JPH0145011B2 - - Google Patents
Info
- Publication number
- JPH0145011B2 JPH0145011B2 JP53055575A JP5557578A JPH0145011B2 JP H0145011 B2 JPH0145011 B2 JP H0145011B2 JP 53055575 A JP53055575 A JP 53055575A JP 5557578 A JP5557578 A JP 5557578A JP H0145011 B2 JPH0145011 B2 JP H0145011B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- acoustic
- histogram
- time
- rotation
- 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
Links
- 238000000034 method Methods 0.000 claims description 15
- 230000005856 abnormality Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 description 10
- 230000002159 abnormal effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000012935 Averaging Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5557578A JPS54147882A (en) | 1978-05-12 | 1978-05-12 | Abnormality occurrence detecting method of rotating machine using acoustic signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5557578A JPS54147882A (en) | 1978-05-12 | 1978-05-12 | Abnormality occurrence detecting method of rotating machine using acoustic signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54147882A JPS54147882A (en) | 1979-11-19 |
| JPH0145011B2 true JPH0145011B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-10-02 |
Family
ID=13002521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5557578A Granted JPS54147882A (en) | 1978-05-12 | 1978-05-12 | Abnormality occurrence detecting method of rotating machine using acoustic signals |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54147882A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018096640A1 (ja) * | 2016-11-25 | 2018-05-31 | 株式会社日立製作所 | 電力変換装置 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58150859A (ja) * | 1982-03-03 | 1983-09-07 | Hitachi Ltd | 回転体の亀裂診断装置 |
| JPS61196160A (ja) * | 1985-02-27 | 1986-08-30 | Kawasaki Steel Corp | 圧延ロ−ルのスポ−リング位置検出装置 |
| JP6754722B2 (ja) * | 2016-07-29 | 2020-09-16 | オークマ株式会社 | 情報測定装置 |
| WO2019193682A1 (ja) * | 2018-04-04 | 2019-10-10 | 三菱電機株式会社 | 診断装置、センサデータ収集装置、診断方法、診断プログラム、および、診断システム |
| JP7542503B2 (ja) | 2021-09-16 | 2024-08-30 | 株式会社東芝 | 検査システム及び検査方法 |
| JP7696494B2 (ja) * | 2022-03-17 | 2025-06-20 | 三菱重工業株式会社 | 回転機械のラビング判定装置、ラビング判定方法、及び、ラビング判定プログラム |
-
1978
- 1978-05-12 JP JP5557578A patent/JPS54147882A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018096640A1 (ja) * | 2016-11-25 | 2018-05-31 | 株式会社日立製作所 | 電力変換装置 |
| JPWO2018096640A1 (ja) * | 2016-11-25 | 2019-06-24 | 株式会社日立製作所 | 電力変換装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54147882A (en) | 1979-11-19 |