JP2008170400A5 - - Google Patents
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- JP2008170400A5 JP2008170400A5 JP2007006397A JP2007006397A JP2008170400A5 JP 2008170400 A5 JP2008170400 A5 JP 2008170400A5 JP 2007006397 A JP2007006397 A JP 2007006397A JP 2007006397 A JP2007006397 A JP 2007006397A JP 2008170400 A5 JP2008170400 A5 JP 2008170400A5
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- rotating body
- vibration signal
- acquiring
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- inspection
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- 238000007689 inspection Methods 0.000 claims 23
- 230000000875 corresponding Effects 0.000 claims 4
- 230000000737 periodic Effects 0.000 claims 4
- 238000000605 extraction Methods 0.000 claims 3
- 230000001276 controlling effect Effects 0.000 claims 2
Claims (8)
検査対象の上記回転体を含む対象装置からの振動信号を取得する振動信号取得手段と、
上記回転体の基準位置が１回転するごとに生成される対象周期パルスを取得する対象周期パルス取得手段と、
上記振動信号のうち、所定数の上記対象周期パルスを取得する期間の振動信号をフレームとして抽出する抽出手段と、
複数の上記フレームを用いて上記検査を行う検査手段とを備えることを特徴とする検査装置。 An inspection device for inspecting a rotating body,
Vibration signal acquisition means for acquiring a vibration signal from a target device including the rotating body to be inspected;
Target period pulse acquisition means for acquiring a target period pulse generated every time the reference position of the rotating body makes one rotation;
An extraction means for extracting a vibration signal of a period of acquiring a predetermined number of the target period pulses from the vibration signal as a frame;
An inspection apparatus comprising: inspection means for performing the inspection using a plurality of the frames.
上記複数の回転体のうち、基準となる回転体の回転に対応して生成される基準回転パルスを取得する基準回転パルス取得手段をさらに備えており、
上記対象周期パルス取得手段は、基準となる回転体と検査対象となる回転体との回転比率を利用して、上記基準回転パルスから上記対象周期パルスを生成することを特徴とする請求項１に記載の検査装置。 The target device includes a plurality of rotating bodies,
Of the plurality of rotating bodies, further comprising reference rotation pulse acquisition means for acquiring a reference rotation pulse generated corresponding to the rotation of the reference rotating body,
2. The target period pulse acquisition means generates the target period pulse from the reference rotation pulse by using a rotation ratio between a reference rotating body and an inspection target rotating body. The inspection device described.
上記振動信号のうち、上記対象周期パルスの周期において上記位相範囲に対応する区間の振動信号のみを通過させるフィルタ手段をさらに備えることを特徴とする請求項１に記載の検査装置。 A phase range acquisition means for acquiring a position where the vibration to be inspected in the rotating body occurs and its surroundings by a phase range indicated by a phase from the reference position;
The inspection apparatus according to claim 1, further comprising a filter unit that allows only a vibration signal in a section corresponding to the phase range to pass in the period of the target periodic pulse among the vibration signals.
検査対象の上記回転体を含む対象装置からの振動信号を取得する振動信号取得手段と、
上記回転体の基準位置が１回転するごとに生成される対象周期パルスを取得する対象周期パルス取得手段と、
上記回転体において検査対象となる振動が発生する位置とその周辺を、上記基準位置からの位相で示した位相範囲を取得する位相範囲取得手段と、
上記振動信号のうち、上記対象周期パルスの周期において上記位相範囲に対応する区間の振動信号のみを通過させるフィルタ手段と、
該フィルタ手段が通過させた振動信号を用いて上記検査を行う検査手段とを備えることを特徴とする検査装置。 An inspection device for inspecting a rotating body,
Vibration signal acquisition means for acquiring a vibration signal from a target device including the rotating body to be inspected;
Target period pulse acquisition means for acquiring a target period pulse generated every time the reference position of the rotating body makes one rotation;
A phase range acquisition means for acquiring a position where the vibration to be inspected in the rotating body occurs and its surroundings by a phase range indicated by a phase from the reference position;
Filter means for passing only the vibration signal of the section corresponding to the phase range in the period of the target periodic pulse among the vibration signals,
An inspection apparatus comprising: inspection means for performing the inspection using the vibration signal passed by the filter means.
検査対象の上記回転体を含む対象装置からの振動信号を取得する振動信号取得手段と、
上記回転体の基準位置が１回転するごとに生成される対象周期パルスを取得する対象周期パルス取得手段と、
上記振動信号のうち、所定数の上記対象周期パルスを取得する期間の振動信号をフレームとして抽出する抽出手段と、
複数の上記フレームを用いて上記検査を行う検査手段としてコンピュータを機能させるための検査装置制御プログラム。 An inspection device control program for operating an inspection device that inspects a rotating body,
Vibration signal acquisition means for acquiring a vibration signal from a target device including the rotating body to be inspected;
Target period pulse acquisition means for acquiring a target period pulse generated every time the reference position of the rotating body makes one rotation;
An extraction means for extracting a vibration signal of a period of acquiring a predetermined number of the target period pulses from the vibration signal as a frame;
An inspection device control program for causing a computer to function as inspection means for performing the inspection using a plurality of the frames.
検査対象の上記回転体を含む対象装置からの振動信号を取得する振動信号取得手段と、
上記回転体の基準位置が１回転するごとに生成される対象周期パルスを取得する対象周期パルス取得手段と、
上記振動信号のうち、上記基準位置から所定位相を中心とする区間の振動信号のみを通過させるフィルタ手段と、
該フィルタ手段が通過させた振動信号を用いて上記検査を行う検査手段としてコンピュータを機能させるための検査装置制御プログラム。 An inspection device control program for operating an inspection device that inspects a rotating body,
Vibration signal acquisition means for acquiring a vibration signal from a target device including the rotating body to be inspected;
Target period pulse acquisition means for acquiring a target period pulse generated every time the reference position of the rotating body makes one rotation;
Filter means for passing only the vibration signal of the section centered on a predetermined phase from the reference position among the vibration signals;
An inspection apparatus control program for causing a computer to function as inspection means for performing the inspection using the vibration signal passed by the filter means.
検査対象の上記回転体を含む対象装置からの振動信号を取得する振動信号取得ステップと、
上記回転体の基準位置が１回転するごとに生成される対象周期パルスを取得する対象周期パルス取得ステップと、
上記振動信号のうち、所定数の上記対象周期パルスを取得する期間の振動信号をフレームとして抽出する抽出ステップと、
複数の上記フレームを用いて上記検査を行う検査ステップとを含むことを特徴とする検査装置の制御方法。 A method for controlling an inspection apparatus for inspecting a rotating body,
A vibration signal acquisition step of acquiring a vibration signal from a target device including the rotating body to be inspected;
A target period pulse acquisition step of acquiring a target period pulse generated every time the reference position of the rotating body makes one rotation;
An extraction step of extracting a vibration signal in a period of acquiring a predetermined number of the target periodic pulses from the vibration signal as a frame;
And a test step for performing the test using a plurality of the frames.
検査対象の上記回転体を含む対象装置からの振動信号を取得する振動信号取得ステップと、
上記回転体の基準位置が１回転するごとに生成される対象周期パルスを取得する対象周期パルス取得ステップと、
上記回転体において検査対象となる振動が発生する位置とその周辺を、上記基準位置からの位相で示した位相範囲を取得する位相範囲取得ステップと、
上記振動信号のうち、上記対象周期パルスの周期において上記位相範囲に対応する区間の振動信号のみを通過させるフィルタステップと、
該フィルタステップにより通過された振動信号を用いて上記検査を行う検査ステップとを含むことを特徴とする検査装置の制御方法。 A method for controlling an inspection apparatus for inspecting a rotating body,
A vibration signal acquisition step of acquiring a vibration signal from a target device including the rotating body to be inspected;
A target period pulse acquisition step of acquiring a target period pulse generated every time the reference position of the rotating body makes one rotation;
A phase range acquisition step of acquiring a phase range indicated by a phase from the reference position, and a position where the vibration to be inspected occurs in the rotating body and its periphery;
Among the vibration signals, a filter step for passing only vibration signals in a section corresponding to the phase range in the period of the target periodic pulse;
And a test step for performing the test using the vibration signal passed through the filter step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007006397A JP5125107B2 (en) | 2007-01-15 | 2007-01-15 | Inspection device, control method therefor, and inspection device control program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007006397A JP5125107B2 (en) | 2007-01-15 | 2007-01-15 | Inspection device, control method therefor, and inspection device control program |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008170400A JP2008170400A (en) | 2008-07-24 |
| JP2008170400A5 true JP2008170400A5 (en) | 2010-02-25 |
| JP5125107B2 JP5125107B2 (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007006397A Expired - Fee Related JP5125107B2 (en) | 2007-01-15 | 2007-01-15 | Inspection device, control method therefor, and inspection device control program |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5125107B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5271771B2 (en) * | 2009-03-30 | 2013-08-21 | 日本電産サンキョー株式会社 | Abnormal sound inspection apparatus and abnormal sound inspection method |
| US9008997B2 (en) * | 2009-10-26 | 2015-04-14 | Fluke Corporation | System and method for vibration analysis and phase analysis of vibration waveforms using dynamic statistical averaging of tachometer data to accurately calculate rotational speed |
| JP6430234B2 (en) * | 2014-12-19 | 2018-11-28 | 公立大学法人県立広島大学 | Vibration analysis apparatus and program for rotating machine |
| JP2017111018A (en) * | 2015-12-17 | 2017-06-22 | ジヤトコ株式会社 | Abnormality detector and abnormality detecting method |
| JP7075496B2 (en) * | 2018-09-11 | 2022-05-25 | 株式会社日立国際電気 | Monitoring system and monitoring equipment |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57191520A (en) * | 1981-05-22 | 1982-11-25 | Hitachi Ltd | Oscillation monitor for rotary machine |
| JPH0450731A (en) * | 1990-06-19 | 1992-02-19 | Toshiba Corp | Rotary machine fault diagnostic system |
| JPH04232426A (en) * | 1990-12-28 | 1992-08-20 | Nkk Corp | Diagnozing method of rotary machine and apparatus therefor |
| JP3031777B2 (en) * | 1992-03-30 | 2000-04-10 | 株式会社トキメック | Work alarm |
| JP2672773B2 (en) * | 1993-08-27 | 1997-11-05 | 四国電力株式会社 | Shaft core vibration detection method and rotating shaft abnormality determination method using vibration of the shaft core |
| JP3202584B2 (en) * | 1996-02-29 | 2001-08-27 | 三菱自動車工業株式会社 | Vibration analysis method and device |
| JPH10267749A (en) * | 1997-03-27 | 1998-10-09 | Fukuoka Pref Gov Sangyo Kagaku Gijutsu Shinko Zaidan | Abnormality diagnosis method in cutting work |
| JP2001221683A (en) * | 2000-02-09 | 2001-08-17 | Suzuki Motor Corp | Apparatus and method for evaluation of sound as well as recording medium with stored program for sound evaluation |
| JP3651351B2 (en) * | 2000-03-27 | 2005-05-25 | 日産自動車株式会社 | Machine abnormality inspection device |
| JP3333494B2 (en) * | 2000-05-10 | 2002-10-15 | 東京電力株式会社 | Device abnormality diagnosis method |
| JP4039295B2 (en) * | 2003-04-04 | 2008-01-30 | 株式会社デンソー | Knock detection device |
| JP3853807B2 (en) * | 2003-08-28 | 2006-12-06 | 本田技研工業株式会社 | Sound vibration analysis apparatus, sound vibration analysis method, computer-readable recording medium recording sound vibration analysis program, and program for sound vibration analysis |
| JP4349888B2 (en) * | 2003-11-18 | 2009-10-21 | 富士重工業株式会社 | Engine evaluation device |
-
2007
- 2007-01-15 JP JP2007006397A patent/JP5125107B2/en not_active Expired - Fee Related
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