JPS5764126A - Oscillation detecting apparatus - Google Patents

Oscillation detecting apparatus

Info

Publication number
JPS5764126A
JPS5764126A JP55139860A JP13986080A JPS5764126A JP S5764126 A JPS5764126 A JP S5764126A JP 55139860 A JP55139860 A JP 55139860A JP 13986080 A JP13986080 A JP 13986080A JP S5764126 A JPS5764126 A JP S5764126A
Authority
JP
Japan
Prior art keywords
sound
oscillation
noise
signal
average
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.)
Granted
Application number
JP55139860A
Other languages
English (en)
Japanese (ja)
Other versions
JPS646685B2 (enrdf_load_stackoverflow
Inventor
Yuji Hashimoto
Katsumi Kawai
Mitsuo Suzuki
Yoshihiro Michiguchi
Shigeru Ideumi
Kimio Yamada
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.)
Chugoku Electric Power Co Inc
Chubu Electric Power Co Inc
Hitachi Ltd
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Chugoku Electric Power Co Inc
Chubu Electric Power Co Inc
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 Tokyo Electric Power Co Inc, Chugoku Electric Power Co Inc, Chubu Electric Power Co Inc, Hitachi Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP55139860A priority Critical patent/JPS5764126A/ja
Publication of JPS5764126A publication Critical patent/JPS5764126A/ja
Publication of JPS646685B2 publication Critical patent/JPS646685B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01H1/06—Frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
JP55139860A 1980-10-08 1980-10-08 Oscillation detecting apparatus Granted JPS5764126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55139860A JPS5764126A (en) 1980-10-08 1980-10-08 Oscillation detecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55139860A JPS5764126A (en) 1980-10-08 1980-10-08 Oscillation detecting apparatus

Publications (2)

Publication Number Publication Date
JPS5764126A true JPS5764126A (en) 1982-04-19
JPS646685B2 JPS646685B2 (enrdf_load_stackoverflow) 1989-02-06

Family

ID=15255218

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55139860A Granted JPS5764126A (en) 1980-10-08 1980-10-08 Oscillation detecting apparatus

Country Status (1)

Country Link
JP (1) JPS5764126A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102126A (ja) * 1982-12-06 1984-06-13 Babcock Hitachi Kk ル−スパ−ツ監視装置
JP2003066015A (ja) * 2001-08-21 2003-03-05 Ishikawajima Harima Heavy Ind Co Ltd アコーステックエミッション法における信号処理方法
JP2010243254A (ja) * 2009-04-02 2010-10-28 Toshiba Corp 原子炉振動監視方法および原子炉振動監視システム
JP2017090428A (ja) * 2015-11-02 2017-05-25 株式会社アイティマジック サウンド信号で診断信号を抽出する方法および診断装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59102126A (ja) * 1982-12-06 1984-06-13 Babcock Hitachi Kk ル−スパ−ツ監視装置
JP2003066015A (ja) * 2001-08-21 2003-03-05 Ishikawajima Harima Heavy Ind Co Ltd アコーステックエミッション法における信号処理方法
JP2010243254A (ja) * 2009-04-02 2010-10-28 Toshiba Corp 原子炉振動監視方法および原子炉振動監視システム
JP2017090428A (ja) * 2015-11-02 2017-05-25 株式会社アイティマジック サウンド信号で診断信号を抽出する方法および診断装置

Also Published As

Publication number Publication date
JPS646685B2 (enrdf_load_stackoverflow) 1989-02-06

Similar Documents

Publication Publication Date Title
JPS5653422A (en) Diagnosis device for bearing abnormality
DE3567298D1 (en) Differential pressure access detector
ES445837A1 (es) Un sistema indicador de humedad.
JPS5764126A (en) Oscillation detecting apparatus
JPS5537226A (en) Overload monitor for cutting operation
JPS56119359A (en) Discriminator of damage of tool
JPS54146676A (en) Acoustical measuring device
JPS6480858A (en) Method and device for detecting crack detection
JPS5494082A (en) Vibration monitoring recorder
JPS6425026A (en) Detecting apparatus of leakage of water
JPS55132950A (en) Defect detector
JPS5595860A (en) Ultrasonic flaw detector
JPS5672317A (en) Detector for knocking oscillation
JPS54108515A (en) Detector for signal defective period
JPS56126558A (en) Damage detector for cutting tool
JPS5676360A (en) Detector for tool failure
JPS57100362A (en) Ultrasonic wave measuring device
JPS5739367A (en) Video signal normalizing circuit of sonar device
JPS5565052A (en) Damage detector for cutting tool
JPS5470881A (en) Flaw generation monitor of member
JPS5529054A (en) Detecting method for scarfing and scarfing detector
JPS5689075A (en) Object detector
JPS5687835A (en) Detecting method for boiler tube leakage
JPS55124064A (en) Roll with damage detector
JPS57178427A (en) Monitoring circuit for oscillator output