KR20080067979A - 다양한 발진기 시스템을 이용한 정현파 변조 신호 정류기구 - Google Patents

다양한 발진기 시스템을 이용한 정현파 변조 신호 정류기구 Download PDF

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Publication number
KR20080067979A
KR20080067979A KR1020080004818A KR20080004818A KR20080067979A KR 20080067979 A KR20080067979 A KR 20080067979A KR 1020080004818 A KR1020080004818 A KR 1020080004818A KR 20080004818 A KR20080004818 A KR 20080004818A KR 20080067979 A KR20080067979 A KR 20080067979A
Authority
KR
South Korea
Prior art keywords
modulated signal
sinusoidal modulated
frequency
oscillator
oscillators
Prior art date
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Ceased
Application number
KR1020080004818A
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English (en)
Korean (ko)
Inventor
알렉세이 페체네브
존 더블유 그랜트
올가 말라코바
Original Assignee
제너럴 일렉트릭 캄파니
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Publication of KR20080067979A publication Critical patent/KR20080067979A/ko
Ceased legal-status Critical Current

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    • 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

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  • 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)
KR1020080004818A 2007-01-17 2008-01-16 다양한 발진기 시스템을 이용한 정현파 변조 신호 정류기구 Ceased KR20080067979A (ko)

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
US11/653,852 2007-01-17

Publications (1)

Publication Number Publication Date
KR20080067979A true KR20080067979A (ko) 2008-07-22

Family

ID=39617274

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080004818A Ceased KR20080067979A (ko) 2007-01-17 2008-01-16 다양한 발진기 시스템을 이용한 정현파 변조 신호 정류기구

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JP2008271771A (ja) 2008-11-06
CN101246045A (zh) 2008-08-20
CN101246045B (zh) 2012-03-14
US20080169801A1 (en) 2008-07-17
US7855545B2 (en) 2010-12-21

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