JPS5665214A - Level controller - Google Patents

Level controller

Info

Publication number
JPS5665214A
JPS5665214A JP13976679A JP13976679A JPS5665214A JP S5665214 A JPS5665214 A JP S5665214A JP 13976679 A JP13976679 A JP 13976679A JP 13976679 A JP13976679 A JP 13976679A JP S5665214 A JPS5665214 A JP S5665214A
Authority
JP
Japan
Prior art keywords
output
value
regulator
limit value
tank
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.)
Granted
Application number
JP13976679A
Other languages
Japanese (ja)
Other versions
JPS63807B2 (en
Inventor
Yoshiyuki Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP13976679A priority Critical patent/JPS5665214A/en
Publication of JPS5665214A publication Critical patent/JPS5665214A/en
Publication of JPS63807B2 publication Critical patent/JPS63807B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Non-Electrical Variables (AREA)
  • Continuous Casting (AREA)

Abstract

PURPOSE: To enable dealing with slow disturbance and gentle change of process constant by changing the limit value or regulator output using an average value of the regulator output in a proper period of time.
CONSTITUTION: The shifting tendency of the central value of control operational output MV of a regulator is calculated from an verage value of the control operational output in a fixed period from present retrospectively to the past using the first average operator, the center setting device and the second subtracter. Then, basing on the above, the upper limit value and lower limit value of a signal limiting device is changed without changing the width of limit. Since a stopper 3 that regulates the discharge from the first tank is controlled by such output of the signal limiting device, the level of the second tank 5 can be maintained within an allowable limit even against slow disturbance and gentle change of the process contant.
COPYRIGHT: (C)1981,JPO&Japio
JP13976679A 1979-10-31 1979-10-31 Level controller Granted JPS5665214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13976679A JPS5665214A (en) 1979-10-31 1979-10-31 Level controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13976679A JPS5665214A (en) 1979-10-31 1979-10-31 Level controller

Publications (2)

Publication Number Publication Date
JPS5665214A true JPS5665214A (en) 1981-06-02
JPS63807B2 JPS63807B2 (en) 1988-01-08

Family

ID=15252889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13976679A Granted JPS5665214A (en) 1979-10-31 1979-10-31 Level controller

Country Status (1)

Country Link
JP (1) JPS5665214A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05214768A (en) * 1992-01-31 1993-08-24 Daiwa House Ind Co Ltd Beam connecting structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05214768A (en) * 1992-01-31 1993-08-24 Daiwa House Ind Co Ltd Beam connecting structure

Also Published As

Publication number Publication date
JPS63807B2 (en) 1988-01-08

Similar Documents

Publication Publication Date Title
JPS578543A (en) Processing method for color photographic sensitive silver halide material
JPS5432179A (en) Controlling method for operation of fresh water making apparatus
JPS5392002A (en) Control method for water-level in boiler and its device
JPS5665214A (en) Level controller
DE3168496D1 (en) Process for the control of liquid-conditioning in an evaporation plant
JPS5520633A (en) Process control method of wet type lime gypsum method exhaust gas desulfurization apparatus
JPS52118947A (en) Control device for treating activated sludge water
JPS5549196A (en) Control method for excess sludge extraction
JPS5762406A (en) Process control system
JPS5346165A (en) Monitor-controller for active-sludge dirty-water treating device
JPS52104474A (en) Control method for crystal growth
JPS54150585A (en) Power-controlling reactor and apparatus
JPS55118104A (en) Numerical value correcting system for numerical control unit
DE3171872D1 (en) Method of equalizing the load of contaminants in a stream of waste water
JPS5586587A (en) Sewage treating apparatus
JPS53123374A (en) Controlling method for concentrating still
JPS6435052A (en) Engine controller
JPS56130298A (en) Controlling for quantity of activated sludge
JPS5341065A (en) Turbidity controller for sewage treating process
JPS52107480A (en) Cascade automatic control system
JPS565187A (en) Microorganism concentration controller for activated sludge in aeration tank
JPS51113361A (en) Foul water cleaning apparatus
JPS56157360A (en) Damping-water supplier
JPS5556895A (en) Predictive controlling method for concentration of mixed liquor suspended solid in active sludge method
JPS5294993A (en) Setting unit control system