|本期目录/Table of Contents|

[1]倪有源,余长城,陈浩. 基于端电压平均值和准滑模观测器的无刷直流电机控制[J].电机与控制学报,2019,23(05):34-41+50.[doi:10.15938/j.emc.2019.05.005]
 NI You-yuan,YU Chang-cheng,CHEN Hao. Control of BLDC motor based on average terminal voltage and quasi sliding mode[J].,2019,23(05):34-41+50.[doi:10.15938/j.emc.2019.05.005]
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 基于端电压平均值和准滑模观测器的无刷直流电机控制
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
23
期数:
2019年05
页码:
34-41+50
栏目:
出版日期:
2019-05-15

文章信息/Info

Title:
 Control of BLDC motor based on average terminal voltage and quasi sliding mode
作者:
 倪有源12 余长城1 陈浩1
 ( 1. 合肥工业大学电气与自动化工程学院,合肥230009;2. 安徽大学高节能电机及控制技术国家地方联合工程实验室,合肥230601)
Author(s):
 NI You-yuan12 YU Chang-cheng1 CHEN Hao1
 ( 1. School of Electrical Engineering,Hefei University of Technology,Hefei 230009,China; 2. National Engineering Laboratory of Energy-saving Motor & Control Technique,Anhui University,Hefei 230601,China)
关键词:
 无位置传感器控制 无刷直流电机 端电压平均值 线反电势 准滑模观测器
Keywords:
sensorless control brushless DC motor average terminal voltage line back electromotive force quasi sliding mode observer
分类号:
TM 351
DOI:
10.15938/j.emc.2019.05.005
文献标志码:
A
摘要:
  无位置传感器控制是未来的发展趋势。为了提高无刷直流电机无位置传感器控制系统的精确度,提出了一种基于端电压平均值的线反电势准滑模观测器。为了减小传统滑模观测器存在的抖振,该观测器引入一种具有边界层的饱和函数,并采样端电压的平均值。该控制策略不需要滤波电路和相位补偿模块就能得到线反电势,而且以线反电势作为换相信号能消除以相反电势作为换相信号滞后30°电角度的问题。通过得到的线反电势对应虚拟的霍尔信号从而确定换相信号。与传统的滑模控制方法相比,该方法具有转矩脉动小、响应速度快等优点。仿真和实验结果证明了该方法的可行性和正确性。
Abstract:
Sensorless control is the trend of development in the future. In order to improve the accuracy of a sensorless brushless DC ( BLDC) motor control system,based on an average terminal voltage,a quasi sliding mode observer with a line back electromotive force ( EMF) was proposed. To reduce chattering in the traditional sliding mode observer,a saturation function with boundary layer was employed and the average terminal voltage was sampled. In the control strategy,line back EMF without filter circuit and phase compensation module were obtained,and by using of the line back EMF as commutation signal the problem of phase back EMF as commutation signal lagging 30° electrical degree was eliminated with the actual commutation signal. The virtual hall signals corresponding the line back EMF determine the commutation
signals. Compared with the traditional sliding mode control method,the proposed method can be used to obtain low torque ripple and fast response speed. The simulation and experiment results show that the proposed method is effective and correct .

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2017 - 02 - 22
基金项目: 国家自然科学基金( 51637001) ; 安徽省自然科学基金( 1508085ME89)
作者简介: 倪有源( 1976—) ,男,博士,副教授,研究方向为特种电机设计及控制;
余长城( 1991—) ,男,硕士,研究方向为无刷直流电机控制;
陈浩( 1989—) ,男,硕士,研究方向为无刷直流电机控制。
通信作者: 倪有源
更新日期/Last Update: 2019-06-29