Multiobjective Optimization of a Double-Side Linear Vernier PM Motor Using Response Surface Method and Differential Evolution

Zhao, Wenxiang; Ma, Anqi; Ji, Jinghua; Xu, Chunxiao; Yao, Tianxiang

doi:10.1109/tie.2019.2893848

Cited by 94 publications

(24 citation statements)

References 34 publications

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“…A high power factor LVPM can be designed by combining a double-sided structure and a series magnetic circuit [155], [170], [171] (Fig. 22).…”

Section: Vernier Machinesmentioning

confidence: 99%

“…22). The design parameters of the machine in [171] are globally optimised for maximising thrust and power factor. The final design achieves a power factor of 0.945, but the experimental measurements of thrust differ from the expected values in up to 17.2 %, and the value of the power factor is not verified with the prototype.…”

Section: Vernier Machinesmentioning

confidence: 99%

“…Another choice is the usage of a double-sided configuration with a series magnetic circuit [155], [170], [171]. As mentioned before, an impressive power factor of 0.945 has been reported in [171], but there are no experimental results that validate this value. By means of example, a double-mover C-Core LSFPM is shown in Fig.…”

Section: Power Factormentioning

confidence: 99%

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Linear Machines for Long Stroke Applications—A Review

et al. 2020

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This document reviews the current state of the art in the linear machine technology. First, the recent advancements in linear induction, switched reluctance and permanent magnet machines are presented. The ladder slit secondary configuration is identified as an interesting configuration for linear induction machines. In the case of switched reluctance machines, the mutually-coupled configuration has been found to equate the thrust capability of conventional permanent magnet machines. The capabilities of the so called linear primary permanent magnet, viz. switched-flux, flux-reversal, doubly-salient and vernier machines are presented afterwards. A guide of different options to enhance several characteristics of linear machines is also listed. A qualitative comparison of the capabilities of linear primary permanent magnet machines is given later, where linear vernier and switched-flux machines are identified as the most interesting configurations for long stroke applications. In order to demonstrate the validity of the presented comparison, three machines are selected from the literature, and their capabilities are compared under the same conditions to a conventional linear permanent magnet machine. It is found that the flux-reversal machines suffer from a very poor power factor, whereas the thrust capability of both vernier and switched-flux machines is confirmed. However, the overload capability of these machines is found to be substantially lower than the one from the conventional machine. Finally, some different research topics are identified and suggested for each type of machine.

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“…A high power factor LVPM can be designed by combining a double-sided structure and a series magnetic circuit [155], [170], [171] (Fig. 22).…”

Section: Vernier Machinesmentioning

confidence: 99%

Section: Vernier Machinesmentioning

confidence: 99%

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Linear Machines for Long Stroke Applications—A Review

et al. 2020

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“…The optimized second order model based AQM scheme using robust proportional controller has been discussed in Wang et al A new framework of multiobjective optimization has been proposed to improve the overall performances that uses the sensitivity analysis to select significant variables. In this model, the multiobjective differential evolution with ranking‐based mutation operator (MODE‐RMO) is conducted using response surface model …”

Section: Introductionmentioning

confidence: 99%

“…In this model, the multiobjective differential evolution with ranking-based mutation operator (MODE-RMO) is conducted using response surface model. 21 The major issue with existing analysis is that either it does not consider the interaction of input factors for nonlinear model or does not consider the interaction if nonlinear model is proposed. The work presented in Patel et al 19 has provided an evaluation model observed at two levels of input factors that gives linear model for output response such as throughput, delay, and loss rate.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear performance evaluation model for throughput of AQM scheme using full factorial design approach

Patel

2020

Int J Communication

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Summary The performance of active queue management (AQM) is measured in terms of throughput, delay, queue size, and loss rate. We have carried out the optimized performance measure of throughput for AQM scheme random early detection (RED) using 3k full factorial design (FDD) technique that is a new approach of performance analysis particularly for congestion control algorithms. We have considered the input factors, viz, buffer size, maximum threshold, and the number of file transfer protocol (FTP) sources for the evaluation of RED that can be used for other AQM schemes, viz, adaptive RED, three‐section RED (TRED), and adaptive queue management with random dropping (AQMRD). The effect of each input factor as well as their interactions are evaluated using 3k factorial design technique that results to obtain the nonlinear equation for performance measure in terms of input factors buffer size, maximum threshold, and the number of FTP sources. Finally, we show the contour plots for variation of performance measure throughput (steady state) from minimum to maximum values with respect to the different setting of input parameters.

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Design and performance of linear Vernier generators—The state of the art and case study

Faiz

Amini‐Valeshani

Ghods

2020

Int Trans Electr Energ Syst

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Summary Although Vernier machines have been introduced a long ago, their description, applications, and design improvement have been recently proposed. This paper reviews different types of linear Vernier machine. Their description and theoretical base of the performance are presented. The performance of the motor is improved by reducing the cogging force, increasing the power factor, and enhancing force density. Stator and translator structures, the arrangement of magnets, and the type of coils of permanent magnet (PM) Vernier machines are reviewed and classified. Then, the electromagnetic performance prediction and energy conversion process in the machine is described. The magnetic field distribution and air gap permeance analysis indicate that such analysis is very complicated than that of other PM machines. Impacts of variations of dimensions in the machine such as the number of modulators on the modulus width and thickness of the mover PMs on the load characteristics (cogging torque and Back‐EMF) are addressed. Besides, principles of operation of flux modulation machines are presented and the shape and dimensions of the modulators are optimized. Finally, a 150 W linear PM Vernier generator is designed and prototyped to the energy harvested by the ocean wave.

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Multiobjective Optimization of a Double-Side Linear Vernier PM Motor Using Response Surface Method and Differential Evolution

Cited by 94 publications

References 34 publications

Linear Machines for Long Stroke Applications—A Review

Linear Machines for Long Stroke Applications—A Review

Nonlinear performance evaluation model for throughput of AQM scheme using full factorial design approach

Design and performance of linear Vernier generators—The state of the art and case study

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