GB2520628B - Abnormal sound detection system - Google Patents

Abnormal sound detection system Download PDF

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Publication number
GB2520628B
GB2520628B GB1419256.1A GB201419256A GB2520628B GB 2520628 B GB2520628 B GB 2520628B GB 201419256 A GB201419256 A GB 201419256A GB 2520628 B GB2520628 B GB 2520628B
Authority
GB
United Kingdom
Prior art keywords
detection system
abnormal sound
sound detection
abnormal
sound
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.)
Expired - Fee Related
Application number
GB1419256.1A
Other versions
GB201419256D0 (en
GB2520628A (en
Inventor
Minemura Kesaaki
Yuda Shinya
Saeki Takashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB201419256D0 publication Critical patent/GB201419256D0/en
Publication of GB2520628A publication Critical patent/GB2520628A/en
Application granted granted Critical
Publication of GB2520628B publication Critical patent/GB2520628B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
GB1419256.1A 2012-07-25 2012-07-25 Abnormal sound detection system Expired - Fee Related GB2520628B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/068755 WO2014016914A1 (en) 2012-07-25 2012-07-25 Abnormal noise detection system

Publications (3)

Publication Number Publication Date
GB201419256D0 GB201419256D0 (en) 2014-12-10
GB2520628A GB2520628A (en) 2015-05-27
GB2520628B true GB2520628B (en) 2020-03-11

Family

ID=49996750

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1419256.1A Expired - Fee Related GB2520628B (en) 2012-07-25 2012-07-25 Abnormal sound detection system

Country Status (4)

Country Link
JP (1) JP5948418B2 (en)
CN (1) CN104380063B (en)
GB (1) GB2520628B (en)
WO (1) WO2014016914A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104907132B (en) * 2015-06-01 2017-10-03 遵义市立新机械有限责任公司 A kind of hammer mill audio monitoring system
CN106023499B (en) * 2016-04-28 2018-05-22 北京北邮国安技术股份有限公司 A kind of dual recognition methods of optical fiber security signal and system
CN106531193B (en) * 2016-10-31 2019-09-17 济南中维世纪科技有限公司 A kind of abnormal sound detection method that ambient noise is adaptive and system
JP2019164107A (en) * 2018-03-20 2019-09-26 本田技研工業株式会社 Abnormal sound determination device and determination method
GB2576309A (en) * 2018-08-10 2020-02-19 Green Running Ltd Systems and methods for condition monitoring
CN109556818A (en) * 2018-12-03 2019-04-02 济南大学 A kind of method and system of the measurement material collisional damping coefficient based on sound calibration
CN112233692A (en) * 2020-09-28 2021-01-15 东莞市东纳通信有限公司 Abnormal sound detection method and device, electronic equipment and storage medium
CN115035913B (en) * 2022-08-11 2022-11-11 合肥中科类脑智能技术有限公司 Sound abnormity detection method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10504107A (en) * 1994-08-15 1998-04-14 モニタリング テクノロジー コーポレイション Digital signal processing of encoder signals for detecting resonance of rotating machinery
JP2012510585A (en) * 2008-11-28 2012-05-10 スネクマ Aircraft engine abnormality detection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4247195B2 (en) * 2005-03-23 2009-04-02 株式会社東芝 Acoustic signal processing apparatus, acoustic signal processing method, acoustic signal processing program, and recording medium recording the acoustic signal processing program
JP2010030356A (en) * 2008-07-25 2010-02-12 Fujitsu Ltd Door opening detection device, microphone device, door opening detection program, and door opening detection method
CN100595548C (en) * 2008-09-05 2010-03-24 华南理工大学 Automotive engine fault diagnosis system and method based on sparse expression
JP5452158B2 (en) * 2009-10-07 2014-03-26 株式会社日立製作所 Acoustic monitoring system and sound collection system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10504107A (en) * 1994-08-15 1998-04-14 モニタリング テクノロジー コーポレイション Digital signal processing of encoder signals for detecting resonance of rotating machinery
JP2012510585A (en) * 2008-11-28 2012-05-10 スネクマ Aircraft engine abnormality detection

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KESAAKI MINEMURA ET AL.: 'Spectral Signal Representation of Vowels Using Power Series Expansion and Its Zeros' THE TRANSACTIONS OF THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS A vol. J93-A, no. 12, 01 December 2010, pages 833 - 834 *
TAKASHI MANABE ET AL.: 'Reverberation phase and zeros in a 1-D and 2-D sound fields' IEICE TECHNICAL REPORT. EA, ENGINEERING ACOUSTICS vol. 95, no. 433, 15 December 1995, pages 23 - 28 *

Also Published As

Publication number Publication date
JPWO2014016914A1 (en) 2016-07-07
CN104380063B (en) 2017-04-12
WO2014016914A1 (en) 2014-01-30
JP5948418B2 (en) 2016-07-06
CN104380063A (en) 2015-02-25
GB201419256D0 (en) 2014-12-10
GB2520628A (en) 2015-05-27

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