JPS5553198A - Sensing pulse-motor irregularity - Google Patents
Sensing pulse-motor irregularityInfo
- Publication number
- JPS5553198A JPS5553198A JP12620978A JP12620978A JPS5553198A JP S5553198 A JPS5553198 A JP S5553198A JP 12620978 A JP12620978 A JP 12620978A JP 12620978 A JP12620978 A JP 12620978A JP S5553198 A JPS5553198 A JP S5553198A
- Authority
- JP
- Japan
- Prior art keywords
- variation
- irregularity
- pulse motor
- motor
- coil
- 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
Landscapes
- Control Of Stepping Motors (AREA)
Abstract
PURPOSE:To electrically sense the irregularity without mechanical sensors, by sensing the irregularity of a pulse motor from the variation of a current flowing through the coil of the pulse motor. CONSTITUTION:The variation of the input current flowing the coil of a pulse motor 2 is input to a differentiating unit 10. A pulse generator 5 generates pulses when the output of the differentiating unit 10 crosses a threshold value. A gate 11 is closed during the period the pulses from the pulse generator 5 is inputting, eliminates the increment of variation caused by the variation in the phase of the exciting coil, and sends out only the increment of variation in current caused by the rotation of a rotor. A wave-form converter 13 is turned on when the output of the gate crosses zero on the way from the positive side to the negative side. A comparator 14 receives the outputs of the wave-form converter 13 and the pulse generator 15 and sends out a signal E0. The irregularity of the pulse motor is sensed by the signal E0.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12620978A JPS5553198A (en) | 1978-10-16 | 1978-10-16 | Sensing pulse-motor irregularity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12620978A JPS5553198A (en) | 1978-10-16 | 1978-10-16 | Sensing pulse-motor irregularity |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5553198A true JPS5553198A (en) | 1980-04-18 |
Family
ID=14929410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12620978A Pending JPS5553198A (en) | 1978-10-16 | 1978-10-16 | Sensing pulse-motor irregularity |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5553198A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010268554A (en) * | 2009-05-13 | 2010-11-25 | Mycom Inc | Positioning device |
JP2010284053A (en) * | 2009-06-08 | 2010-12-16 | Mycom Inc | Stepping motor step-out detecting device |
-
1978
- 1978-10-16 JP JP12620978A patent/JPS5553198A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010268554A (en) * | 2009-05-13 | 2010-11-25 | Mycom Inc | Positioning device |
JP2010284053A (en) * | 2009-06-08 | 2010-12-16 | Mycom Inc | Stepping motor step-out detecting device |
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