CN104655380B - 一种旋转机械设备故障特征提取方法 - Google Patents
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CN105021276A (zh) * | 2015-07-30 | 2015-11-04 | 珠海格力电器股份有限公司 | 电器故障诊断方法和装置及电器 |
CN105092241B (zh) * | 2015-08-10 | 2018-10-02 | 昆明理工大学 | 一种齿轮局部故障诊断方法及系统 |
CN105388012A (zh) * | 2015-10-22 | 2016-03-09 | 兰州理工大学 | 基于非线性调频小波变换的阶次跟踪方法 |
CN106053871A (zh) * | 2016-07-25 | 2016-10-26 | 昆明理工大学 | 一种通过滚动轴承滚道剥落故障对应冲击特征提取转速的方法 |
CN106769031B (zh) * | 2016-11-14 | 2019-03-26 | 西安交通大学 | 一种基于自相关零点计数的风机轴承阶变信号识别方法 |
CN106845429B (zh) * | 2017-02-06 | 2020-05-19 | 中国科学院、水利部成都山地灾害与环境研究所 | 振动信号分级判断识别方法、落石能量规模计算方法、落石危险预警方法 |
CN107192448B (zh) * | 2017-05-17 | 2023-04-07 | 苏交科集团股份有限公司 | 一种识别柔性绳索振动频率的宽带搜峰法 |
CN107036751B (zh) * | 2017-05-17 | 2022-09-23 | 苏交科集团股份有限公司 | 通过加权宽带搜峰识别振动频率的柔性绳索索力计算方法 |
CN107941510B (zh) * | 2017-10-19 | 2019-07-19 | 西安交通大学 | 基于等角度双重采样的滚动轴承故障特征的提取方法 |
CN108007548B (zh) * | 2017-12-01 | 2020-02-07 | 华能国际电力股份有限公司 | 一种通过扫频诊断设备故障的方法 |
CN108267218A (zh) * | 2018-03-08 | 2018-07-10 | 中国石油大学(北京) | 一种机械设备振动信号监测的自适应变采样方法及装置 |
CN109520738B (zh) * | 2018-10-25 | 2020-07-21 | 珠海市华星装备信息科技有限公司 | 基于阶次谱和包络谱的旋转机械滚动轴承故障诊断方法 |
CN110988676B (zh) * | 2019-11-25 | 2022-02-22 | 北京昊鹏智能技术有限公司 | 机械设备故障诊断方法、装置及存储介质 |
CN111272428B (zh) * | 2020-02-17 | 2022-03-15 | 济南大学 | 一种基于改进切比雪夫距离的滚动轴承故障诊断方法 |
CN115389190A (zh) * | 2020-09-21 | 2022-11-25 | 成都卓微科技有限公司 | 一种设备运行状态的诊断系统 |
CN112465068A (zh) * | 2020-12-15 | 2021-03-09 | 重庆忽米网络科技有限公司 | 一种基于多传感器数据融合的旋转设备故障特征提取方法 |
CN112666925B (zh) * | 2020-12-21 | 2022-09-27 | 中国北方发动机研究所(天津) | 柴油机车载诊断系统及其诊断方法 |
CN112781709A (zh) * | 2020-12-24 | 2021-05-11 | 上海核工程研究设计院有限公司 | 变速工况下设备振动信号早期故障分析和特征提取方法 |
CN113378678B (zh) * | 2021-06-01 | 2022-04-22 | 华中科技大学 | 一种用于机械运动系统的多域故障特征提取方法和系统 |
CN113465913A (zh) * | 2021-06-11 | 2021-10-01 | 电子科技大学 | 一种核电阀门的故障特征提取及优选方法 |
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JP2005233789A (ja) * | 2004-02-19 | 2005-09-02 | Nsk Ltd | 回転機械の異常診断方法、異常診断装置および異常診断システム |
CN102840907B (zh) * | 2012-09-18 | 2014-05-14 | 河南省电力公司电力科学研究院 | 早期故障状态下滚动轴承振动信号特征提取和分析方法 |
CN103018043A (zh) * | 2012-11-16 | 2013-04-03 | 东南大学 | 变转速轴承故障诊断方法 |
CN103499443B (zh) * | 2013-09-12 | 2016-01-20 | 西安交通大学 | 一种齿轮故障无键相角域平均计算阶次分析方法 |
CN104006962A (zh) * | 2014-05-08 | 2014-08-27 | 昆明理工大学 | 一种齿轮故障特征提取方法及系统 |
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