A phase variable model of brushless dc motors based on finite element analysis and its coupling with external circuits
作者： O.A. Mohammed , S. Liu , Z. Liu
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摘要: This paper presents a fast and accurate brushless dc motor (BLDC) phase variable model for drive system simulations. The developed was built based on nonlinear transient finite-element analysis to obtain the inductances, back electromotive force as well cogging torque. implemented in Simulink environment through creation of an adjustable inductance component account dependence inductances rotor position. Since no dq BLDC actually exists, significance this work is that it provides equivalent circuit motors utilization simulation environments. Using model, sensorless control torque ripple issues were investigated results show its practical effectiveness.
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