JPS5745603A - Controller - Google Patents
ControllerInfo
- Publication number
- JPS5745603A JPS5745603A JP55121359A JP12135980A JPS5745603A JP S5745603 A JPS5745603 A JP S5745603A JP 55121359 A JP55121359 A JP 55121359A JP 12135980 A JP12135980 A JP 12135980A JP S5745603 A JPS5745603 A JP S5745603A
- Authority
- JP
- Japan
- Prior art keywords
- control signal
- controller
- multiplier
- circuit
- value
- 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
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Evolutionary Computation (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Metal Rolling (AREA)
- Feedback Control In General (AREA)
Abstract
PURPOSE:To assure a suitable control gain, by decreasing the control gain of a control signal when a control signal is greater than a prescribe value. CONSTITUTION:When a value of an inputted control signal is greater than a prescribed value, the control gain of said control signal is decreased. For example, a signal value detection circuit 21 and a multiplier are added between a PD controller 5 and a limiter. The multiplier 20 consists of a rectifying circuit, filter and variable gain change circuit. Thus, the control signal waveform produced with the PD controller is rectified at the rectifier and a filter circuit to be the waveform of envelope. The output is changed at a variable gain change circuit at a given level or more and the multiplication is made with the output from the PD controller and the multiplier 20.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55121359A JPS5745603A (en) | 1980-09-01 | 1980-09-01 | Controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55121359A JPS5745603A (en) | 1980-09-01 | 1980-09-01 | Controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5745603A true JPS5745603A (en) | 1982-03-15 |
Family
ID=14809301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55121359A Pending JPS5745603A (en) | 1980-09-01 | 1980-09-01 | Controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5745603A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01157710A (en) * | 1987-12-16 | 1989-06-21 | Kobe Steel Ltd | Automatic plate thickness control method for rolling mill |
-
1980
- 1980-09-01 JP JP55121359A patent/JPS5745603A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01157710A (en) * | 1987-12-16 | 1989-06-21 | Kobe Steel Ltd | Automatic plate thickness control method for rolling mill |
JPH0366044B2 (en) * | 1987-12-16 | 1991-10-16 | Kobe Steel Ltd |
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