CN109505741B - 一种基于矩形麦克风阵列的风力发电机破损叶片检测方法及装置 - Google Patents
一种基于矩形麦克风阵列的风力发电机破损叶片检测方法及装置 Download PDFInfo
- Publication number
- CN109505741B CN109505741B CN201811565195.9A CN201811565195A CN109505741B CN 109505741 B CN109505741 B CN 109505741B CN 201811565195 A CN201811565195 A CN 201811565195A CN 109505741 B CN109505741 B CN 109505741B
- Authority
- CN
- China
- Prior art keywords
- abnormal sound
- microphone array
- driven generator
- wind driven
- sound signal
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 230000002159 abnormal effect Effects 0.000 claims abstract description 85
- 230000005236 sound signal Effects 0.000 claims abstract description 65
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000001228 spectrum Methods 0.000 claims abstract description 17
- 230000000737 periodic effect Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000003595 spectral effect Effects 0.000 claims description 5
- 238000009432 framing Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
命令名 | 命令头 | 备注 |
开始工作 | 0x0011 | 无命令体 |
暂停工作 | 0x0021 | 无命令体 |
Sample 0 | Sample 1 | Sample 2 | … | Sample 16 | Sample 17 | …… |
CH1Data 0 | CH2Data 0 | CH3Data 0 | … | CH1Data 1 | CH2Data 1 | …… |
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811565195.9A CN109505741B (zh) | 2018-12-20 | 2018-12-20 | 一种基于矩形麦克风阵列的风力发电机破损叶片检测方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811565195.9A CN109505741B (zh) | 2018-12-20 | 2018-12-20 | 一种基于矩形麦克风阵列的风力发电机破损叶片检测方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109505741A CN109505741A (zh) | 2019-03-22 |
CN109505741B true CN109505741B (zh) | 2020-07-10 |
Family
ID=65754009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811565195.9A Active CN109505741B (zh) | 2018-12-20 | 2018-12-20 | 一种基于矩形麦克风阵列的风力发电机破损叶片检测方法及装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109505741B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111306008B (zh) * | 2019-12-31 | 2022-03-11 | 远景智能国际私人投资有限公司 | 风机叶片的检测方法、装置、设备及存储介质 |
CN112727703B (zh) * | 2020-12-15 | 2022-02-11 | 北京天泽智云科技有限公司 | 基于音频信号的风机叶片保护膜的损伤监测方法及*** |
CN112926626B (zh) * | 2021-01-28 | 2022-06-24 | 浙江大学 | 基于稀疏贝叶斯学习与功率谱分离的风机叶片故障检测方法 |
CN113883015B (zh) * | 2021-11-11 | 2022-05-13 | 北京协合运维风电技术有限公司 | 一种风力发电机组叶片失效分析方法 |
CN114414038A (zh) * | 2022-01-26 | 2022-04-29 | 歌尔科技有限公司 | 马达模组的转动异音检测方法、装置、设备及介质 |
CN117929546B (zh) * | 2024-03-22 | 2024-06-14 | 南京土星视界科技有限公司 | 一种风力发电机在运叶片内部材料的早期损伤监测方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8077540B2 (en) * | 2008-06-13 | 2011-12-13 | The United States Of America As Represented By The Secretary Of The Navy | System and method for determining vector acoustic intensity external to a spherical array of transducers and an acoustically reflective spherical surface |
US8935164B2 (en) * | 2012-05-02 | 2015-01-13 | Gentex Corporation | Non-spatial speech detection system and method of using same |
CN103856866B (zh) * | 2012-12-04 | 2019-11-05 | 西北工业大学 | 低噪微分麦克风阵列 |
CN103592628A (zh) * | 2013-11-12 | 2014-02-19 | 上海大学 | 一种基于球谐域实值权重波束形成的多声源定位方法 |
CN103811020B (zh) * | 2014-03-05 | 2016-06-22 | 东北大学 | 一种智能语音处理方法 |
CN105957536B (zh) * | 2016-04-25 | 2019-11-12 | 深圳永顺智信息科技有限公司 | 基于通道聚合度频域回声消除方法 |
DE102017001357A1 (de) * | 2017-02-10 | 2018-08-16 | Dieter Frey | Akustische Überwachung einer Windenergieanlage, um Eisanhaftung an den Rotorblättern zu erkennen. |
-
2018
- 2018-12-20 CN CN201811565195.9A patent/CN109505741B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN109505741A (zh) | 2019-03-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109505741B (zh) | 一种基于矩形麦克风阵列的风力发电机破损叶片检测方法及装置 | |
WO2018001147A1 (zh) | 一种基于优化张紧弦模型的桥索监测方法及*** | |
CN106840375B (zh) | 一种涡轮增压机异常噪声测试方法及其装置 | |
CN107644650B (zh) | 一种基于渐进串行正交化盲源分离算法的改进声源定位方法及其实现*** | |
US20190271295A1 (en) | Wind turbine noise analysis and control | |
CN113298134B (zh) | 一种基于bpnn的风机叶片远程非接触健康监测***和方法 | |
US20190032641A1 (en) | Method for monitoring a wind turbine | |
CN112727710B (zh) | 一种基于音频信号的风场落雷密度统计方法及*** | |
CN101718582A (zh) | 风力发电机组音调测试方法 | |
CN112557510A (zh) | 混凝土路面脱空智能检测装置及其检测方法 | |
CN109477461A (zh) | 风力涡轮机噪声的分析 | |
CN113674763A (zh) | 利用线谱特性的鸣笛声识别方法及***、设备与存储介质 | |
CN104568132B (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 | |
CN116229991A (zh) | 基于mfcc语音特征提取与机器学习的电机故障诊断方法 | |
CN109558041B (zh) | 基于gpu加速的叶尖间隙信号采集、处理和传输方法 | |
KR101749646B1 (ko) | 고기동 비행체 시스템의 음파 및 진동 스펙트럼 계측 장치 | |
CN112782421B (zh) | 一种基于音频的转速识别方法 | |
CN116839883B (zh) | 一种基于声纹识别的铁塔螺丝松动诊断方法及装置 | |
CN205139360U (zh) | 旋翼飞行器预警装置 | |
CN107547981A (zh) | 一种集音装置、监控装置及集音方法 | |
CN106153363A (zh) | 一种基于声像监测的机械设备故障自动识别方法 | |
CN214796752U (zh) | 一种基于声纹识别和声源定位的工程车辆识别定位装置 | |
CN110146276B (zh) | 一种基于无线传感器的索力与抗弯刚度监测方法及*** | |
CN111505581B (zh) | 一种基于分布式传感器节点的被动目标检测方法 | |
CN114639398A (zh) | 一种基于麦克风阵列的宽带doa估计方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Cheng Zefeng Inventor after: Li Xiaolei Inventor after: Fang Wensheng Inventor after: Pan Xiang Inventor after: Qiu Jianjun Inventor after: Shen Yining Inventor after: Zhang Yehui Inventor after: Lou Chenlu Inventor after: Zhang Jie Inventor before: Cheng Zefeng Inventor before: Pan Xiang Inventor before: Shen Yining Inventor before: Zhang Yehui Inventor before: Lou Chenlu Inventor before: Zhang Jie |
|
GR01 | Patent grant | ||
GR01 | Patent grant |