FR2479474B1 - - Google Patents
Info
- Publication number
- FR2479474B1 FR2479474B1 FR8105983A FR8105983A FR2479474B1 FR 2479474 B1 FR2479474 B1 FR 2479474B1 FR 8105983 A FR8105983 A FR 8105983A FR 8105983 A FR8105983 A FR 8105983A FR 2479474 B1 FR2479474 B1 FR 2479474B1
- Authority
- FR
- France
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
- G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Ac Motors In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8002310A SE417883B (sv) | 1980-03-26 | 1980-03-26 | Sett och anordning for detektering av en asynkronmotors varvtal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2479474A1 FR2479474A1 (fr) | 1981-10-02 |
| FR2479474B1 true FR2479474B1 (US07498051-20090303-C00003.png) | 1985-03-29 |
Family
ID=20340605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8105983A Granted FR2479474A1 (fr) | 1980-03-26 | 1981-03-25 | Procede et appareillage pour detecter la vitesse d'un moteur asynchrone |
Country Status (11)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3339299C2 (de) * | 1983-10-29 | 1987-02-19 | Rainer Dipl.-Ing. 7250 Leonberg Schröcker | Schaltungsanordnung zum Messen der Drehzahl eines genuteten Ankers einer Drehfeldmaschine |
| US4527101A (en) * | 1983-11-23 | 1985-07-02 | Black & Decker Inc. | Universal electric motor speed sensing by using Fourier transform method |
| JPS6369355U (US07498051-20090303-C00003.png) * | 1986-10-22 | 1988-05-10 | ||
| EP0287852A3 (de) * | 1987-04-09 | 1989-02-01 | Siemens Aktiengesellschaft | Verfahren und Anordnung zur Drehzahlerfassung einer elektrischen Maschine |
| US5224201A (en) * | 1988-03-31 | 1993-06-29 | Heidelberger Druckmaschinen Ag | Method and device for measuring rotary speed |
| DE3811046C2 (de) * | 1988-03-31 | 1994-05-26 | Heidelberger Druckmasch Ag | Verfahren und Vorrichtung zur Bestimmung des Übersetzungsverhältnisses an einer Druckmaschine |
| DE4237194A1 (de) * | 1992-11-04 | 1994-05-05 | Bosch Gmbh Robert | Einrichtung zur Ermittlung des Drehzahlgradienten |
| DE19539915B4 (de) * | 1995-10-27 | 2007-06-28 | Elan Schaltelemente Gmbh & Co. Kg | Verfahren zur Überwachung wie Stillstands- und/oder Einrichtdrehzahlüberwachung eines Antriebs, insbesondere hochdynamischen Servoantriebs, sowie Lastrelais insbesondere zur Verwendung bei einem entsprechenden Verfahren |
| US6087796A (en) * | 1998-06-16 | 2000-07-11 | Csi Technology, Inc. | Method and apparatus for determining electric motor speed using vibration and flux |
| EP1134887A1 (en) * | 2000-03-14 | 2001-09-19 | General Electric Company | Frequency domain harmonic analysis methods and apparatus for electric machines |
| DE10213563C1 (de) * | 2002-03-26 | 2003-09-18 | Siemens Ag | Verfahren zur Ermittlung der Drehzahl einer austrudelnden Drehstrommaschine |
| DE102005018179A1 (de) * | 2005-04-19 | 2006-10-26 | Krohne Messtechnik Gmbh & Co. Kg | Verfahren zum Betrieb eines Meßgeräts |
| EP1894292A1 (en) * | 2005-06-09 | 2008-03-05 | Philips Intellectual Property & Standards GmbH | Sensorless measurement of the rotation frequency of a rotor of an asynchronous machine |
| GB2580962A (en) * | 2019-02-01 | 2020-08-05 | Digipulse Ltd | Motor waveform filtering to determine commutation timing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1193150B (de) * | 1960-05-31 | 1965-05-20 | Tavkoezlesi Ki | Einrichtung zur Regelung der Drehzahl fuer einen elektromotorischen, pneumatischen oder hydraulischen Antrieb |
| US3611138A (en) * | 1970-03-05 | 1971-10-05 | Gen Motors Corp | Tachometer system including an rf signal modulator and detector |
| US4194129A (en) * | 1975-02-07 | 1980-03-18 | Rexnord Inc. | Armature slip analysis of induction motors with temperature and voltage correction |
| DD121191A1 (US07498051-20090303-C00003.png) * | 1975-09-18 | 1976-07-12 |
-
1980
- 1980-03-26 SE SE8002310A patent/SE417883B/sv not_active IP Right Cessation
-
1981
- 1981-03-24 FI FI810906A patent/FI66090C/fi not_active IP Right Cessation
- 1981-03-24 US US06/246,946 patent/US4358734A/en not_active Expired - Fee Related
- 1981-03-25 CH CH2010/81A patent/CH654456A5/de not_active IP Right Cessation
- 1981-03-25 DE DE19813111819 patent/DE3111819A1/de active Granted
- 1981-03-25 NO NO811006A patent/NO162540C/no unknown
- 1981-03-25 FR FR8105983A patent/FR2479474A1/fr active Granted
- 1981-03-26 JP JP4469281A patent/JPS5713988A/ja active Granted
- 1981-03-26 DK DK137781A patent/DK137781A/da not_active Application Discontinuation
- 1981-03-26 IT IT20737/81A patent/IT1136960B/it active
- 1981-03-26 GB GB8109493A patent/GB2075684B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2075684A (en) | 1981-11-18 |
| CH654456A5 (de) | 1986-02-14 |
| JPH0152999B2 (US07498051-20090303-C00003.png) | 1989-11-10 |
| GB2075684B (en) | 1983-09-21 |
| JPS5713988A (en) | 1982-01-25 |
| FI66090B (fi) | 1984-04-30 |
| NO811006L (no) | 1981-09-28 |
| DK137781A (da) | 1981-09-27 |
| US4358734A (en) | 1982-11-09 |
| FI66090C (fi) | 1984-08-10 |
| NO162540B (no) | 1989-10-02 |
| IT8120737A0 (it) | 1981-03-26 |
| FR2479474A1 (fr) | 1981-10-02 |
| SE417883B (sv) | 1981-04-13 |
| DE3111819C2 (US07498051-20090303-C00003.png) | 1991-10-10 |
| FI810906L (fi) | 1981-09-27 |
| IT1136960B (it) | 1986-09-03 |
| DE3111819A1 (de) | 1982-03-11 |
| NO162540C (no) | 1990-01-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |