JPS5713993A - Servo motor driving circuit - Google Patents

Servo motor driving circuit

Info

Publication number
JPS5713993A
JPS5713993A JP8750180A JP8750180A JPS5713993A JP S5713993 A JPS5713993 A JP S5713993A JP 8750180 A JP8750180 A JP 8750180A JP 8750180 A JP8750180 A JP 8750180A JP S5713993 A JPS5713993 A JP S5713993A
Authority
JP
Japan
Prior art keywords
servo motor
transistors
driving circuit
bases
motor driving
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
JP8750180A
Other languages
Japanese (ja)
Inventor
Toshiharu Tanaka
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.)
Chino Works Ltd
Original Assignee
Chino Works 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 Chino Works Ltd filed Critical Chino Works Ltd
Priority to JP8750180A priority Critical patent/JPS5713993A/en
Publication of JPS5713993A publication Critical patent/JPS5713993A/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
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/24—Controlling the direction, e.g. clockwise or counterclockwise

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE:To improve the damping by making AC voltage to be applied to a servo motor linear near the balanced point in the relationship with a torque. CONSTITUTION:A signal (e) applied to input terminals 11 and 12 is fed to bases of transistors Tr1 and Tr2 while given to the input terminal of an operational amplifier A. The output of the operational amplifier A is applied to bases of transistors Tr3 and Tr4. The collectors of the transistors Tr1 and Tr4 and those of the transistors Tr2 and Tr4 are connected to an exciting winding L2 and a control winding L1 of a servo motor M and an AC power source S is connected to the connection point between the windings L2 and L1. With such an arrangement, an average output voltage to the servo motor M with respect to the input signal (e) changes linearly near the balanced point of zero in the input signal while it is kept at a large level. This improves the damping near the balanced point.
JP8750180A 1980-06-27 1980-06-27 Servo motor driving circuit Pending JPS5713993A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8750180A JPS5713993A (en) 1980-06-27 1980-06-27 Servo motor driving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8750180A JPS5713993A (en) 1980-06-27 1980-06-27 Servo motor driving circuit

Publications (1)

Publication Number Publication Date
JPS5713993A true JPS5713993A (en) 1982-01-25

Family

ID=13916720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8750180A Pending JPS5713993A (en) 1980-06-27 1980-06-27 Servo motor driving circuit

Country Status (1)

Country Link
JP (1) JPS5713993A (en)

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