GB1399648A - Stepwise control for two-step control with switching stages - Google Patents

Stepwise control for two-step control with switching stages

Info

Publication number
GB1399648A
GB1399648A GB5811972A GB5811972A GB1399648A GB 1399648 A GB1399648 A GB 1399648A GB 5811972 A GB5811972 A GB 5811972A GB 5811972 A GB5811972 A GB 5811972A GB 1399648 A GB1399648 A GB 1399648A
Authority
GB
United Kingdom
Prior art keywords
heaters
switch
switches
control
output
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
GB5811972A
Other languages
English (en)
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.)
Staefa Control System AG
Original Assignee
Staefa Control System AG
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 Staefa Control System AG filed Critical Staefa Control System AG
Publication of GB1399648A publication Critical patent/GB1399648A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/14—Automatic controllers electric in which the output signal represents a discontinuous function of the deviation from the desired value, i.e. discontinuous controllers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/14—Automatic controllers electric in which the output signal represents a discontinuous function of the deviation from the desired value, i.e. discontinuous controllers
    • G05B11/18—Multi-step controllers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1912—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can take more than two discrete values

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Feedback Control In General (AREA)
  • Control Of Electrical Variables (AREA)
  • Control Of Resistance Heating (AREA)
  • Control Of Temperature (AREA)
GB5811972A 1971-12-17 1972-12-15 Stepwise control for two-step control with switching stages Expired GB1399648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1846871 1971-12-17

Publications (1)

Publication Number Publication Date
GB1399648A true GB1399648A (en) 1975-07-02

Family

ID=4433159

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5811972A Expired GB1399648A (en) 1971-12-17 1972-12-15 Stepwise control for two-step control with switching stages

Country Status (8)

Country Link
AT (1) AT318082B (de)
CH (1) CH545509A (de)
DE (1) DE2259596A1 (de)
FI (1) FI56454C (de)
FR (1) FR2163761B1 (de)
GB (1) GB1399648A (de)
NO (1) NO132447C (de)
SE (1) SE393690B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2839476C2 (de) * 1978-09-11 1982-09-09 Hydrotherm Gerätebau GmbH, 6110 Dieburg Regeleinrichtung für eine mittels zweier Teilstellglieder einer Gesamtstellgröße gesteuerten Regelstrecke
DE3049348C2 (de) * 1980-12-29 1985-10-31 Kraftwerk Union AG, 4330 Mülheim Elektrohydraulischer Stellantrieb für Turbinenventile
EP0785488A1 (de) * 1996-01-19 1997-07-23 Staefa Control System AG Regelkreis für Zweipunktregelung

Also Published As

Publication number Publication date
AT318082B (de) 1974-09-25
NO132447B (de) 1975-08-04
NO132447C (de) 1975-11-26
DE2259596A1 (de) 1973-06-20
FR2163761B1 (de) 1976-08-27
CH545509A (de) 1974-01-31
FR2163761A1 (de) 1973-07-27
FI56454B (fi) 1979-09-28
SE393690B (sv) 1977-05-16
FI56454C (fi) 1980-01-10

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee