KR970020260A - Second Cooling System Control System of Performance Equipment Using Fuzzy Prediction - Google Patents

Second Cooling System Control System of Performance Equipment Using Fuzzy Prediction Download PDF

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Publication number
KR970020260A
KR970020260A KR1019950038255A KR19950038255A KR970020260A KR 970020260 A KR970020260 A KR 970020260A KR 1019950038255 A KR1019950038255 A KR 1019950038255A KR 19950038255 A KR19950038255 A KR 19950038255A KR 970020260 A KR970020260 A KR 970020260A
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South Korea
Prior art keywords
fuzzy
control
secondary cooling
control system
predictor
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KR1019950038255A
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Korean (ko)
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박준곤
강문현
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유상부
삼성중공업 주식회사
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Priority to KR1019950038255A priority Critical patent/KR970020260A/en
Publication of KR970020260A publication Critical patent/KR970020260A/en

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Abstract

본 발명은 연주설비에 관한 것으로, 특히 퍼지제어기와 예측기를 장착하여 이차냉각대의 공기압 및 냉각수량을 제어함으로써 제어의 안정성과 응답속도를 개선한 퍼지예측을 이용한 연주설비의 이차냉각대 제어시스템에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a performance equipment, and more particularly, to a secondary cooling system control system of a performance equipment using fuzzy prediction which improves stability of control and response speed by controlling the air pressure and the amount of cooling water by installing a fuzzy controller and a predictor. will be.

본 발명에 따른 퍼지예측을 이용한 연주설비의 이차냉각대 제어시스템은 퍼지제어기와 예측기를 장착하여 응답속도를 개선하고 제어를 안정화시킴으로써 냉각수량과 공기압을 조절하는 액츄에이터의 이동횟수 및 이동거리를 최소화할 수 있다. 이에 따라서, 주조시 전력소비량이 절감되고 주판의 품질이 향상되는 잇점을 갓는다.Secondary cooling zone control system of the performance equipment using the fuzzy prediction according to the present invention is equipped with a fuzzy controller and a predictor to improve the response speed and stabilize the control to minimize the number of movements and the movement distance of the actuator to control the amount of cooling water and air pressure Can be. As a result, the power consumption is reduced during casting and the quality of the abacus is improved.

Description

퍼지예측을 이용한 연주설비의 이차냉각대 제어시스템Second Cooling System Control System of Performance Equipment Using Fuzzy Prediction

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 퍼지예측을 이용한 연주설비의 이차냉각대 제어시스템의 구성을 나타낸 블럭도,1 is a block diagram showing the configuration of a secondary cooling system control system of the performance equipment using the fuzzy prediction according to the present invention,

제2도는 제1도에 도시된 퍼지제어기의 구성을 나타낸 블럭도.2 is a block diagram showing the configuration of the fuzzy controller shown in FIG.

Claims (3)

연속주조설비의 이차냉각대의 냉가수량과 공기압을 조절하는 제어밸브를 제어하는 시스템에 있어서, 상기 제어밸브의 개/폐 정도를 검출하여 예측기로 보내는 검출기; 상기 검출기에서 검출된 실제개/폐 출력값과 퍼지제어기로부터 전송된 퍼지제어출력을 연산처리하여 차기의 예측치를 산정하여 퍼지제어기로 전송하는 예측기; 상기 예측기로부터 전송된 예측치 및, 기준입력값과 검출기로부터 검출된 실제출력값과의 편차를 입력받아 퍼지추론을 행해 제어출력을 플랜트에 인가하여 제어밸브의 개/폐 정도를 제어하는 퍼지제어기를 포함하는 퍼지 예측을 이용한 연주설비의 이차냉각대 제어시스템.A system for controlling a control valve for controlling cold water amount and air pressure of a secondary cooling stage of a continuous casting facility, the system comprising: a detector for detecting a degree of opening / closing of the control valve and sending it to a predictor; A predictor for calculating a predicted next value by calculating and processing a real open / closed output value detected by the detector and a fuzzy control output transmitted from a fuzzy controller; A fuzzy controller that receives the prediction value transmitted from the predictor and the deviation between the reference input value and the actual output value detected from the detector, performs fuzzy inference, and applies a control output to the plant to control the opening / closing degree of the control valve. Secondary Cooling Control System of Performance Equipment Using Fuzzy Prediction. 제1항에 있어서, 상기 퍼지제어기는 입력된 데이터가 냉각수데이터인지 공기압데이터인지를 판별하여 각기 다른 퍼지추론을 행하는 것을 특징으로 하는 퍼지예측을 이용한 연주설비의 이차냉각대 제어시스템.2. The secondary cooling zone control system according to claim 1, wherein the purge controller determines whether the input data is coolant data or air pressure data and performs different fuzzy inferences. 제2항에 있어서, 상기 퍼지추론의 결과는 다음과 같은 맴버쉽함수의 중심으로서 구해지는 것을 특징으로 하는 퍼지예측을 이용한 연주설비의 이차냉각대 제어시스템.3. The secondary cooling zone control system of a performance facility according to claim 2, wherein the result of the fuzzy inference is obtained as a center of a membership function as follows. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950038255A 1995-10-30 1995-10-30 Second Cooling System Control System of Performance Equipment Using Fuzzy Prediction KR970020260A (en)

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Application Number Priority Date Filing Date Title
KR1019950038255A KR970020260A (en) 1995-10-30 1995-10-30 Second Cooling System Control System of Performance Equipment Using Fuzzy Prediction

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Application Number Priority Date Filing Date Title
KR1019950038255A KR970020260A (en) 1995-10-30 1995-10-30 Second Cooling System Control System of Performance Equipment Using Fuzzy Prediction

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KR970020260A true KR970020260A (en) 1997-05-28

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154364A (en) * 1981-03-20 1982-09-24 Kobe Steel Ltd Controlling method for surface temperature of ingot in continuous casting
US4699202A (en) * 1986-10-02 1987-10-13 Bethlehem Steel Corporation System and method for controlling secondary spray cooling in continuous casting
JPH04237552A (en) * 1991-01-18 1992-08-26 Hitachi Zosen Corp Method for controlling secondary cooling in continuous casting equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154364A (en) * 1981-03-20 1982-09-24 Kobe Steel Ltd Controlling method for surface temperature of ingot in continuous casting
US4699202A (en) * 1986-10-02 1987-10-13 Bethlehem Steel Corporation System and method for controlling secondary spray cooling in continuous casting
JPH04237552A (en) * 1991-01-18 1992-08-26 Hitachi Zosen Corp Method for controlling secondary cooling in continuous casting equipment

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