高速齿轮动态传动误差的希尔伯特-黄变换分析

刘洋; 唐进元; 钱露露

doi:10.13433/j.cnki.1003-8728.2017.0403

高速齿轮动态传动误差的希尔伯特-黄变换分析

doi: 10.13433/j.cnki.1003-8728.2017.0403

1.
中南大学高性能复杂制造国家重点实验室, 长沙 410083

基金项目:

国家自然科学基金项目（51275530、51535012、51305462）资助

详细信息

作者简介:
刘洋(1991-),硕士,研究方向为齿轮动力学、信号处理,88562369@qq.com

通讯作者:
唐进元(联系人),教授,硕士,jytangcsu@163.com

计量
- 文章访问数: 175
- HTML全文浏览量: 29
- PDF下载量: 8
- 被引次数: 0
出版历程
- 收稿日期: 2015-08-26
- 刊出日期: 2017-04-05

Analyzing Dynamic Transmission Errors of a High-speed Gear with the Hilbert-Huang Transform

1.
State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China

摘要

摘要: 高速齿轮传动误差测量与分析是一个急需解决的难题。通过构建动态传动误差测量系统，测得高速齿轮动态传动误差曲线，并将希尔伯特-黄变换（HHT）应用于高速齿轮动态传动误差信号分析，自适应得到高速齿轮动态传动误差信号不同频率成分的固有模态函数，分离出轴频分量和齿频分量，获得动态传动误差希尔伯特谱。为了验证HHT的可行性与正确性，利用快速傅立叶变换（FFT）对相同的传动误差信号进行频谱分析。结果表明：HHT在高速齿轮动态传动误差信号的分频、滤波方面都具有优越性；相比FFT，希尔伯特-黄变换能够很好的提取信号的高频特征，将传动误差信号各成分分离，分析结果更加精确。
- 高速齿轮 /
- 传动误差 /
- 希尔伯特-黄变换 /
- 频谱分析
Abstract: It is urgently necessary to measure and analyze the dynamic transmission error signals of a high-speed gear. The paper constructs a dynamic transmission error measurement system, from which the error curve is obtained and then the error curve is analyzed with the Hilbert-Huang Transform(HHT). The intrinsic mode functions of different frequency components of the dynamic transmission error signal is adaptively gained. Then we separate the axis frequency spectrum and tooth frequency spectrum and obtain the Hilbert spectrum of the error signal. To verify the feasibility and correctness of the error analysis method based on the HHT, we use the Fast Fourier Transform (FFT) to analyze the same transmission error signal. The analysis results show that the HHT is good at frequency spectrum division and filtering of the dynamic transmission error signal of high-speed gear. Compared with the FFT, it can accurately separate the frequency spectra of the transmission error signal, thus having more accurate analysis.
- high-speed gear /
- dynamic transmission error /
- Hilbert-Huang transform /
- frequency spectrum analysis

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参考文献(19)

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