Transactions of China Electrotechnical Society  2016, Vol. 31 Issue (增刊2): 262-268    DOI:
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Multi-Objective Optimization Design of PMECD by Multiple Population Genetic Algorithm
Shi Tongyu, Wang Dazhi, Li Zhao
School of Information Science & Engineering Northeastern University Shenyang 110819 China

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Abstract  The aim of this paper was to explore the use of the multiple population genetic algorithm (MPGA) to optimize several parameters of permanent magnet eddy current drivers .At first,on the basis of the magnetic field analysis model,the analytical formulas of key parameters were deduced.By using permanent magnet thickness,pole-arc coefficient and copper plate thickness as variables and taking output torque,rotational inertia and the volume of the driver as optimization goals,this paper proposed a multi-objective optimization function with entropy coefficients and used the multiple population genetic algorithm to optimize parameters structure of the driver.Then,3D finite element analysis (3D-FEA) and experimental results proved the validity and feasibility of the proposed method.The results confirm that compared with other two optimization algorithms,optimization design result by the multiple population genetic algorithm based on the analytical model has better effect on optimization of structural parameters.
Key wordsPermanent magnet eddy current driver      analytical method      entropy-based weight      multi-objective optimization      multiple population genetic algorithm     
Received: 20 August 2016      Published: 23 March 2017
PACS: TM144  
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Shi Tongyu
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Li Zhao
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Shi Tongyu,Wang Dazhi,Li Zhao. Multi-Objective Optimization Design of PMECD by Multiple Population Genetic Algorithm[J]. Transactions of China Electrotechnical Society, 2016, 31(增刊2): 262-268.
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