| 基于希尔伯特-黄变换的车用逆变器开路故障检测方法 |
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| 引用本文： | 陈涛.基于希尔伯特-黄变换的车用逆变器开路故障检测方法[J].科学技术与工程,2013,13(9):2367-2370,2386. |
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| 作者姓名： | 陈涛 |
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| 作者单位： | 河南工程学院 |
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| 基金项目： | 河南省科技厅技术攻关项目（122102210422） |
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| 摘 要： | 针对车用变频驱动系统中逆变器开路故障,采用直流侧电流频谱作为故障特征量进行故障诊断;并引入希尔伯特-黄变换(HHT)作为频谱分析工具,将该方法延伸到非平稳信号的频谱分析中。通过对稳态、动态两种工况下单管开路故障和单相开路故障两种故障模式的研究,结果表明:该方法能够在稳态和动态工况下可靠提取出直流侧电流信号中隐含的故障特征量,适用于车用工况。
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| 关 键 词： | 直流侧电流 希尔伯特-黄变换 逆变器 故障检测 |
| 收稿时间： | 11/7/2012 9:08:17 PM |
| 修稿时间： | 2012/12/10 0:00:00 |
Inverter-Fault Detection methods based on Hilbert-Huang Transform |
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| CHEN Tao.Inverter-Fault Detection methods based on Hilbert-Huang Transform[J].Science Technology and Engineering,2013,13(9):2367-2370,2386. |
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| Authors: | CHEN Tao |
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| Institution: | (School of Electrical Information Engineering,Henan Institute of Engineering,Zhengzhou 451191,P.R.China) |
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| Abstract: | This paper presents a study on inverter faults of variable frequency speed control system used in electric vehicles, including single power device open circuit fault and one phase missing fault, based on DC side current and Hilbert-Huang Transform (HHT). Simulation on both stable state and dynamic operation condition has been carried out. The results show that this method can effectively extract the fault indications from DC side current for both stable state and dynamic operation condition, and it is suitable for car conditions. |
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| Keywords: | DC side current Hilbert-Huang inverter Fault detection |
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