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论文:2019,Vol:37,Issue(6):1278-1284 |
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引用本文： |
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张希, 林辉. 无刷直流电机霍尔传感器故障诊断与补偿策略[J]. 西北工业大学学报 |
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ZHANG Xi, LIN Hui. Fault Diagnosis and Compensation Strategy of BLDC Motor Drives with Hall Sensors[J]. Northwestern polytechnical university |
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| 无刷直流电机霍尔传感器故障诊断与补偿策略 |
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| 张希, 林辉 |
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| 西北工业大学 自动化学院, 陕西 西安 710129 |
| 摘要: |
| 针对无刷直流电机霍尔位置传感器故障，提出了2种故障诊断方法，并进行了相应的补偿控制。首先，分析了电机正常运行过程中的霍尔信号序列特征，提出了以故障后霍尔信号序列特征作为诊断依据的故障诊断方法。同时，为实时检测发生在某些扇区的传感器故障，建立了基于滑模的超螺旋转速观测器，并将其与霍尔信号序列检测相结合，实现了高实时性的故障检测。在此基础上，以正常位置传感器信号作为基础，利用二阶转速预测信息和理想霍尔信号序列实时生成补偿霍尔信号，建立了故障信号的补偿控制器。最后，通过理论分析和实验验证了所提故障诊断与补偿策略的有效性，提高了无刷直流电机驱动系统的可靠性与安全性。 |
| 关键词:
无刷直流电机
霍尔位置传感器
故障诊断
超螺旋观测器
补偿策略
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| Fault Diagnosis and Compensation Strategy of BLDC Motor Drives with Hall Sensors |
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| ZHANG Xi, LIN Hui |
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| School of Automation, Northwestern Polytechnical University, Xi'an 710129 China |
| Abstract: |
| In a brushless DC motor drive system, two fault diagnosis methods were proposed in order to investigate the faults of Hall position sensors, and the corresponding compensation strategy was carried out. Firstly, the differences of Hall signal sequences during normal and fault situation of motor were analyzed, then a fault diagnosis method based on the characteristics of Hall signal sequences was proposed. In order to detect the faults of Hall position sensors in real time, a sliding mode-based super-twisting speed observer was established and combined with the Hall signal sequences. Under fault situations, the compensation controller was established, and a second-order speed prediction method was used to generate the compensation Hall signals of the faulty sensors. Finally, theoretical analysis and experiments demonstrate the effectiveness of the present fault diagnosis methods and compensation strategy. |
| Key words:
brushless DC motor
hall position sensors
fault diagnosis
super-twisting observer
compensation strategy
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| 收稿日期: 2018-12-20
修回日期:
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| DOI: 10.1051/jnwpu/20193761278 |
| 基金项目: 国家自然科学基金（51777170）与陕西省自然科学基础研究计划（2019JM-462）资助 |
| 通讯作者:
Email： |
| 作者简介: 张希(1991-),西北工业大学博士研究生,主要从事电机伺服控制与故障诊断研究。
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| 作者相关文章 |
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| 张希 在本刊中的所有文章 |
| 林辉 在本刊中的所有文章 |
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参考文献: |
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[2] JIANG Weidong, LIAO Yuming, WANG Jinping, et al. Improved Control of BLDCM Considering Commutation Torque Ripple and Commutation Time in Full Speed Range[J]. IEEE Trans on Power Electronics, 2018, 33(5):4249-4260
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[6] DONG Lianghui, HUANG Yingwei, JATSKEVICH, J, et al. Improred Fault-Tolerant Control for Brushless Permanent Magnet Motor Orives with Defecftive Hall Sensors[J]. IEEE Transactions on Energy Conversion, 2016, 31(2):789-799
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[11] MORENO J A, OSORIO M. Strict Lyapunov Functions for the Super-Twisting Algorithm[J]. IEEE Trans on Automatic Control, 2012, 57(4):1035-1040 |
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