CN106441895B - 一种列车轴承轨边信号冲击成分提取方法 - Google Patents
一种列车轴承轨边信号冲击成分提取方法 Download PDFInfo
- Publication number
- CN106441895B CN106441895B CN201610880487.6A CN201610880487A CN106441895B CN 106441895 B CN106441895 B CN 106441895B CN 201610880487 A CN201610880487 A CN 201610880487A CN 106441895 B CN106441895 B CN 106441895B
- Authority
- CN
- China
- Prior art keywords
- rail side
- small echo
- train
- transient state
- doppler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000605 extraction Methods 0.000 title abstract description 11
- 230000001052 transient effect Effects 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000004615 ingredient Substances 0.000 claims description 22
- 238000004422 calculation algorithm Methods 0.000 claims description 12
- 238000013507 mapping Methods 0.000 claims description 6
- 238000012952 Resampling Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000008570 general process Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000036541 health Effects 0.000 abstract description 4
- 230000000737 periodic effect Effects 0.000 abstract description 2
- 230000005236 sound signal Effects 0.000 abstract 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 238000003745 diagnosis Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010219 correlation analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610880487.6A CN106441895B (zh) | 2016-10-09 | 2016-10-09 | 一种列车轴承轨边信号冲击成分提取方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610880487.6A CN106441895B (zh) | 2016-10-09 | 2016-10-09 | 一种列车轴承轨边信号冲击成分提取方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106441895A CN106441895A (zh) | 2017-02-22 |
CN106441895B true CN106441895B (zh) | 2019-03-22 |
Family
ID=58173192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610880487.6A Active CN106441895B (zh) | 2016-10-09 | 2016-10-09 | 一种列车轴承轨边信号冲击成分提取方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106441895B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107345858B (zh) * | 2017-07-25 | 2018-08-14 | 安徽大学 | 一种列车轴承轨边信号冲击成分快速提取方法 |
CN107402131B (zh) * | 2017-08-03 | 2018-05-25 | 安徽大学 | 一种基于轨边声学信号时频脊线的高速列车运动参数识别方法 |
CN108061653B (zh) * | 2017-12-05 | 2019-11-05 | 安徽大学 | 基于谐波-冲击多普勒调制复合字典的列车轮对轴承轨边声信号分离方法 |
CN110740407B (zh) * | 2019-10-24 | 2020-11-24 | 安徽大学 | 一种基于双麦克风的列车轴承轨边声学信号主动降噪方法 |
CN111044140B (zh) * | 2019-12-31 | 2021-05-25 | 神州高铁技术股份有限公司 | 信号的获取方法、系统及存储介质、诊断方法、检测系统 |
CN112881744B (zh) * | 2021-02-08 | 2023-04-07 | 中科(湖南)先进轨道交通研究院有限公司 | 一种基于火车声音的火车测速与测向装置及其工作方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105241666B (zh) * | 2015-09-21 | 2017-10-20 | 华南理工大学 | 一种基于信号稀疏表示理论的滚动轴承故障特征提取方法 |
CN105424388B (zh) * | 2015-11-17 | 2018-11-02 | 苏州大学 | 一种基于参数化多普勒瞬态模型的列车轮对轴承故障瞬态特征检测方法 |
-
2016
- 2016-10-09 CN CN201610880487.6A patent/CN106441895B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN106441895A (zh) | 2017-02-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106441895B (zh) | 一种列车轴承轨边信号冲击成分提取方法 | |
CN108168891B (zh) | 滚动轴承微弱故障信号特征的提取方法及设备 | |
CN105424388B (zh) | 一种基于参数化多普勒瞬态模型的列车轮对轴承故障瞬态特征检测方法 | |
Liu et al. | Adaptive spectral kurtosis filtering based on Morlet wavelet and its application for signal transients detection | |
CN106872171B (zh) | 一种多普勒声学信号的自适应学习校正方法 | |
Yang | Interpretation of mechanical signals using an improved Hilbert–Huang transform | |
Li et al. | Railway wheel flat detection based on improved empirical mode decomposition | |
Li et al. | Research on test bench bearing fault diagnosis of improved EEMD based on improved adaptive resonance technology | |
Chen et al. | Generalized dispersive mode decomposition: Algorithm and applications | |
CN103018044B (zh) | 一种改进冲击字典匹配追踪算法的轴承复合故障诊断方法 | |
CN106546892A (zh) | 基于深度学习的局部放电超声音频识别方法及系统 | |
CN107345858B (zh) | 一种列车轴承轨边信号冲击成分快速提取方法 | |
CN101982943B (zh) | 基于时域重排的超声导波频散补偿与多模式分离方法 | |
Liu et al. | Doppler effect reduction based on time-domain interpolation resampling for wayside acoustic defective bearing detector system | |
CN103776903B (zh) | 一种风电叶片脱层检测方法及检测系统 | |
Wang et al. | Doppler Effect removal based on instantaneous frequency estimation and time domain re-sampling for wayside acoustic defective bearing detector system | |
CN105510066B (zh) | 基于自适应降噪算法的一类旋转机械系统故障诊断方法 | |
CN105674065A (zh) | 一种基于变模式分解的声发射管道漏点定位方法 | |
Diwu et al. | Collaborative double sparse period-group lasso for bearing fault diagnosis | |
CN105092711B (zh) | 一种基于卡尔曼滤波的钢轨裂纹声发射信号检测与去噪方法 | |
CN104568132A (zh) | 一种基于参考信号约束的机械特征声信号频域半盲提取方法 | |
CN117009744A (zh) | 一种超长距离铁路声波数据快速处理方法 | |
CN205262744U (zh) | 基于参数化多普勒瞬态模型的列车轮对轴承故障瞬态特征检测装置 | |
CN105021702A (zh) | 一种基于复倒谱的水声材料声反射系数自由场宽带测量方法 | |
CN108398267A (zh) | 一种高速列车轨边运动参数自适应识别方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Fang Inventor after: Fu Yangyang Inventor after: Xiao Yangyang Inventor after: Feng Wenqiang Inventor after: Chen Jing Inventor after: Liu Yongbin Inventor after: Lu Siliang Inventor after: Li Guoli Inventor after: Qian Qiang Inventor before: Liu Fang Inventor before: Fu Yangyang Inventor before: Liu Yongbin Inventor before: Lu Siliang Inventor before: Li Guoli Inventor before: Qian Qiang |