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基于局部同步拟合和窄带解调的行星传动齿根裂纹故障检测

华健翔 郭瑜 陈鑫 樊家伟 尹兴超

华健翔, 郭瑜, 陈鑫, 等. 基于局部同步拟合和窄带解调的行星传动齿根裂纹故障检测[J]. 航空动力学报, 2023, 38(12):3000-3008 doi: 10.13224/j.cnki.jasp.20220012
引用本文: 华健翔, 郭瑜, 陈鑫, 等. 基于局部同步拟合和窄带解调的行星传动齿根裂纹故障检测[J]. 航空动力学报, 2023, 38(12):3000-3008 doi: 10.13224/j.cnki.jasp.20220012
HUA Jianxiang, GUO Yu, CHEN Xin, et al. Tooth root crack fault detection of planetary transmission based on local synchronous fitting and narrowband demodulation[J]. Journal of Aerospace Power, 2023, 38(12):3000-3008 doi: 10.13224/j.cnki.jasp.20220012
Citation: HUA Jianxiang, GUO Yu, CHEN Xin, et al. Tooth root crack fault detection of planetary transmission based on local synchronous fitting and narrowband demodulation[J]. Journal of Aerospace Power, 2023, 38(12):3000-3008 doi: 10.13224/j.cnki.jasp.20220012

基于局部同步拟合和窄带解调的行星传动齿根裂纹故障检测

doi: 10.13224/j.cnki.jasp.20220012
基金项目: 国家自然科学基金(52165067); 云南省重点领域科技计划项目(202002AC080001)
详细信息
    作者简介:

    华健翔(1995-),男,硕士生,主要研究方向为旋转机械故障特征提取。E-mail:2512111319@qq.com

    通讯作者:

    郭瑜(1971-),男,教授、博士生导师,博士,主要研究方向为振动信号分析、旋转机械故障特征提取。E-mail:kmgary@163.com

  • 中图分类号: V240.2;TH17

Tooth root crack fault detection of planetary transmission based on local synchronous fitting and narrowband demodulation

  • 摘要:

    为实现较少旋转圈数工况下的行星传动齿轮故障检测,本文提出一种基于局部同步拟合和窄带解调的行星传动齿根裂纹故障检测方法。该方法首先对行星齿轮箱振动信号进行角域重采样,再采用局部同步拟合方法估计出确定性分量;随后,由研究中提出的啮合谐波能量比最大准则自动选择包含齿轮故障信息最丰富的滤波阶次频带,并进行窄带解调;最后,通过幅值解调和相位解调揭示齿轮故障特征。实验和对比结果表明:该方法可以有效检测出齿根裂纹引起的周期性幅值和相位突变,且所需数据量较传统的加窗同步平均方法更少,在少转数工况下的齿根裂纹故障检测具有一定的优势。

     

  • 图 1  基于局部同步拟合和窄带解调的行星传动齿根裂纹故障检测流程图

    Figure 1.  Flowchart of tooth root crack fault detection of planetary transmission based on local synchronous fitting and narrowband demodulation

    图 2  太阳轮故障仿真信号

    Figure 2.  Simulated signal of sun gear fault

    图 3  太阳轮故障仿真信号特征提取

    Figure 3.  Feature extraction of simulated sun gear fault

    图 4  行星轮故障仿真信号

    Figure 4.  Simulated signal of plant gear fault

    图 5  行星轮故障仿真信号特征提取

    Figure 5.  Feature extraction of simulated plant gear fault

    图 6  行星减速器实验台

    Figure 6.  Planetary gearbox experiment rig

    图 7  单级行星减速器

    Figure 7.  Single stage planetary reducer

    图 8  齿轮故障

    Figure 8.  Gear fault

    图 9  太阳轮故障时域信号

    Figure 9.  Time domain signal of Sun gear fault

    图 10  太阳轮故障信号特征提取

    Figure 10.  Feature extraction of sun gear fault

    图 11  太阳轮故障信号加窗同步平均窄带解调结果

    Figure 11.  Narrowband demodulation results of windowed vibration separation of sun gear fault

    图 12  行星轮故障时域信号

    Figure 12.  Time domain signal of plant gear fault

    图 13  行星轮故障信号特征提取

    Figure 13.  Feature extraction of plant gear fault

    图 14  行星轮故障信号加窗同步平均信号的窄带解调结果

    Figure 14.  Narrowband demodulation results of windowed vibration separation of plant gear fault

    表  1  行星减速器参数

    Table  1.   Parameters of example planetary reducer

    齿轮齿数径向变位系数
    行星轮Np (3个)200.754
    太阳轮Ns280.529
    齿圈Nr710.162
    下载: 导出CSV

    表  2  行星传动相关阶比

    Table  2.   Related orders of planetary transmission

    特征阶比阶比
    行星架旋转阶比Oc1
    啮合阶比Om71
    太阳轮故障阶比Os2.53
    行星轮故障阶比Op3.55
    下载: 导出CSV

    表  3  行星架旋转圈数比较

    Table  3.   Required cycles of planet carrier

    方法行星架旋转圈
    太阳轮行星轮
    局部同步拟合2.833.92
    加窗振动分离同步平均700500
    下载: 导出CSV
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  • 收稿日期:  2022-01-10
  • 网络出版日期:  2023-08-16

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