An approach to optimize winding design in linear induction motors

Laporte, B.; Takorabet, Noureddine; Vinsard, G.

doi:10.1109/20.582640

Cited by 25 publications

(11 citation statements)

References 2 publications

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“…N is the order of the approximation of the mvp on the Hermite basis. The details of the method are well described in [5,6]. After resolution, the mvp is determined in the motionless domain an in particular, on the boundary D ∂ .…”

Section: Electromagnetic Modelmentioning

confidence: 99%

“…3). The optimization process is performed in the motionless domain to determine the 13 currents maximizing the force as well presented in [5] for 0 = v . Using this optimal distribution of the currents, the force field is computed by (17) and shown in Fig.…”

Section: Computation Of the Force Densitymentioning

confidence: 99%

“…However, these methods are not adapted for linear induction motor which is characterized by a continuous spectrum of space harmonics. A combined method using Fourier and transform finite elements analysis leads to introduce a convolution relation between the magnetic vector potential and its normal derivative on the boundary of the moving parts is developed and tested [5]. This method allows computing the electromagnetic field distribution in the motionless parts of the device by Hermite spectral decomposition.…”

Section: Introductionmentioning

confidence: 99%

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Computation of force density inside the channel of an electromagnetic pump by Hermite projection

Takorabet

2006

IEEE Trans. Magn.

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Section: Electromagnetic Modelmentioning

confidence: 99%

Section: Computation Of the Force Densitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Computation of force density inside the channel of an electromagnetic pump by Hermite projection

Takorabet

2006

IEEE Trans. Magn.

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“…Some of these papers have presented their experiences on manufacturing a specific LIM [31]- [35], and some others have discussed on the optimum design of LIMs with special objectives [7], [29], [30], [37]- [41]. The main single/multiobjective functions introduced in the literatures are winding design [29], thrust and power to weight ratio [30], efficiency and power factor [37]- [39], efficiency, power factor, end-effect factor, and motor weight [7], height to length ratio [40], and efficiency, power factor, and end-effect braking force (EEBF) [41]. However, these papers have neglected the effect of secondary leakage reactance in their analyses, which can be significant in low-air-gap machines.…”

Section: Introductionmentioning

confidence: 99%

Design Optimization of a Ladder Secondary Single-Sided Linear Induction Motor for Improved Performance

Ravanji

Nasiri‐Gheidari

2015

IEEE Trans. Energy Convers.

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In this paper, design and optimization of a ladder-type single-sided linear induction motor (Ladder SLIM) for machine tool applications is investigated. High-speed linear induction machines suffer from the end-effect phenomenon, which can reduce the thrust and result in declined output characteristics. Although it is common to consider this phenomenon in high-speed applications, it is essential to take it into account in the design and analysis of low-speed low-air-gap linear machines. In addition, Ladder SLIMs have significant flux density ripples, and using skewed bars for secondary of the machine is a common solution for it. Therefore, providing required equations, an algorithm for designing a Ladder SLIM considering the end-effect phenomenon based on Duncan model is proposed, and effect of several design parameters on the output characteristics are analyzed. In order to find the optimum design parameters, a multiobjective optimization problem considering efficiency, power factor, and braking force due to the end effect is defined. This problem is optimized with two algorithms, interior point and genetic algorithms, and results are compared. Finally, the validity of the obtained solution is verified using a 2-D and 3-D time-stepping finite-element method. Index Terms-End-effect braking force (EEBF), genetic algorithm (GA), interior point algorithm (IPA), ladder-type single-sided linear induction motor (Ladder SLIM), multivariable multiobjective (MVMO) optimization, time-stepping finiteelement method (TSFEM). 0885-8969 . Her research interests include design, optimization, and performance analysis of electrical machines and electromagnetic sensors.

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“…In other work, the thrust and power to weight ratio are maximized [9]. In [10] and [11] optimum winding design of LIM have been presented. In other researches, optimal design of the LIM for having the maximum thrust and the power factor has been done [12,13].…”

Section: Introductionmentioning

confidence: 99%

Optimal Design of Low-Speed Secondary-Sheet Single-Sided Linear Induction Motor

Shiri¹,

Shoulaie²

2013

Journal of Electrical Engineering and Technology

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-Among different linear motors, single-sided linear induction motors have been widely used in industry due to their simplicity and low construction cost. However, these types of motors suffer from low efficiency and power factor. In this paper, an effective procedure is proposed to design single-sided linear induction motors. The designed motor is simulated in MATLAB software in order to investigate the effect of design parameters on the performance of the machine. Regarding the obtained results, the Genetic Algorithm is employed to optimize the design considering product of efficiency and power factor as objective function. The results show significant improvement of the performance. Finally, experimental results and 2D finite element method is used to validate the model parameters and the optimization results.

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An approach to optimize winding design in linear induction motors

Cited by 25 publications

References 2 publications

Computation of force density inside the channel of an electromagnetic pump by Hermite projection

Computation of force density inside the channel of an electromagnetic pump by Hermite projection

Design Optimization of a Ladder Secondary Single-Sided Linear Induction Motor for Improved Performance

Optimal Design of Low-Speed Secondary-Sheet Single-Sided Linear Induction Motor

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