JP2008271771A - 様々な発振器システムを使用した正弦波変調信号整流ツール - Google Patents
様々な発振器システムを使用した正弦波変調信号整流ツール Download PDFInfo
- Publication number
- JP2008271771A JP2008271771A JP2008005140A JP2008005140A JP2008271771A JP 2008271771 A JP2008271771 A JP 2008271771A JP 2008005140 A JP2008005140 A JP 2008005140A JP 2008005140 A JP2008005140 A JP 2008005140A JP 2008271771 A JP2008271771 A JP 2008271771A
- Authority
- JP
- Japan
- Prior art keywords
- modulation signal
- frequency
- signal
- sinusoidal modulation
- oscillator
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/26—Measuring noise figure; Measuring signal-to-noise ratio
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/24471—Error correction
- G01D5/2448—Correction of gain, threshold, offset or phase control
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Ac Motors In General (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Control Of Electric Motors In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/653,852 US7855545B2 (en) | 2007-01-17 | 2007-01-17 | Sinusoidal modulated signal clarification tool using various oscillator systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008271771A true JP2008271771A (ja) | 2008-11-06 |
| JP2008271771A5 JP2008271771A5 (https=) | 2012-11-08 |
Family
ID=39617274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008005140A Pending JP2008271771A (ja) | 2007-01-17 | 2008-01-15 | 様々な発振器システムを使用した正弦波変調信号整流ツール |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7855545B2 (https=) |
| JP (1) | JP2008271771A (https=) |
| KR (1) | KR20080067979A (https=) |
| CN (1) | CN101246045B (https=) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017221588A1 (ja) * | 2016-06-21 | 2017-12-28 | 三菱電機株式会社 | 負荷の異常検出装置 |
| CN108008295A (zh) * | 2016-11-01 | 2018-05-08 | 中国电力科学研究院 | 一种风电机组调频能力检测方法 |
| CN109459693A (zh) * | 2018-11-14 | 2019-03-12 | 广东电网有限责任公司 | 一种基于波形回放的一次调频性能测试方法及装置 |
| JP6824494B1 (ja) * | 2020-06-29 | 2021-02-03 | 三菱電機株式会社 | 異常診断装置、電力変換装置および異常診断方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009045509A1 (de) * | 2009-10-09 | 2011-04-14 | Zf Friedrichshafen Ag | Drehzahlsensoranordnung für ein Kraftfahrzeug und Verfahren zur Drehzahlinformationsübertragung |
| US9952620B2 (en) * | 2014-04-10 | 2018-04-24 | Intel Corporation | Time-synchronizing a group of nodes |
| GB2550854B (en) | 2016-05-25 | 2019-06-26 | Ge Aviat Systems Ltd | Aircraft time synchronization system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07324974A (ja) * | 1994-06-02 | 1995-12-12 | Mitsubishi Electric Corp | 回転機振動診断装置 |
| JPH1183686A (ja) * | 1997-09-01 | 1999-03-26 | Nippon Steel Corp | 機械設備の異常診断方法およびその装置 |
| JP2000184658A (ja) * | 1998-12-11 | 2000-06-30 | Osaka Gas Co Ltd | 誘導電動機の診断装置 |
| JP2003274691A (ja) * | 2002-03-14 | 2003-09-26 | Jfe Steel Kk | 交流電動機の回転子異常検出方法及び回転子異常検出装置 |
| JP2004112906A (ja) * | 2002-09-18 | 2004-04-08 | Jfe Steel Kk | 交流モータの回転子バー切れ検出方法 |
| US20050248354A1 (en) * | 2004-05-04 | 2005-11-10 | Alexei Petchenev | Frequency rectification tool for shorter waveforms |
| JP2005326416A (ja) * | 2004-05-14 | 2005-11-24 | Bentley Nevada Llc | 周波数調整システム、装置及び方法 |
| US20060229047A1 (en) * | 2005-03-31 | 2006-10-12 | General Electric Company | Systems and methods for recovering a signal of interest from a complex signal |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5519337A (en) * | 1993-11-04 | 1996-05-21 | Martin Marietta Energy Systems, Inc. | Motor monitoring method and apparatus using high frequency current components |
| US5668813A (en) * | 1995-07-17 | 1997-09-16 | Nat Semiconductor Corp | Dynamic synchronization code detection window |
| US6144924A (en) * | 1996-05-20 | 2000-11-07 | Crane Nuclear, Inc. | Motor condition and performance analyzer |
| US7539549B1 (en) * | 1999-09-28 | 2009-05-26 | Rockwell Automation Technologies, Inc. | Motorized system integrated control and diagnostics using vibration, pressure, temperature, speed, and/or current analysis |
| US7110435B1 (en) * | 1999-03-15 | 2006-09-19 | Parkervision, Inc. | Spread spectrum applications of universal frequency translation |
| US6470458B1 (en) * | 1999-07-29 | 2002-10-22 | International Business Machines Corporation | Method and system for data processing system self-synchronization |
| US7561361B1 (en) * | 2005-10-31 | 2009-07-14 | Marvell International Ltd. | Dynamic synchronization of timing signals |
-
2007
- 2007-01-17 US US11/653,852 patent/US7855545B2/en not_active Expired - Fee Related
-
2008
- 2008-01-15 JP JP2008005140A patent/JP2008271771A/ja active Pending
- 2008-01-16 KR KR1020080004818A patent/KR20080067979A/ko not_active Ceased
- 2008-01-17 CN CN2008100920215A patent/CN101246045B/zh not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07324974A (ja) * | 1994-06-02 | 1995-12-12 | Mitsubishi Electric Corp | 回転機振動診断装置 |
| JPH1183686A (ja) * | 1997-09-01 | 1999-03-26 | Nippon Steel Corp | 機械設備の異常診断方法およびその装置 |
| JP2000184658A (ja) * | 1998-12-11 | 2000-06-30 | Osaka Gas Co Ltd | 誘導電動機の診断装置 |
| JP2003274691A (ja) * | 2002-03-14 | 2003-09-26 | Jfe Steel Kk | 交流電動機の回転子異常検出方法及び回転子異常検出装置 |
| JP2004112906A (ja) * | 2002-09-18 | 2004-04-08 | Jfe Steel Kk | 交流モータの回転子バー切れ検出方法 |
| US20050248354A1 (en) * | 2004-05-04 | 2005-11-10 | Alexei Petchenev | Frequency rectification tool for shorter waveforms |
| JP2005326416A (ja) * | 2004-05-14 | 2005-11-24 | Bentley Nevada Llc | 周波数調整システム、装置及び方法 |
| US20060229047A1 (en) * | 2005-03-31 | 2006-10-12 | General Electric Company | Systems and methods for recovering a signal of interest from a complex signal |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017221588A1 (ja) * | 2016-06-21 | 2017-12-28 | 三菱電機株式会社 | 負荷の異常検出装置 |
| JP6293388B1 (ja) * | 2016-06-21 | 2018-03-14 | 三菱電機株式会社 | 負荷の異常検出装置 |
| CN109313233A (zh) * | 2016-06-21 | 2019-02-05 | 三菱电机株式会社 | 负载异常检测装置 |
| CN108008295A (zh) * | 2016-11-01 | 2018-05-08 | 中国电力科学研究院 | 一种风电机组调频能力检测方法 |
| CN108008295B (zh) * | 2016-11-01 | 2021-01-15 | 中国电力科学研究院有限公司 | 一种风电机组调频能力检测方法 |
| CN109459693A (zh) * | 2018-11-14 | 2019-03-12 | 广东电网有限责任公司 | 一种基于波形回放的一次调频性能测试方法及装置 |
| JP6824494B1 (ja) * | 2020-06-29 | 2021-02-03 | 三菱電機株式会社 | 異常診断装置、電力変換装置および異常診断方法 |
| WO2022003758A1 (ja) * | 2020-06-29 | 2022-01-06 | 三菱電機株式会社 | 異常診断装置、電力変換装置および異常診断方法 |
| KR20230010708A (ko) * | 2020-06-29 | 2023-01-19 | 미쓰비시덴키 가부시키가이샤 | 이상 진단 장치, 전력 변환 장치 및 이상 진단 방법 |
| CN115885469A (zh) * | 2020-06-29 | 2023-03-31 | 三菱电机株式会社 | 异常诊断装置、功率转换装置及异常诊断方法 |
| KR102797270B1 (ko) | 2020-06-29 | 2025-04-18 | 미쓰비시덴키 가부시키가이샤 | 이상 진단 장치, 전력 변환 장치 및 이상 진단 방법 |
| CN115885469B (zh) * | 2020-06-29 | 2025-10-10 | 三菱电机株式会社 | 异常诊断装置、功率转换装置及异常诊断方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101246045A (zh) | 2008-08-20 |
| CN101246045B (zh) | 2012-03-14 |
| KR20080067979A (ko) | 2008-07-22 |
| US20080169801A1 (en) | 2008-07-17 |
| US7855545B2 (en) | 2010-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2008271771A (ja) | 様々な発振器システムを使用した正弦波変調信号整流ツール | |
| Riera-Guasp et al. | Diagnosis of induction motor faults via Gabor analysis of the current in transient regime | |
| CN103502827B (zh) | 用于监测机电系统的状况方法和设备 | |
| JP6973282B2 (ja) | 振動試験装置及び振動試験方法 | |
| AU2012314960B2 (en) | A method of determining stationary signals for the diagnostics of an electromechanical system | |
| CN104344821A (zh) | 信号处理 | |
| Rosero et al. | Demagnetization fault detection by means of Hilbert Huang transform of the stator current decomposition in PMSM | |
| JP6933303B2 (ja) | 波源方向推定装置、波源方向推定方法、およびプログラム | |
| US7065474B2 (en) | Frequency rectification system: apparatus and method | |
| CN101042426B (zh) | 用于频率调整的方法和装置 | |
| JP5240045B2 (ja) | 振動子の駆動方法および駆動回路ならびにその駆動回路を備える慣性力検出装置 | |
| US7856224B2 (en) | Systems and methods for recovering a signal of interest from a complex signal | |
| Singh et al. | Synchronization technique for Doppler signal extraction in ultrasonic vibration measurement systems | |
| JP2011149915A (ja) | 同期検定装置 | |
| KR100706218B1 (ko) | 위상 측정 장치, 방법 및 기록 매체 | |
| da Gama et al. | Analysis of combined motor current signature and vibration-monitoring techniques in the study of broken bars in three-phase high-performance induction motors | |
| Boden | Noncontact Distance and Vibration Measurement | |
| JP4476690B2 (ja) | 接着状態検査装置及び方法 | |
| Gama et al. | Comparing MCSA with Vibration Analysis on Rotating Electrical Machines to Detect Broken Bars—A Case Study | |
| US20220398743A1 (en) | Systems and methods for improved observation and detection using time video synchronization and synchronous time averaging | |
| Skala et al. | Simulation and measurement of angular vibration of induction machine via Hilbert transformation | |
| Bucher | Directional Order Tracking in Rotating Machines | |
| JP4997386B2 (ja) | 信号成分算出装置および計測装置 | |
| Nambiar et al. | Motor Current Signature Analysis for Speed Estimation | |
| JP2006322914A (ja) | エンジン発生トルクの測定装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110112 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20110112 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120106 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120925 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20121106 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20130128 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20130131 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130507 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130813 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20140610 |