无刷直流电动机有限元法与反电动势检测电路耦合分析

Y. Sim, N. Niguchi, K. Hirata, Cheong-worl Kim
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引用次数: 3

摘要

为了控制无传感器型无刷直流(BLDC)电机,各种反电动势(EMF)检测方法被广泛应用。在本研究中,将8极12槽无刷直流电机的有限元模型与两种相电压感应反电动势检测电路相耦合,以获得改进和更可靠的分析结果。通过这种耦合分析,可以同时分析电机的特性以及电路对电机的影响。这使得在未来设计高性能嵌入式电机控制器成为可能。对耦合分析结果进行了实验评价,验证了耦合分析的正确性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Coupled analysis of brushless DC motor using finite elements method & back electromotive force detecting electrical circuits
To control sensorless type Brushless DC (BLDC) motors, various back Electromotive Force (EMF) detecting methods have been widely used. In this research, a Finite Elements Method (FEM) model of an 8 pole 12 slot BLDC motor and two kinds of phase-voltage sensing back EMF detecting electrical circuits are coupled to achieve improved and more reliable analysis results. Through this coupled analysis, it becomes possible to analyze the characteristics of the motor and how the electrical circuit affects the motor at the same time. This makes it possible to design high performance embedded motor controllers in the future. An experimental evaluation of the coupled analysis results was also implemented to verify the coupled analysis.
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