JPS5651668A - Detecting method for abnormal rotational speed of rotator - Google Patents
Detecting method for abnormal rotational speed of rotatorInfo
- Publication number
- JPS5651668A JPS5651668A JP12736879A JP12736879A JPS5651668A JP S5651668 A JPS5651668 A JP S5651668A JP 12736879 A JP12736879 A JP 12736879A JP 12736879 A JP12736879 A JP 12736879A JP S5651668 A JPS5651668 A JP S5651668A
- Authority
- JP
- Japan
- Prior art keywords
- rotational speed
- deviation
- rotator
- speed
- command
- 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
- Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
PURPOSE: To make it possible to supervise the rotational speed of a rotator automatically by detecting and displaying the deviation between a command rotational speed from a computer and the actual speed of the rotator by percentage and by sending an abnormality signal when the deviation exceeds the preset range.
CONSTITUTION: As the rotational speed command of a computer is supplied to DC servomotor 1, the frequency division of frequency dividing circuit 3 is set according to the command and as DC servomotor 1 rotates, rotational extent detector 2 outputs pulses of a frequency proportional to the rotational speed, to frequency dividing circuit 3. With the pulse of timer 5, up-down counter 4 is put into operation for a prescribed time and starts counting from 100 according to frequency division pulses; and the speed deviation is detected and displayed 6 by percentage and it is also compared 7 to allowable deviation value 8, so that when the count value exceeds the allowable range, abnormal rotation speed signal (d) will be sent out.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12736879A JPS5651668A (en) | 1979-10-04 | 1979-10-04 | Detecting method for abnormal rotational speed of rotator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12736879A JPS5651668A (en) | 1979-10-04 | 1979-10-04 | Detecting method for abnormal rotational speed of rotator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5651668A true JPS5651668A (en) | 1981-05-09 |
Family
ID=14958232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12736879A Pending JPS5651668A (en) | 1979-10-04 | 1979-10-04 | Detecting method for abnormal rotational speed of rotator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5651668A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58215979A (en) * | 1982-06-09 | 1983-12-15 | Canon Inc | Rotating controller for motor |
| JPS59209091A (en) * | 1983-04-01 | 1984-11-27 | Fujitsu Ltd | Runaway detection system of motor |
| JPS6135180A (en) * | 1984-07-26 | 1986-02-19 | Fuji Xerox Co Ltd | Motor controller for scanner |
| JPS63103688A (en) * | 1986-10-17 | 1988-05-09 | Central Glass Co Ltd | Diagnosing method and device for rotary equipment |
| JP2001264118A (en) * | 2000-02-28 | 2001-09-26 | Schneider Electric Ind Sa | Rotation monitoring system |
-
1979
- 1979-10-04 JP JP12736879A patent/JPS5651668A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58215979A (en) * | 1982-06-09 | 1983-12-15 | Canon Inc | Rotating controller for motor |
| JPS59209091A (en) * | 1983-04-01 | 1984-11-27 | Fujitsu Ltd | Runaway detection system of motor |
| JPH0121709B2 (en) * | 1983-04-01 | 1989-04-21 | Fujitsu Ltd | |
| JPS6135180A (en) * | 1984-07-26 | 1986-02-19 | Fuji Xerox Co Ltd | Motor controller for scanner |
| JPS63103688A (en) * | 1986-10-17 | 1988-05-09 | Central Glass Co Ltd | Diagnosing method and device for rotary equipment |
| JP2001264118A (en) * | 2000-02-28 | 2001-09-26 | Schneider Electric Ind Sa | Rotation monitoring system |
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