一种新型高速无刷直流电机模糊动态观测器

2013 IEEE XXXIII International Scientific Conference Electronics and Nanotechnology (ELNANO) Pub Date : 2013-04-16 DOI:10.1109/ELNANO.2013.6552019

M. Divandari, F. Shahsavari, M. Rezaeimoghadam, A. Dadpour

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引用次数: 3

摘要

本文研究了一种基于模糊动态观测器的高性能无刷直流电动机驱动。FDO作用于电机电流，并通过模糊逻辑控制(FLC)估计电流、转子位置和转速来校正其增益。FLC是通过实时校正增益的FDO。采用PI速度控制，处理时间短，控制速度快。为了降低模型的复杂性，在简化的机械模型中假定反电动势为梯形。利用MATLAB/SIMULINK软件对高速无刷直流电机模型进行了仿真。仿真结果表明，在考虑高速的情况下，所提出的驱动能较好地估计转子位置和转速。仿真结果表明，将模糊逻辑应用于高速无刷直流电动机具有可靠性高、计算速度快和良好的动态性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A novel Fuzzy dynamic observer for high speed BLDC motor

In this paper, a high performance brushless DC (BLDC) motor drive based on a fuzzy dynamic observer (FDO) is investigated. The FDO acts on the motor current and its gains are corrected by estimating current, rotor position and speed by fuzzy logic control (FLC). FLC is correcting gain's FDO via real time. A PI speed control was chosen due to its low processing time and fast control. In order to reduce the model complexity, the back-EMF is assumed as being trapezoidal in a simplified machine model. The presented drive has been simulated by the MATLAB/SIMULINK software on the high speed BLDC motor model. Simulation results show that the proposed drive is able to estimate the rotor position and speed with high precision when high speeds are considered. Simulation results also show the reliability, fast computation and excellent dynamic performance with using fuzzy logic for high speed BLDC motor.

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来源期刊

2013 IEEE XXXIII International Scientific Conference Electronics and Nanotechnology (ELNANO)

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