CA1044785A - Automatic control system using error signal and integral and derivative thereof - Google Patents

Automatic control system using error signal and integral and derivative thereof

Info

Publication number
CA1044785A
CA1044785A CA235,566A CA235566A CA1044785A CA 1044785 A CA1044785 A CA 1044785A CA 235566 A CA235566 A CA 235566A CA 1044785 A CA1044785 A CA 1044785A
Authority
CA
Canada
Prior art keywords
signal
automatic control
amplifier
set forth
control circuit
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
CA235,566A
Other languages
English (en)
French (fr)
Inventor
Elwood J. Meyers
William J. Barrett
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 Buildings Americas Inc
Original Assignee
Barber Colman 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 Barber Colman Co filed Critical Barber Colman Co
Application granted granted Critical
Publication of CA1044785A publication Critical patent/CA1044785A/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
    • G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
    • G05B11/42—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
    • 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
    • H02P23/16—Controlling the angular speed of one shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Control Of Eletrric Generators (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Selective Calling Equipment (AREA)
  • Feedback Control In General (AREA)
  • Safety Devices In Control Systems (AREA)
CA235,566A 1975-01-02 1975-09-16 Automatic control system using error signal and integral and derivative thereof Expired CA1044785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/538,133 US4070609A (en) 1975-01-02 1975-01-02 Automatic control system

Publications (1)

Publication Number Publication Date
CA1044785A true CA1044785A (en) 1978-12-19

Family

ID=24145643

Family Applications (1)

Application Number Title Priority Date Filing Date
CA235,566A Expired CA1044785A (en) 1975-01-02 1975-09-16 Automatic control system using error signal and integral and derivative thereof

Country Status (9)

Country Link
US (1) US4070609A (en, 2012)
JP (1) JPS5192976A (en, 2012)
CA (1) CA1044785A (en, 2012)
DD (1) DD122291A5 (en, 2012)
DE (1) DE2543485A1 (en, 2012)
FR (1) FR2296880A1 (en, 2012)
GB (1) GB1507559A (en, 2012)
PL (1) PL112786B1 (en, 2012)
SE (1) SE7512767L (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4303873A (en) * 1980-06-27 1981-12-01 Honeywell Inc. Reset windup limiting
US5481170A (en) * 1993-08-11 1996-01-02 Eaton Corporation Method and apparatus for controlling shift force in an automated mechanical transmission
US6837474B1 (en) 2003-09-17 2005-01-04 Dresser-Rand Company Electrically operated remote trip mechanism and method
RU2568523C1 (ru) * 2014-07-11 2015-11-20 Закрытое акционерное общество "Экоресурс" Способ автоматического регулирования с реверсивным исполнительным механизмом

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1042140A (en) * 1962-11-12 1966-09-14 Dehavilland Aircraft Improvements in or relating to pulse train generators
US3288160A (en) * 1964-04-01 1966-11-29 Gen Electric Acceleration limiting long range speed control
US3391315A (en) * 1964-10-20 1968-07-02 Leeds & Northrup Co Process controller in which rate action is adaptively modified by process load using a pulse-width modulator
US3391316A (en) * 1964-10-20 1968-07-02 Leeds & Northrup Co Process controller in which proportional and reset actions are adaptively modified by process load
GB1205323A (en) * 1968-01-22 1970-09-16 Mini Of Technology Engine fuel supply servo systems
US3864554A (en) * 1969-03-03 1975-02-04 Alsthom Cgee Time delay compensation in a closed-loop process control system
JPS5030915B1 (en, 2012) * 1969-08-30 1975-10-04
US3741474A (en) * 1970-02-24 1973-06-26 Tokyo Keiki Kk Autopilot system
US3699989A (en) * 1970-06-18 1972-10-24 Lummus Co Feedback control apparatus
US3833860A (en) * 1972-04-20 1974-09-03 Sybron Corp Amplifier system having pseudo summing junction
GB1401042A (en) * 1972-05-30 1975-07-16 Suisse Horlogerie Quartz crystal resonator

Also Published As

Publication number Publication date
US4070609A (en) 1978-01-24
FR2296880B1 (en, 2012) 1979-06-22
JPS5192976A (en, 2012) 1976-08-14
SE7512767L (sv) 1976-07-05
DE2543485A1 (de) 1976-07-08
GB1507559A (en) 1978-04-19
DD122291A5 (en, 2012) 1976-09-20
PL112786B1 (en) 1980-10-31
FR2296880A1 (fr) 1976-07-30

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