DE3171830D1 - Frequency-dependent numerical control circuit - Google Patents

Frequency-dependent numerical control circuit

Info

Publication number
DE3171830D1
DE3171830D1 DE8181401714T DE3171830T DE3171830D1 DE 3171830 D1 DE3171830 D1 DE 3171830D1 DE 8181401714 T DE8181401714 T DE 8181401714T DE 3171830 T DE3171830 T DE 3171830T DE 3171830 D1 DE3171830 D1 DE 3171830D1
Authority
DE
Germany
Prior art keywords
frequency
control circuit
numerical control
dependent numerical
dependent
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
Application number
DE8181401714T
Other languages
German (de)
English (en)
Inventor
Jacques Prunier
Bruno Roussel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EFCIS
Original Assignee
EFCIS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EFCIS filed Critical EFCIS
Application granted granted Critical
Publication of DE3171830D1 publication Critical patent/DE3171830D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/22—Controlling the speed digitally using a reference oscillator, a speed proportional pulse rate feedback and a digital comparator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Ac Motors In General (AREA)
DE8181401714T 1980-12-12 1981-10-27 Frequency-dependent numerical control circuit Expired DE3171830D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8026416A FR2496290A1 (fr) 1980-12-12 1980-12-12 Circuit d'asservissement numerique en fonction de la frequence

Publications (1)

Publication Number Publication Date
DE3171830D1 true DE3171830D1 (en) 1985-09-19

Family

ID=9249006

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181401714T Expired DE3171830D1 (en) 1980-12-12 1981-10-27 Frequency-dependent numerical control circuit

Country Status (3)

Country Link
EP (1) EP0055146B1 (OSRAM)
DE (1) DE3171830D1 (OSRAM)
FR (1) FR2496290A1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01194881A (ja) * 1988-01-26 1989-08-04 Sony Corp 記録再生装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1742106U (de) * 1953-12-10 1957-03-28 Siemens Ag Kathode fuer elektrische entladungsgefaesse.
NL103155C (OSRAM) * 1958-06-19 1900-01-01
US3243638A (en) * 1962-10-31 1966-03-29 Gen Electric Dispenser cathode
NL154047B (nl) * 1968-01-09 1977-07-15 Philips Nv Elektrische ontladingsbuis met een kathode die in het inwendige activeringsmateriaal bevat, en kathode bestemd voor een dergelijke ontladingsbuis.
US3546553A (en) * 1968-09-06 1970-12-08 Nasa System for maintaining a motor at a predetermined speed utilizing digital feedback means
US3646417A (en) * 1971-03-25 1972-02-29 Ibm Digital speed servomechanism
IL43254A (en) * 1972-09-28 1976-02-29 Varian Ass Ciates Gridded electron gun employing a concave cathode emitter
NL165880C (nl) * 1975-02-21 1981-05-15 Philips Nv Naleveringskathode.
FR2339202A1 (fr) * 1976-01-26 1977-08-19 Penet Pierre Ensemble de commande d'un organe electrique ou hydraulique a fonctionnement periodique et dispositif de mesure du debit d'un fluide incorporant un tel ensemble
US4152631A (en) * 1977-07-26 1979-05-01 Black Body Corporation Process time control system
FR2436434A1 (fr) * 1978-09-15 1980-04-11 Thomson Csf Discriminateur de vitesse angulaire et moteur comportant un tel dispositif

Also Published As

Publication number Publication date
EP0055146B1 (fr) 1985-08-14
FR2496290A1 (fr) 1982-06-18
EP0055146A1 (fr) 1982-06-30
FR2496290B1 (OSRAM) 1983-11-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee