Abstract




 
   

IJE TRANSACTIONS B: Applications Vol. 31, No. 2 (February 2018) 339-345   

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  DESIGN, OPTIMIZATION AND FEM ANALYSIS OF A SURFACE-MOUNTED PERMANENT-MAGNET BRUSHLESS DC MOTOR
 
H. Moradi CheshmehBeigi
 
( Received: April 28, 2017 – Accepted in Revised Form: October 02, 2017 )
 
 

Abstract    In this paper a fast analytical algorithm for design a surface-mounted PM Brushless DC motor (SMPM-BLDC) for variable-speed application based on electromagnetic field analysis and RSM optimization algorithm is discussed. To achieve the desired performance, the physical dimensions of the proposed SMPM-BLDC motor subject to minimal ripple torque utilizing RSM optimization algorithm were optimized. Finally, to evaluate the motor performance and confirm the accuracy of the proposed design procedure 2-D Finite Element (FE) analysis were employed. The obtained numerical analysis results explain the accuracy and effectiveness of the proposed machine design methodology.

 

Keywords    PMBLDC, Finite Element analysis, analytical model

 

چکیده    در این مقاله با بهره­گیری از یک روش تحلیلی، طراحی و بهینه سازی یک موتور جریان مستقیم بدون جاروبک برای کاربردهای سرعت متغییر ارایه شده است. برای دستیابی به مشخصات مورد نیاز، ابعاد فیزیکی ماشین با تابع هدف کاهش ریپل گشتاور با استفاده از روش RSM بهینه­سازی شده است. برای نشان دادن کارایی ساختار مورد مطالعه، ساختار BLDC پیشنهادی با یک ساختار مشابه ولی بدون آهنربای دائم مقایسه شده­است. نهایتا برای ارزیابی کارایی ساختار پیشنهادی و دقت پروسه طراحی روش آنالیز عددی المان محدود دو بعدی استفاده شده است. نتایج بدست آمده از آنالیز عددی دقت روش طراحی ساختار پیشنهادی را تصدیق می نماید.

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