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论文:2017,Vol:35,Issue(2):208-212 |
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引用本文： |
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周勇, 米彦昭, 汪嘉瑶, 韩雁婷, 陈龙, 张超. 无位置传感器无刷直流电机位置检测与启动控制研究[J]. 西北工业大学学报 |
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Zhou Yong, Mi Yanzhao, Wang Jiayao, Han Yanting, Chen Long, Zhang Chao. Research on the Position Detection and Start Control for Sensorless Brushless DC Motor[J]. Northwestern polytechnical university |
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| 无位置传感器无刷直流电机位置检测与启动控制研究 |
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| 周勇, 米彦昭, 汪嘉瑶, 韩雁婷, 陈龙, 张超 |
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| 西北工业大学 航空学院, 陕西 西安 710072 |
| 摘要: |
| 针对无位置传感器无刷直流电机控制问题，提出利用反电动势过零检测法实现电机转子位置检测，并利用三段式启动法完成电机启动。将无刷电机三相绕组的端电压信号转换成数字信号，并推导出三相绕组端电压与未导通相反电动势的关系，通过计算解出反电动势的过零点。电机启动时先通过对指定相通电，确定转子的初始位置，进而由外同步加速状态切换到自同步状态。文章采用Labview软件搭建了电机启动控制系统仿真模型，最后通过仿真和试验验证了所提方案的有效性与可靠性。 |
| 关键词:
无位置传感器
无刷直流电机
转子位置
反电动势过零检测
三段式启动
Labview仿真
同步加速
实验设计
数字信号处理
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| Research on the Position Detection and Start Control for Sensorless Brushless DC Motor |
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| Zhou Yong, Mi Yanzhao, Wang Jiayao, Han Yanting, Chen Long, Zhang Chao |
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| School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China |
| Abstract: |
| To solve the problem of precise control for the sensorless Brushless DC Motor (BLDCM), the BEMF-crossing-zero detecting is in used to detect the rotor position, and a three-stage starting strategy is presented to start the motor in this paper. The terminal voltage signal of three-phase winding are converted into digital signal, and the relationship between the terminal voltage in the winding and the BEMF of the phase is derived. Then, the zero-crossing point of BEMF could be resolved. When the motor is beginning to start, a specified phase is break-over to find the initial position of the rotor. Then, the external-synchronous acceleration is switched to the self-synchronous acceleration. The simulation model of sensorless BLDCM is built based on LabVIEW. The results of simulation and the experiments verified the effectiveness and reliability of the strategy. |
| Key words:
sensorless
brushless DC motors
rotor position
BEMF-crossing-zero detecting
three-stage starting strategy
Labview simulation
synchronous acceleration
design of experiments
digital signal processors
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| 收稿日期: 2016-09-20
修回日期:
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| DOI: |
| 基金项目: 中央高校基本科研业务费资助项目（3102016ZY002）资助 |
| 通讯作者:
Email： |
| 作者简介: 周勇(1978-),西北工业大学副教授,主要从事电气工程及自动化研究。
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| 相关功能 |
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| 作者相关文章 |
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| 周勇 在本刊中的所有文章 |
| 米彦昭 在本刊中的所有文章 |
| 汪嘉瑶 在本刊中的所有文章 |
| 韩雁婷 在本刊中的所有文章 |
| 陈龙 在本刊中的所有文章 |
| 张超 在本刊中的所有文章 |
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参考文献: |
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[10] 邹继斌,江善林,张洪亮. 一种新型的无位置传感器无刷直流电机转子位置检测方法[J]. 电工技术学报, 2009(4):48-53 Zou Jibin, Jiang Shanlin, Zhang Hongliang. A Novel Method of Detecting for Rotor Position of a Sensorless Brushless DC Motor[J]. Trans of China Electrotechnical Society, 2009(4):48-53 (in Chinese) |
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