JPS5762786A - Device to drive dc motor by step - Google Patents
Device to drive dc motor by stepInfo
- Publication number
- JPS5762786A JPS5762786A JP13704880A JP13704880A JPS5762786A JP S5762786 A JPS5762786 A JP S5762786A JP 13704880 A JP13704880 A JP 13704880A JP 13704880 A JP13704880 A JP 13704880A JP S5762786 A JPS5762786 A JP S5762786A
- Authority
- JP
- Japan
- Prior art keywords
- output
- motor
- negative
- positive
- comparator
- 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.)
- Granted
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
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stopping Of Electric Motors (AREA)
- Control Of Stepping Motors (AREA)
Abstract
PURPOSE:To effect control of the driving of a motor and its correct stopping in an open loop without detecting rotational speed, by making the DC motor perform step operation using an integrator. CONSTITUTION:Because the output of an AND gate 12 changes to negative by the change-over of a switch 2 when a time t0 is passed, a constant value current i1 which was flowing in the opposite direction flows in the direction shown in the figure through a capacitor C1, and since a capacitor C2 has a polarity as shown in the figure and the output of a comparator 15 changes from positive to negative, the transistor TR18 is turned on, and because the output of an AND gate 16 stays negative, transistors Q1 and Q3 continue to be on and transistors Q2 and Q4 continue to be off, accelerating a motor 3. When the state of the switch 2 is changed at a time t1, the output of the comparator 15 is maintained positive, changing the output of the AND gate 16 to positive and turning transistors Q1 and Q3 off and Q2 and Q4 on to invert electric voltage applied to the motor 3, which exerts reverse breaking. At a time t2 the output of the comparator 15 changes from positive to negative to turn off the transistor TR18 and the voltage applied to the motor 3 disappears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13704880A JPS5762786A (en) | 1980-09-30 | 1980-09-30 | Device to drive dc motor by step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13704880A JPS5762786A (en) | 1980-09-30 | 1980-09-30 | Device to drive dc motor by step |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5762786A true JPS5762786A (en) | 1982-04-15 |
| JPH0121717B2 JPH0121717B2 (en) | 1989-04-21 |
Family
ID=15189647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13704880A Granted JPS5762786A (en) | 1980-09-30 | 1980-09-30 | Device to drive dc motor by step |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5762786A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5910192A (en) * | 1982-07-06 | 1984-01-19 | Mitsubishi Motors Corp | Controlling method for dc motor |
| JPS59149499U (en) * | 1983-03-25 | 1984-10-05 | 日本電気ホームエレクトロニクス株式会社 | DC motor intermittent drive device |
| JPS6149695A (en) * | 1984-08-15 | 1986-03-11 | Hitachi Ltd | Head feeder |
-
1980
- 1980-09-30 JP JP13704880A patent/JPS5762786A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5910192A (en) * | 1982-07-06 | 1984-01-19 | Mitsubishi Motors Corp | Controlling method for dc motor |
| JPH056437B2 (en) * | 1982-07-06 | 1993-01-26 | Mitsubishi Motors Corp | |
| JPS59149499U (en) * | 1983-03-25 | 1984-10-05 | 日本電気ホームエレクトロニクス株式会社 | DC motor intermittent drive device |
| JPS6149695A (en) * | 1984-08-15 | 1986-03-11 | Hitachi Ltd | Head feeder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0121717B2 (en) | 1989-04-21 |
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