JPS5577384A - Servo driving system - Google Patents
Servo driving systemInfo
- Publication number
- JPS5577384A JPS5577384A JP15078678A JP15078678A JPS5577384A JP S5577384 A JPS5577384 A JP S5577384A JP 15078678 A JP15078678 A JP 15078678A JP 15078678 A JP15078678 A JP 15078678A JP S5577384 A JPS5577384 A JP S5577384A
- Authority
- JP
- Japan
- Prior art keywords
- control unit
- circuit
- value
- output
- latch
- 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
Abstract
PURPOSE: To perform accurate control for stoppage in a commanded position, by detecting an extreme error value which is a largest overshoot length and by generating a rectangular-wave driving current for a servomotor to be rotated again toward the commanded position, for a time corresponding to the extreme error value.
CONSTITUTION: The output of a position sensor for a servomotor is changed into a digital value of several bits by an A-D convension circuit 4. The digital value is applied to a control unit 8, which is made of a microcomputer or the like. After the control unit detects the time of passing over a commanded position, the unit samples the output of the position sensor at a prescribed period. At each sampling, the control unit 8 compares the preceding and present sampled values with each other to detect a peak value. When the control unit detects the peak value, the unit produces a latch timing signal LT to cause a peak value latch circuit 5 to latch the digital value supplied from the circuit 4. At the same time, a trigger signal is applied to a monomultivibrator 6. The output of the monomultivibrator is entered into a differentiation circuit 7 to generate a motor turn-off timing signal MOT.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15078678A JPS5577384A (en) | 1978-12-05 | 1978-12-05 | Servo driving system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15078678A JPS5577384A (en) | 1978-12-05 | 1978-12-05 | Servo driving system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5577384A true JPS5577384A (en) | 1980-06-11 |
Family
ID=15504393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15078678A Pending JPS5577384A (en) | 1978-12-05 | 1978-12-05 | Servo driving system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5577384A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6455610A (en) * | 1987-08-26 | 1989-03-02 | Matsushita Electric Works Ltd | Positioning device |
US5561355A (en) * | 1992-10-27 | 1996-10-01 | Matsushita Electric Industrial Co., Ltd. | Motor drive apparatus and method of controlling the same |
-
1978
- 1978-12-05 JP JP15078678A patent/JPS5577384A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6455610A (en) * | 1987-08-26 | 1989-03-02 | Matsushita Electric Works Ltd | Positioning device |
US5561355A (en) * | 1992-10-27 | 1996-10-01 | Matsushita Electric Industrial Co., Ltd. | Motor drive apparatus and method of controlling the same |
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