IN2015DN04150A - - Google Patents

Info

Publication number
IN2015DN04150A
IN2015DN04150A IN4150DEN2015A IN2015DN04150A IN 2015DN04150 A IN2015DN04150 A IN 2015DN04150A IN 4150DEN2015 A IN4150DEN2015 A IN 4150DEN2015A IN 2015DN04150 A IN2015DN04150 A IN 2015DN04150A
Authority
IN
India
Prior art keywords
related data
mechanical
vibration related
vibration
relationship
Prior art date
Application number
Other languages
English (en)
Inventor
Saar Yoskovitz
Gal Shaul
Original Assignee
Augury Systems Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=50486111&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IN2015DN04150(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Augury Systems Ltd filed Critical Augury Systems Ltd
Publication of IN2015DN04150A publication Critical patent/IN2015DN04150A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2481—Wireless probes, e.g. with transponders or radio links
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0283—Predictive maintenance, e.g. involving the monitoring of a system and, based on the monitoring results, taking decisions on the maintenance schedule of the monitored system; Estimating remaining useful life [RUL]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/04—Measuring characteristics of vibrations in solids by using direct conduction to the detector of vibrations which are transverse to direction of propagation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/04—Frequency
    • G01H3/08—Analysing frequencies present in complex vibrations, e.g. comparing harmonics present
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • 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
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/028—Acoustic or vibration analysis
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Automation & Control Theory (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
IN4150DEN2015 2012-10-22 2013-10-14 IN2015DN04150A (OSRAM)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/657,037 US9835594B2 (en) 2012-10-22 2012-10-22 Automatic mechanical system diagnosis
PCT/IL2013/050825 WO2014064678A1 (en) 2012-10-22 2013-10-14 Automatic mechanical system diagnosis

Publications (1)

Publication Number Publication Date
IN2015DN04150A true IN2015DN04150A (OSRAM) 2015-10-16

Family

ID=50486111

Family Applications (1)

Application Number Title Priority Date Filing Date
IN4150DEN2015 IN2015DN04150A (OSRAM) 2012-10-22 2013-10-14

Country Status (7)

Country Link
US (6) US9835594B2 (OSRAM)
EP (1) EP2909685B1 (OSRAM)
KR (1) KR102331565B1 (OSRAM)
IN (1) IN2015DN04150A (OSRAM)
PL (1) PL2909685T3 (OSRAM)
PT (1) PT2909685T (OSRAM)
WO (1) WO2014064678A1 (OSRAM)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9835594B2 (en) 2012-10-22 2017-12-05 Augury Systems Ltd. Automatic mechanical system diagnosis
US10156844B1 (en) 2012-11-30 2018-12-18 Discovery Sound Technology, Llc System and method for new equipment configuration and sound monitoring
US9971667B1 (en) 2012-11-30 2018-05-15 Discovery Sound Technology, Llc Equipment sound monitoring system and method
US10145761B1 (en) 2012-11-30 2018-12-04 Discovery Sound Technology, Llc Internal arrangement and mount of sound collecting sensors in equipment sound monitoring system
US9036892B2 (en) * 2012-12-31 2015-05-19 General Electric Company Systems and methods for data entry in a non-destructive testing system
WO2015173830A1 (en) * 2014-05-16 2015-11-19 Emerald Information Systems Ltd. Mobile monitoring system
EP3173763A4 (en) * 2014-07-18 2018-03-07 NTN Corporation Machine component diagnosis system and server thereof
DE102014010766A1 (de) * 2014-07-21 2016-01-21 Mtu Friedrichshafen Gmbh Verfahren und Anordnung zum Erfassen von Zustandsdaten sowie mobile Recheneinheit und technische Einrichtung
US20160291552A1 (en) * 2014-11-18 2016-10-06 Prophecy Sensors, Llc System for rule management, predictive maintenance and quality assurance of a process and machine using reconfigurable sensor networks and big data machine learning
DE102014225761A1 (de) * 2014-12-12 2016-06-16 Schunk Gmbh & Co. Kg Spann- Und Greiftechnik Automationskomponente, insbesondere Greif-, Schwenk- und/oder Bewegungsführungsvorrichtung, sowie zugehöriges Identifizierungssystem
US10667023B2 (en) 2015-05-21 2020-05-26 Armstrong International, Inc. Steam/hot water monitoring and control system
JP6522454B2 (ja) * 2015-07-28 2019-05-29 ローム株式会社 センサ情報無線送信装置
US9928696B2 (en) * 2015-12-30 2018-03-27 Immersion Corporation Externally-activated haptic devices and systems
US12276420B2 (en) 2016-02-03 2025-04-15 Strong Force Iot Portfolio 2016, Llc Industrial internet of things smart heating systems and methods that produce and use hydrogen fuel
JP7370704B2 (ja) 2016-02-23 2023-10-30 ジョン クレイン ユーケー リミティド メカニカルシステムの予測診断のためのシステム及び方法
US20190266812A1 (en) * 2016-03-04 2019-08-29 Vorbeck Materials Corp. Vehicular engine acoustic identification
CN106096154B (zh) * 2016-06-17 2019-05-28 北京信息科技大学 一种小波包时域信号流形学习故障诊断方法
US11016003B2 (en) 2016-11-17 2021-05-25 Ez Pulley Llc Systems and methods for detection and analysis of faulty components in a rotating pulley system
CA3020762C (en) 2016-12-02 2023-01-31 S.A. Armstrong Limited Performance parameterization of process equipment and systems
US11493379B2 (en) 2017-04-26 2022-11-08 Augury Systems Ltd. Systems and methods for monitoring of mechanical and electrical machines
US11070389B2 (en) 2017-10-23 2021-07-20 Johnson Controls Technology Company Building management system with automated vibration data analysis
CN108716463B (zh) * 2018-04-19 2020-04-28 合肥通用机械研究院有限公司 一种往复压缩机环状气阀的故障诊断方法
CN112703457A (zh) * 2018-05-07 2021-04-23 强力物联网投资组合2016有限公司 用于使用工业物联网进行数据收集、学习和机器信号流传输实现分析和维护的方法和系统
US20200133254A1 (en) 2018-05-07 2020-04-30 Strong Force Iot Portfolio 2016, Llc Methods and systems for data collection, learning, and streaming of machine signals for part identification and operating characteristics determination using the industrial internet of things
CN112334867A (zh) 2018-05-24 2021-02-05 纽约州立大学研究基金会 电容传感器
DE102018208285A1 (de) * 2018-05-25 2019-11-28 Robert Bosch Gmbh Verfahren zur akustischen Bewertung, Steuereinheit für ein Ultraschallbetriebsassistenzsystem, Ultraschallbetriebsassistenzsystem und Arbeitsvorrichtung
WO2020010005A1 (en) * 2018-07-02 2020-01-09 Micatu Inc. Devices and methods for monitoring safety cables
AU2019356507B2 (en) 2018-10-08 2025-04-03 John Crane Uk Limited Mechanical seal with sensor
CA3126601A1 (en) 2019-01-13 2020-07-16 Strong Force Iot Portfolio 2016, Llc Methods, systems, kits and apparatuses for monitoring and managing industrial settings
WO2020162465A1 (ja) * 2019-02-04 2020-08-13 旭化成株式会社 診断システム、診断装置、診断方法及び診断プログラム
US11188292B1 (en) 2019-04-03 2021-11-30 Discovery Sound Technology, Llc System and method for customized heterodyning of collected sounds from electromechanical equipment
US10850711B2 (en) * 2019-05-03 2020-12-01 Ford Global Technologies, Llc System and methods for exterior vehicle display and panel exciters
US11853047B2 (en) 2019-09-03 2023-12-26 Augury Systems Ltd. Sensor-agnostic mechanical machine fault identification
CN111198525B (zh) * 2020-01-03 2023-09-22 扬州海铭石油工程技术有限公司 一种基于油田现场设备运转音频监控系统及故障检测方法
JP7406382B2 (ja) * 2020-01-16 2023-12-27 三菱重工業株式会社 予兆検知装置及び予兆検知方法
KR102460185B1 (ko) * 2020-03-03 2022-10-31 (주)인피니어 전기 구동기의 이상 판단 장치
WO2021214796A1 (en) * 2020-04-25 2021-10-28 SARUP Gaurav A system and a method for monitoring automated manufacturing system
US11965859B1 (en) 2020-11-18 2024-04-23 Discovery Sound Technology, Llc System and method for empirical estimation of life remaining in industrial equipment
US11747362B2 (en) 2020-12-21 2023-09-05 Tdk Corporation Method and system for determining vibrations generated by a device
US12131592B2 (en) 2021-09-13 2024-10-29 The Mitre Corporation Acoustic health usage and monitoring system of mechanical automotive subsystems
CN113776838A (zh) * 2021-11-10 2021-12-10 盛瑞传动股份有限公司 一种齿轮调整方法、装置、设备及存储介质
WO2025121844A1 (ko) * 2023-12-08 2025-06-12 엘지전자 주식회사 에어노커 동작 진단 시스템 및 진단 방법

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783680A (en) * 1972-07-12 1974-01-08 Atomic Energy Commission Multipoint vibration monitoring system
US4885707A (en) 1987-02-19 1989-12-05 Dli Corporation Vibration data collecting and processing apparatus and method
DE4006152A1 (de) 1990-02-27 1991-08-29 Fraunhofer Ges Forschung Mikrominiaturisierte pumpe
US5847658A (en) * 1995-08-15 1998-12-08 Omron Corporation Vibration monitor and monitoring method
US6301514B1 (en) 1996-08-23 2001-10-09 Csi Technology, Inc. Method and apparatus for configuring and synchronizing a wireless machine monitoring and communication system
US5995910A (en) * 1997-08-29 1999-11-30 Reliance Electric Industrial Company Method and system for synthesizing vibration data
US6199018B1 (en) 1998-03-04 2001-03-06 Emerson Electric Co. Distributed diagnostic system
DK1088211T3 (da) 1998-04-17 2003-10-20 Siemens Ag Akustisk diagnosesystem og -fremgangsmåde
US6484109B1 (en) 1998-05-20 2002-11-19 Dli Engineering Coporation Diagnostic vibration data collector and analyzer
US7308322B1 (en) 1998-09-29 2007-12-11 Rockwell Automation Technologies, Inc. Motorized system integrated control and diagnostics using vibration, pressure, temperature, speed, and/or current analysis
DE19933924A1 (de) 1999-04-29 2000-11-02 Loher Ag Mikrosystem zur lokalen Zustandsüberwachung und Zustandsdiagnose von Maschinen, Anlagen und/oder Baugruppen, insbesondere von Antriebssystemen
US7085684B2 (en) * 2000-07-04 2006-08-01 Asahi Kasei Engineering Corporation System for diagnosing a facility apparatus
FR2816887B1 (fr) 2000-11-20 2003-03-14 Dufournier Technologies Procede et dispositif detecteur d'usure des pneumatiques ou bandes de roulement et surfaces ou zones d'usure analogues
DE10065314B4 (de) 2000-12-30 2007-08-16 Igus - Innovative Technische Systeme Gmbh Verfahren und Einrichtung zur Überwachung des Zustandes von Rotorblättern an Windkraftanlagen
US20050049834A1 (en) * 2001-02-27 2005-03-03 Bottomfield Roger L. Non-invasive system and method for diagnosing potential malfunctions of semiconductor equipment components
JP3729105B2 (ja) * 2001-08-30 2005-12-21 スズキ株式会社 振動計測装置及び方法並びに振動計測用プログラム
US6834256B2 (en) 2002-08-30 2004-12-21 General Electric Company Method and system for determining motor reliability
GB0221638D0 (en) 2002-09-17 2002-10-30 Ibm Device system and method for predictive failure analysis
US6685638B1 (en) 2002-12-23 2004-02-03 Codman & Shurtleff, Inc. Acoustic monitoring system
US7027953B2 (en) * 2002-12-30 2006-04-11 Rsl Electronics Ltd. Method and system for diagnostics and prognostics of a mechanical system
SE526507C2 (sv) * 2003-06-05 2005-09-27 Metso Paper Inc Förfarande och system för övervakning av ett lager i en roterande maskin
US6925879B2 (en) * 2003-09-30 2005-08-09 Spx Corporation Vibration analyzer and method
US7225108B2 (en) * 2004-12-06 2007-05-29 Caterpillar Inc Cross correlation diagnostics tool for vibration analysis
US7379718B2 (en) 2004-12-20 2008-05-27 Marvell World Trade Ltd. Method and apparatus to manage power consumption of a semiconductor device
US7844558B2 (en) 2006-10-05 2010-11-30 Siemens Corporation Incremental learning of nonlinear regression networks for machine condition monitoring
US7817845B2 (en) 2006-12-29 2010-10-19 General Electric Company Multi-frequency image processing for inspecting parts having complex geometric shapes
US7538663B2 (en) 2007-01-26 2009-05-26 Csi Technology, Inc. Enhancement of periodic data collection by addition of audio data
US20090037206A1 (en) * 2007-07-31 2009-02-05 Brian Dara Byrne Method of forecasting maintenance of a machine
US8095324B2 (en) 2008-06-26 2012-01-10 Pratt & Whitney Canada Corp. Permanent magnet rotor crack detection
US20100049343A1 (en) 2008-08-25 2010-02-25 International Business Machines Corporation Non-intrusive acoustic monitoring for equipment diagnostic and fault reporting
US8332337B2 (en) 2008-10-17 2012-12-11 Lockheed Martin Corporation Condition-based monitoring system for machinery and associated methods
US20100300683A1 (en) 2009-05-28 2010-12-02 Halliburton Energy Services, Inc. Real Time Pump Monitoring
WO2011060424A1 (en) 2009-11-16 2011-05-19 Nrg Systems, Inc. Data acquisition system for condition-based maintenance
EP2585716B1 (en) 2010-06-28 2020-08-19 Vestas Wind Systems A/S A method for performing condition monitoring in a wind farm
DE102011100611A1 (de) 2011-05-05 2011-11-10 Daimler Ag Vorrichtung und Verfahren zum Bestimmen eines Funktionszustands eines Lagers
US20120053984A1 (en) 2011-08-03 2012-03-01 Kamal Mannar Risk management system for use with service agreements
US20130291657A1 (en) 2012-04-02 2013-11-07 Ashish S. Purekar Apparatus and method for non contact sensing of forces and motion on rotating shaft
US9835594B2 (en) 2012-10-22 2017-12-05 Augury Systems Ltd. Automatic mechanical system diagnosis
WO2014158410A1 (en) 2013-03-13 2014-10-02 Applied Materials, Inc Acoustically-monitored semiconductor substrate processing systems and methods
US8869281B2 (en) 2013-03-15 2014-10-21 Shape Security, Inc. Protecting against the introduction of alien content
US9778080B2 (en) 2013-04-29 2017-10-03 Emerson Electric (Us) Holding Corporation (Chile) Limitada Selective decimation and analysis of oversampled data
US10126449B2 (en) 2013-07-22 2018-11-13 Ent. Services Development Corporation Lp Presenting data in a scalable format
EP3102959A4 (en) 2014-02-07 2017-10-04 Nidec Motor Corporation Systems, devices, and methods for motor monitoring
US20160245686A1 (en) 2015-02-23 2016-08-25 Biplab Pal Fault detection in rotor driven equipment using rotational invariant transform of sub-sampled 3-axis vibrational data
US10478937B2 (en) 2015-03-05 2019-11-19 Applied Materials, Inc. Acoustic emission monitoring and endpoint for chemical mechanical polishing

Also Published As

Publication number Publication date
WO2014064678A1 (en) 2014-05-01
US11579122B2 (en) 2023-02-14
PT2909685T (pt) 2022-05-06
EP2909685A1 (en) 2015-08-26
KR20150107713A (ko) 2015-09-23
US20230213486A1 (en) 2023-07-06
US10330647B2 (en) 2019-06-25
EP2909685A4 (en) 2016-09-14
US20210270778A1 (en) 2021-09-02
PL2909685T3 (pl) 2022-05-09
US20250012762A1 (en) 2025-01-09
KR102331565B1 (ko) 2021-11-29
US20190323996A1 (en) 2019-10-24
US20180120265A1 (en) 2018-05-03
US10983097B2 (en) 2021-04-20
US9835594B2 (en) 2017-12-05
EP2909685B1 (en) 2022-01-26
US20140114612A1 (en) 2014-04-24

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