JPS5713993A - Servo motor driving circuit - Google Patents
Servo motor driving circuitInfo
- 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
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.
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) |
-
1980
- 1980-06-27 JP JP8750180A patent/JPS5713993A/en active Pending
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