JPS57177290A - Bridge servo circuit by chopper control - Google Patents

Bridge servo circuit by chopper control

Info

Publication number
JPS57177290A
JPS57177290A JP56060679A JP6067981A JPS57177290A JP S57177290 A JPS57177290 A JP S57177290A JP 56060679 A JP56060679 A JP 56060679A JP 6067981 A JP6067981 A JP 6067981A JP S57177290 A JPS57177290 A JP S57177290A
Authority
JP
Japan
Prior art keywords
lpf
resistor
transistor
voltage
motor
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
JP56060679A
Other languages
Japanese (ja)
Inventor
Itsuki Ban
Manabu Shiraki
Ikumasa Ikeda
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.)
Sekoh Giken KK
Secoh Giken Co Ltd
Original Assignee
Sekoh Giken KK
Secoh Giken Co 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 Sekoh Giken KK, Secoh Giken Co Ltd filed Critical Sekoh Giken KK
Priority to JP56060679A priority Critical patent/JPS57177290A/en
Publication of JPS57177290A publication Critical patent/JPS57177290A/en
Pending 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
    • H02P7/29—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 pulse modulation
    • H02P7/2913—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 pulse modulation whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

PURPOSE:To reduce the Joule loss of a transistor by using a transistor connected in series with a motor as switching. CONSTITUTION:A bridge circuit is composed of a motor 3 and resistors 4-6, the voltage of the resistor 4 is applied to the first LPF having a resistor 9 and a capacitor 8, and the voltage of the resistor 6 is applied to the second LPF having a capacitor 8. An operational amplifier 14 supplies the output responsive to the difference voltage between the output voltage of the first LPF and the output voltage of the second LPF to a Schmitt trigger circuit 22, which blocks a transistor 2 when a current flowing through the motor 3 detected by the resistor 4 rises over the upper side slice level and conducts the transistor 2 when the current drops below the lower side slice level.
JP56060679A 1981-04-23 1981-04-23 Bridge servo circuit by chopper control Pending JPS57177290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56060679A JPS57177290A (en) 1981-04-23 1981-04-23 Bridge servo circuit by chopper control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56060679A JPS57177290A (en) 1981-04-23 1981-04-23 Bridge servo circuit by chopper control

Publications (1)

Publication Number Publication Date
JPS57177290A true JPS57177290A (en) 1982-10-30

Family

ID=13149240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56060679A Pending JPS57177290A (en) 1981-04-23 1981-04-23 Bridge servo circuit by chopper control

Country Status (1)

Country Link
JP (1) JPS57177290A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53149616A (en) * 1977-06-01 1978-12-27 Itsuki Ban Constanttspeed control device of smalll outputtpower dc motor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53149616A (en) * 1977-06-01 1978-12-27 Itsuki Ban Constanttspeed control device of smalll outputtpower dc motor

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