JPS5493779A - Input data detector - Google Patents
Input data detectorInfo
- Publication number
- JPS5493779A JPS5493779A JP74278A JP74278A JPS5493779A JP S5493779 A JPS5493779 A JP S5493779A JP 74278 A JP74278 A JP 74278A JP 74278 A JP74278 A JP 74278A JP S5493779 A JPS5493779 A JP S5493779A
- Authority
- JP
- Japan
- Prior art keywords
- data
- unapproval
- sampling
- approved
- effected
- 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
- Testing And Monitoring For Control Systems (AREA)
Abstract
PURPOSE: To provide a data detector capable of acting a suitable operation, by means of judging as an abnormalness when data obtained by third sampling is also slipping off from the sine wave after the detecting that the detected data was slipped off from the sine wave.
CONSTITUTION: A memory part 1 memolizes in turn by means of receiving the sampling data every electrical angle h. And it outputs three sampling data I(t) I(t-h) I(t-2h) to an operating part 2. When the data is normal, the formula I(t) I(t-2h) = 2I(t-h) coswh is approved. When it is not approved, it returnes to (A) by means of memorizing the number of unapproval, and the same operation is effected by means of progressing one step memorizing data. When the number of the unapproval is continued three times, it is judged as that it was received by electrical disturbance, and when the number of unapproval is continued beyond four times, it is judged as the failure of the device, thereby a prescribed protective operation is effected.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP74278A JPS5493779A (en) | 1978-01-06 | 1978-01-06 | Input data detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP74278A JPS5493779A (en) | 1978-01-06 | 1978-01-06 | Input data detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5493779A true JPS5493779A (en) | 1979-07-25 |
Family
ID=11482155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP74278A Pending JPS5493779A (en) | 1978-01-06 | 1978-01-06 | Input data detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5493779A (en) |
-
1978
- 1978-01-06 JP JP74278A patent/JPS5493779A/en active Pending
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