JPH01172106U - - Google Patents
Info
- Publication number
- JPH01172106U JPH01172106U JP6891688U JP6891688U JPH01172106U JP H01172106 U JPH01172106 U JP H01172106U JP 6891688 U JP6891688 U JP 6891688U JP 6891688 U JP6891688 U JP 6891688U JP H01172106 U JPH01172106 U JP H01172106U
- Authority
- JP
- Japan
- Prior art keywords
- control calculation
- calculation result
- difference value
- specified value
- outputting
- 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
- 238000005070 sampling Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Feedback Control In General (AREA)
- Safety Devices In Control Systems (AREA)
Description
第１図は、この考案の一実施例を示すデイジタ
ル制御装置の出力部のブロツク図、第２図は、こ
の考案の他の実施例を示すデイジタル制御装置の
出力部のブロツク図、第３図は、一般的なデイジ
タル制御装置を説明するためのブロツク図である
。
１，１１：切替スイツチ、２：減算器、３：メ
モリ、４，１４：デイジタルスイツチ、５，１５
：比較器、１２：絶対値回路、１３：０信号回路
。
FIG. 1 is a block diagram of an output section of a digital control device showing one embodiment of this invention, FIG. 2 is a block diagram of an output section of a digital control device showing another embodiment of this invention, and FIG. 1 is a block diagram for explaining a general digital control device. 1, 11: Selector switch, 2: Subtractor, 3: Memory, 4, 14: Digital switch, 5, 15
: Comparator, 12: Absolute value circuit, 13: 0 signal circuit.
Claims (1)
行い、その制御演算結果を出力するデイジタル制
御装置において、 前回のサンプリング時の制御演算結果と今回の
サンプリング時の制御演算結果の差値を算出する
手段と、 前記差値と規定値とを比較する比較手段と、 前記比較手段の出力により、前記差値が規定値
より小さい場合に、今回の制御演算結果を出力し
、前記差値が規定値より大きい場合に、前回の制
御演算結果を出力する出力選択手段と、 を備えたことを特徴とするデイジタル制御装置
。[Scope of claim for utility model registration] In a digital control device that performs a predetermined control calculation at a predetermined sampling period and outputs the control calculation result, the control calculation result at the previous sampling and the control calculation result at the current sampling means for calculating a difference value; a comparison means for comparing the difference value with a specified value; and outputting a current control calculation result when the difference value is smaller than the specified value according to the output of the comparison means; A digital control device comprising: output selection means for outputting a previous control calculation result when the difference value is larger than a specified value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6891688U JPH01172106U (en) | 1988-05-25 | 1988-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6891688U JPH01172106U (en) | 1988-05-25 | 1988-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01172106U true JPH01172106U (en) | 1989-12-06 |
Family
ID=31294210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6891688U Pending JPH01172106U (en) | 1988-05-25 | 1988-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01172106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0643053A (en) * | 1991-03-07 | 1994-02-18 | Yokogawa Electric Corp | Vibration type sensor |
-
1988
- 1988-05-25 JP JP6891688U patent/JPH01172106U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0643053A (en) * | 1991-03-07 | 1994-02-18 | Yokogawa Electric Corp | Vibration type sensor |