JPS5691697A - Controlling circuit of stepping motor - Google Patents
Controlling circuit of stepping motorInfo
- Publication number
- JPS5691697A JPS5691697A JP16959179A JP16959179A JPS5691697A JP S5691697 A JPS5691697 A JP S5691697A JP 16959179 A JP16959179 A JP 16959179A JP 16959179 A JP16959179 A JP 16959179A JP S5691697 A JPS5691697 A JP S5691697A
- Authority
- JP
- Japan
- Prior art keywords
- current
- controlling circuit
- stepping motor
- driving
- constant
- 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
- 230000007423 decrease Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
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
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
- H02P8/12—Control or stabilisation of current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Stepping Motors (AREA)
Abstract
PURPOSE:To maintain the constant driving force of the motor with only one controlling circuit by a method wherein the variation of the current running to the stepping motor from the power source is detected and said current is controlled in such a manner that it is maintained constant by giving a detection signal. CONSTITUTION:When the speed of revolution increases, the driving current IO decreases and the voltage drop at both ends of a detecting resistor 6 is reduced. A controlling circuit 20 detects this voltage drop and increases the voltage between terminals 21 and 22. As a result, the driving current IO increases again, and the system is put in a balanced condition at the time when the driving current IO is returned to the original value. To be more precise, the controlling circuit 20 performs the function as a series regulator to obtain a constant-current characteristic by successively varying the current at the entrance to a stepping motor driving circuit 23.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16959179A JPS5691697A (en) | 1979-12-26 | 1979-12-26 | Controlling circuit of stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16959179A JPS5691697A (en) | 1979-12-26 | 1979-12-26 | Controlling circuit of stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5691697A true JPS5691697A (en) | 1981-07-24 |
Family
ID=15889319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16959179A Pending JPS5691697A (en) | 1979-12-26 | 1979-12-26 | Controlling circuit of stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5691697A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61114998U (en) * | 1984-12-25 | 1986-07-21 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4861915A (en) * | 1971-12-06 | 1973-08-30 | ||
| JPS4921615A (en) * | 1972-06-23 | 1974-02-26 |
-
1979
- 1979-12-26 JP JP16959179A patent/JPS5691697A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4861915A (en) * | 1971-12-06 | 1973-08-30 | ||
| JPS4921615A (en) * | 1972-06-23 | 1974-02-26 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61114998U (en) * | 1984-12-25 | 1986-07-21 | ||
| JPH0317596Y2 (en) * | 1984-12-25 | 1991-04-12 |
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