CN101246045B - 使用不同振荡系统的正弦调制信号整流工具 - Google Patents
使用不同振荡系统的正弦调制信号整流工具 Download PDFInfo
- Publication number
- CN101246045B CN101246045B CN2008100920215A CN200810092021A CN101246045B CN 101246045 B CN101246045 B CN 101246045B CN 2008100920215 A CN2008100920215 A CN 2008100920215A CN 200810092021 A CN200810092021 A CN 200810092021A CN 101246045 B CN101246045 B CN 101246045B
- Authority
- CN
- China
- Prior art keywords
- modulation signal
- sinusoidal modulation
- frequency
- oscillator
- signal
- 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
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 (2)
| 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 |
| US11/653852 | 2007-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101246045A CN101246045A (zh) | 2008-08-20 |
| CN101246045B true CN101246045B (zh) | 2012-03-14 |
Family
ID=39617274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100920215A Expired - Fee Related CN101246045B (zh) | 2007-01-17 | 2008-01-17 | 使用不同振荡系统的正弦调制信号整流工具 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7855545B2 (https=) |
| JP (1) | JP2008271771A (https=) |
| KR (1) | KR20080067979A (https=) |
| CN (1) | CN101246045B (https=) |
Families Citing this family (7)
| 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 |
| 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 |
| 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 |
| DE112020007369T5 (de) * | 2020-06-29 | 2023-05-04 | Mitsubishi Electric Corporation | Abnormalitätsdiagnosevorrichtung, leistungsumwandlungsvorrichtung undabnormalitätsdiagnosisverfahren |
Family Cites Families (15)
| 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 |
| JP3214233B2 (ja) * | 1994-06-02 | 2001-10-02 | 三菱電機株式会社 | 回転機振動診断装置 |
| 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 |
| 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 |
| 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 |
| JP2000184658A (ja) * | 1998-12-11 | 2000-06-30 | Osaka Gas Co Ltd | 誘導電動機の診断装置 |
| 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 |
| JP4062939B2 (ja) * | 2002-03-14 | 2008-03-19 | Jfeスチール株式会社 | 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 |
| US7064556B2 (en) * | 2004-05-04 | 2006-06-20 | General Electric Co. | Frequency rectification tool for shorter waveforms |
| US7065474B2 (en) * | 2004-05-14 | 2006-06-20 | Bently Nevada, Llc | Frequency rectification system: apparatus and method |
| US7856224B2 (en) * | 2005-03-31 | 2010-12-21 | General Electric Company | Systems and methods for recovering a signal of interest from a complex signal |
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008271771A (ja) | 2008-11-06 |
| CN101246045A (zh) | 2008-08-20 |
| KR20080067979A (ko) | 2008-07-22 |
| US20080169801A1 (en) | 2008-07-17 |
| US7855545B2 (en) | 2010-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101246045B (zh) | 使用不同振荡系统的正弦调制信号整流工具 | |
| US12264998B2 (en) | Vibration control system | |
| Rosero et al. | Demagnetization fault detection by means of Hilbert Huang transform of the stator current decomposition in PMSM | |
| US7065474B2 (en) | Frequency rectification system: apparatus and method | |
| JP2009229184A (ja) | 高調波探査方法および高調波探査装置 | |
| CN107063675A (zh) | 旋转叶片振动测试精度计算方法及系统 | |
| Afrizal et al. | Leakage error compensation in motor current signature analysis for shaft misalignment detection in submersible pumps | |
| AU2012314960A1 (en) | A method of determining stationary signals for the diagnostics of an electromechanical system | |
| CN101042426B (zh) | 用于频率调整的方法和装置 | |
| Chang et al. | On-line motor condition monitoring system for abnormality detection | |
| JP2010256136A (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 | |
| 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 | |
| JPH0419524A (ja) | 構造物の固有振動数自動出力装置 | |
| JP4376588B2 (ja) | 地盤探査装置 | |
| Boden | Noncontact Distance and Vibration Measurement | |
| RU2580182C1 (ru) | Устройство и способ испытания изделий на случайные вибрации | |
| Laterra | Noise and Vibration Sources in Electric Motor Industrial Applications | |
| JP4229231B2 (ja) | アナログ・デジタル変換方法 | |
| Gama et al. | Comparing MCSA with Vibration Analysis on Rotating Electrical Machines to Detect Broken Bars—A Case Study | |
| Skala et al. | Simulation and measurement of angular vibration of induction machine via Hilbert transformation | |
| Nambiar et al. | Motor Current Signature Analysis for Speed Estimation | |
| Marinho et al. | Cavitation Aggressiveness Estimation in Hydro Turbines Based on Cyclostationary Modeling | |
| JP2006322914A (ja) | エンジン発生トルクの測定装置 | |
| CN1932456A (zh) | 低频波的频率量测系统及方法 | |
| Lu | Noncontact MASW Methods for Near Surface Soil/Pavement Shear Wave velocities Measurements |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20150117 |
|
| EXPY | Termination of patent right or utility model |