DE2125093A1 - - Google Patents

Info

Publication number
DE2125093A1
DE2125093A1 DE19712125093 DE2125093A DE2125093A1 DE 2125093 A1 DE2125093 A1 DE 2125093A1 DE 19712125093 DE19712125093 DE 19712125093 DE 2125093 A DE2125093 A DE 2125093A DE 2125093 A1 DE2125093 A1 DE 2125093A1
Authority
DE
Germany
Prior art keywords
pulses
proportional
counter
monitored
gate
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.)
Pending
Application number
DE19712125093
Other languages
German (de)
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.)
Chandler Evans Inc
Original Assignee
Chandler Evans Inc
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 Chandler Evans Inc filed Critical Chandler Evans Inc
Publication of DE2125093A1 publication Critical patent/DE2125093A1/de
Pending 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
    • G05B1/00—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values
    • G05B1/01—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric
    • G05B1/03—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric for comparing digital signals
    • 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)
  • Feedback Control In General (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Control Of Velocity Or Acceleration (AREA)
DE19712125093 1970-05-21 1971-05-19 Pending DE2125093A1 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3943170A 1970-05-21 1970-05-21

Publications (1)

Publication Number Publication Date
DE2125093A1 true DE2125093A1 (cs) 1971-12-02

Family

ID=21905417

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712125093 Pending DE2125093A1 (cs) 1970-05-21 1971-05-19

Country Status (4)

Country Link
US (1) US3651460A (cs)
CA (1) CA936258A (cs)
DE (1) DE2125093A1 (cs)
GB (1) GB1309711A (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004984A1 (de) * 1978-04-18 1979-10-31 German Dipl.-Ing. Grimm Schaltung zur Frequenzregelung in elektrischen Energieverteilungsnetzen
EP0236685A1 (de) * 1986-02-11 1987-09-16 Studer Revox Ag Verfahren und Vorrichtung zur Regelung der Drehzahl eines Elektromotors im Vierquadrantenbetrieb

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757750A (en) * 1970-09-17 1973-09-11 Diesel Kiki Co Electronic governor for injection-type internal combustion engines
US3724433A (en) * 1971-08-13 1973-04-03 Ambac Ind Engine governor system with signal-loss protection and controlled oscillator circuit suitable for use therein
US3766895A (en) * 1971-08-13 1973-10-23 Ambac Ind Electric speed control system and more-than-two-state phase detector suitable for use therein
US3889647A (en) * 1973-07-02 1975-06-17 Bendix Corp Speed governor for an engine having an electronic fuel injection system
US4321460A (en) * 1977-01-03 1982-03-23 Lanier Business Products, Inc. Digital control apparatus
US4393845A (en) * 1978-04-03 1983-07-19 The Bendix Corporation Means for improving the efficiency of an internal combustion engine
GB2136164B (en) * 1983-03-01 1987-03-25 Aisin Seiki Automobile speed control systems
US6674962B2 (en) 2002-01-29 2004-01-06 Siemens Vdo Automotive, Inc. Limited-pool random frequency for DC brush motor low frequency PWM speed control
DE102006030520B3 (de) * 2006-07-01 2007-06-21 Dräger Medical AG & Co. KG Vorrichtung zum Versorgen eines Patienten mit Atemgas und Verfahren zum Regeln einer Beatmungs-Vorrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246249A (en) * 1962-03-09 1966-04-12 Philco Corp Programmable digital high and low limit detector system
NL291619A (cs) * 1962-05-01 1900-01-01
US3176208A (en) * 1962-07-02 1965-03-30 North American Aviation Inc Phase locking control device
US3281607A (en) * 1963-08-29 1966-10-25 Int Resistance Co Nand nor logic circuit for use in a binary comparator
US3420989A (en) * 1965-07-16 1969-01-07 Us Navy Synchronizer for digital counters
GB1099928A (en) * 1965-07-26 1968-01-17 Ici Ltd Speed detection
US3437894A (en) * 1966-03-29 1969-04-08 Us Navy Multiple speed servomechanism drive system for positioning an antenna in direct response to digital signals
US3525044A (en) * 1968-02-28 1970-08-18 Vapor Corp Digital speed and control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004984A1 (de) * 1978-04-18 1979-10-31 German Dipl.-Ing. Grimm Schaltung zur Frequenzregelung in elektrischen Energieverteilungsnetzen
EP0236685A1 (de) * 1986-02-11 1987-09-16 Studer Revox Ag Verfahren und Vorrichtung zur Regelung der Drehzahl eines Elektromotors im Vierquadrantenbetrieb

Also Published As

Publication number Publication date
CA936258A (en) 1973-10-30
GB1309711A (en) 1973-03-14
US3651460A (en) 1972-03-21

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