JPS623667B2 - - Google Patents

Info

Publication number
JPS623667B2
JPS623667B2 JP53010504A JP1050478A JPS623667B2 JP S623667 B2 JPS623667 B2 JP S623667B2 JP 53010504 A JP53010504 A JP 53010504A JP 1050478 A JP1050478 A JP 1050478A JP S623667 B2 JPS623667 B2 JP S623667B2
Authority
JP
Japan
Prior art keywords
transistor
motor
voltage
base
resistor
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
JP53010504A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54104524A (en
Inventor
Yoshinori Fukasaku
Kunihiro Noto
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1050478A priority Critical patent/JPS54104524A/ja
Priority to US06/004,881 priority patent/US4274036A/en
Publication of JPS54104524A publication Critical patent/JPS54104524A/ja
Publication of JPS623667B2 publication Critical patent/JPS623667B2/ja
Granted 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
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/288—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using variable impedance
    • H02P7/2885—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using variable impedance whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/91—Operational/differential amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
JP1050478A 1978-02-03 1978-02-03 Speed control circuit for dc motor Granted JPS54104524A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1050478A JPS54104524A (en) 1978-02-03 1978-02-03 Speed control circuit for dc motor
US06/004,881 US4274036A (en) 1978-02-03 1979-01-19 Rotational speed control circuit for a D.C. motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1050478A JPS54104524A (en) 1978-02-03 1978-02-03 Speed control circuit for dc motor

Publications (2)

Publication Number Publication Date
JPS54104524A JPS54104524A (en) 1979-08-16
JPS623667B2 true JPS623667B2 (en]) 1987-01-26

Family

ID=11752027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1050478A Granted JPS54104524A (en) 1978-02-03 1978-02-03 Speed control circuit for dc motor

Country Status (2)

Country Link
US (1) US4274036A (en])
JP (1) JPS54104524A (en])

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54115750A (en) * 1978-02-28 1979-09-08 Nec Corp Compensation circuit against source voltage characteristic
US4415843A (en) * 1981-03-13 1983-11-15 Baxter Travenol Laboratories, Inc. Voltage regulator
FR2516317A1 (fr) * 1981-11-09 1983-05-13 Marchal Equip Auto Dispositif de protection du transistor de commande d'un moteur electrique, ensemble constitue par un tel dispositif et son moteur associe et utilisation dans un vehicule automobile
JPH06457B2 (ja) * 1984-04-13 1994-01-05 株式会社日立製作所 空気調和装置の温度制御方法
US4995094A (en) * 1985-07-19 1991-02-19 Omron Tateisi Electronics Co. DC motor control circuit providing variable speed operation
US4679112A (en) * 1986-07-31 1987-07-07 General Motors Corporation Transistor protection circuit for automotive motor control applications
US4806833A (en) * 1986-09-22 1989-02-21 General Electric Company System for conditioning air, method of operating such, and circuit
IT1224451B (it) * 1988-09-28 1990-10-04 Borletti Climatizzazione Regolatore di velocita per il motore di un elettroventilatore e sistema di controllo per un impianto di climatizzazione dell'abitacolo di un autoveicolo comprendente tale regolatore
US5437848A (en) * 1992-07-10 1995-08-01 Cabot Corporation Recovery of metal values from process residues
US5676069A (en) * 1993-02-22 1997-10-14 General Electric Company Systems and methods for controlling a draft inducer for a furnace
US5418438A (en) * 1993-02-26 1995-05-23 General Electric Company Draft inducer air flow control
US5616995A (en) * 1993-02-22 1997-04-01 General Electric Company Systems and methods for controlling a draft inducer for a furnace
US5682826A (en) * 1993-02-22 1997-11-04 General Electric Company Systems and methods for controlling a draft inducer for a furnace
US5680021A (en) * 1993-02-22 1997-10-21 General Electric Company Systems and methods for controlling a draft inducer for a furnace
US9550130B2 (en) * 2008-03-28 2017-01-24 Robotzone, Llc Kits and components for modular hobby mechanical and robotic construction
US10375901B2 (en) 2014-12-09 2019-08-13 Mtd Products Inc Blower/vacuum
US11009053B2 (en) 2016-10-21 2021-05-18 Robotzone, Llc Clamping hub
US11149767B2 (en) 2018-10-03 2021-10-19 Robotzone, Llc Clamping hub
US11994171B2 (en) 2018-10-10 2024-05-28 Robotzone, Llc Clamping shaft coupler

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250981A (en) * 1962-02-05 1966-05-10 Monte L Marks Voltage regulator
US3231808A (en) * 1963-06-24 1966-01-25 Beckman Instruments Inc Electronic motor control
US3447056A (en) * 1965-11-09 1969-05-27 Olympus Optical Co Apparatus for controlling the speed of a direct current motor
US3568027A (en) * 1969-11-18 1971-03-02 Ibm Motor control circuit with symmetrical topology

Also Published As

Publication number Publication date
JPS54104524A (en) 1979-08-16
US4274036A (en) 1981-06-16

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