FR2175794B1 - - Google Patents

Info

Publication number
FR2175794B1
FR2175794B1 FR7308066A FR7308066A FR2175794B1 FR 2175794 B1 FR2175794 B1 FR 2175794B1 FR 7308066 A FR7308066 A FR 7308066A FR 7308066 A FR7308066 A FR 7308066A FR 2175794 B1 FR2175794 B1 FR 2175794B1
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
Application number
FR7308066A
Other languages
French (fr)
Other versions
FR2175794A1 (it
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.)
Schneider Electric Systems USA Inc
Original Assignee
Foxboro Co
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 Foxboro Co filed Critical Foxboro Co
Publication of FR2175794A1 publication Critical patent/FR2175794A1/fr
Application granted granted Critical
Publication of FR2175794B1 publication Critical patent/FR2175794B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • 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
    • G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
    • 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
    • G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
    • G05B11/40—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining an integral characteristic
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Amplifiers (AREA)
  • Feedback Control In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
FR7308066A 1972-03-14 1973-03-07 Expired FR2175794B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23458172A 1972-03-14 1972-03-14

Publications (2)

Publication Number Publication Date
FR2175794A1 FR2175794A1 (it) 1973-10-26
FR2175794B1 true FR2175794B1 (it) 1977-09-02

Family

ID=22881966

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7308066A Expired FR2175794B1 (it) 1972-03-14 1973-03-07

Country Status (7)

Country Link
JP (1) JPS49681A (it)
CA (1) CA998758A (it)
DE (1) DE2310892A1 (it)
FR (1) FR2175794B1 (it)
GB (1) GB1416237A (it)
IT (1) IT984269B (it)
NL (1) NL7303572A (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD160247A3 (de) * 1981-02-17 1983-05-18 Werner Zuchhold Dreipunkt-schrittregler mit dpi-verhalten
DE3118259C2 (de) * 1981-05-08 1986-02-20 Hartmann & Braun Ag, 6000 Frankfurt Elektronischer PID-Regler
JPS5941006A (ja) * 1982-08-31 1984-03-07 Shimadzu Corp プロセス制御装置
US4577097A (en) * 1982-09-03 1986-03-18 The Babcock & Wilcox Company Three-mode analog controller with remote tuning

Also Published As

Publication number Publication date
IT984269B (it) 1974-11-20
AU5194573A (en) 1974-08-08
NL7303572A (it) 1973-09-18
JPS49681A (it) 1974-01-07
CA998758A (en) 1976-10-19
GB1416237A (en) 1975-12-03
DE2310892A1 (de) 1973-09-27
FR2175794A1 (it) 1973-10-26

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Legal Events

Date Code Title Description
ST Notification of lapse