are used to provide the correct switching signal. This method is straightforward, while no extensive knowledge of power electronic converter is required. The developed tubular LSRA can generate a maximum static force of 0.65N. Through the open-loop reciprocating motion, the dynamic responses of the tubular LSRA can achieve a maximum velocity of 210mm/s and maximum acceleration of 8m/s2, which are in the performance range for precision mechanism.

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“…The use of rotating ironless permanent magnet generators is also of interest for wind turbine power generation [26,27]. Regarding the use of ironless linear permanent magnet machines, the main applications are related to launchers, semiconductor processing devices, photoetching machines and automation equipment [28][29][30][31]. In the literature, only a few papers address the design and experimental performance analysis of ironless PMLG for wave energy conversion.…”

mentioning

confidence: 99%

An Experimental Comparison between an Ironless and a Traditional Permanent Magnet Linear Generator for Wave Energy Conversion

et al. 2022

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Permanent Magnet Linear Generators (PMLGs) are currently being studied for sea wave energy harvesting. Typically, a PMLG consists of an iron-made armature and a moving translator. The permanent magnets adoption produces parasitic effects, such as cogging force, and the machine weight increment. A solution could be the adoption of an ironless configuration, accepting a power density reduction. This paper investigates the use of ironless PMLGs in sea wave energy conversion systems by an experimental comparative analysis between an iron PMLG prototype and an ironless PMLG prototype, which share the same geometry. The main electrical and mechanical parameters (resistance, mass, and magnetic fields) were preliminarily measured. Subsequently, open-circuit and load tests were carried out to compare the induced voltages, the energy transferred to a resistive load, efficiency and the load average power. The reported comparison shows that iron PMLG performances are significantly superior to the ironless ones during the open-circuit tests, as expected. However, the analysis carried out through the load tests shows that the cogging force significantly limits the energy production, obtaining similar values in both machines. Therefore, the experimental tests justify the use of ironless machines in sea wave energy harvesting, where the maximization of energy production is a relevant target.

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Investigation of an Ironless Permanent Magnet Linear Synchronous Motor with Cooling System

Cited by 5 publications

References 12 publications

Position Control of Linear Synchronous Reluctance Motor Using a Modified Camel Traveling Algorithm-Based Proportional Integral Controller

Position Control of Linear Synchronous Reluctance Motor Using a Modified Camel Traveling Algorithm-Based Proportional Integral Controller

Tubular Linear Switched Reluctance Actuator: Design and Characterization

An Experimental Comparison between an Ironless and a Traditional Permanent Magnet Linear Generator for Wave Energy Conversion

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