KR970009914A - Short period thickness deviation control device of hot rolled steel - Google Patents

Short period thickness deviation control device of hot rolled steel Download PDF

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Publication number
KR970009914A
KR970009914A KR1019950024866A KR19950024866A KR970009914A KR 970009914 A KR970009914 A KR 970009914A KR 1019950024866 A KR1019950024866 A KR 1019950024866A KR 19950024866 A KR19950024866 A KR 19950024866A KR 970009914 A KR970009914 A KR 970009914A
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KR
South Korea
Prior art keywords
signal
rolled steel
adder
hot rolled
roll
Prior art date
Application number
KR1019950024866A
Other languages
Korean (ko)
Other versions
KR0158582B1 (en
Inventor
전종학
최일섭
Original Assignee
김종진
포항종합제철 주식회사
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 김종진, 포항종합제철 주식회사 filed Critical 김종진
Priority to KR1019950024866A priority Critical patent/KR0158582B1/en
Publication of KR970009914A publication Critical patent/KR970009914A/en
Application granted granted Critical
Publication of KR0158582B1 publication Critical patent/KR0158582B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/16—Control of thickness, width, diameter or other transverse dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/58—Roll-force control; Roll-gap control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2275/00—Mill drive parameters
    • B21B2275/02—Speed
    • B21B2275/04—Roll speed

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

열연강판의 단주기 두께 편차 제어장치에 관한 것으로, 열연강판 압연기의 롤 하중센서로부터 감지되는 신호와 피드백 신호를 가산기에서 가산하여 리미터에서 소정 범위의 신호만을 통과시키고 리미터를 통과한 신호를 로우패스 필터에 통과시켜 피드백 신호로서 가산기에 인가하고, 롤 속도센서로부터 감지되는 신호는 가산기출력과 승산하여 상기 로우패스 필터에 입력하여 피드백 신호를 만들고, 상기 가산기 출력은 위상반전시켜 롤갭제어기에 입력한다.The present invention relates to a short-period thickness variation control device of a hot rolled steel sheet. The signal and feedback signal detected by the roll load sensor of a hot rolled steel sheet are added by an adder to pass only a predetermined range of signals at the limiter, and a signal passing through the limiter is a low pass filter. Passing through and applying to the adder as a feedback signal, the signal sensed by the roll speed sensor is multiplied by the adder output and input to the low pass filter to produce a feedback signal, and the adder output is phase-inverted and input to the roll gap controller.

Description

열연강판의 단주기 두께 편차 제어장치Short period thickness deviation control device of hot rolled steel

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

제 1 도는 본 발명에 의한 단주기 두께 편차 제어장치가 적용된 압연기의 블록선도이다,1 is a block diagram of a rolling mill to which a short-period thickness variation control device according to the present invention is applied.

제 2 도는 본 발명에 의한 단주기 두께 편차 제어장치의 블록도이다.2 is a block diagram of a short period thickness variation control apparatus according to the present invention.

Claims (1)

열연강판 압연기의 롤 갭을 감지하는 롤갭센서와 상기 열연강판 압연기의 롤속도를 감지하는 롤 속도센서로부터 출력되는 감지신호를 롤갭제어기에서 처리하여 열연강판의 두께 편차를 제어하는 장치에 있어서, 상기 롤갭센서로부터 롤 갭감지신호를 입력받아 피드백 제어신호와 가산하여 출력하는 가산기와, 상기 가산기로부터 출력되는 신호중 소정값 이상의 신호를 제거하는 리미터와, 상기 리미터로부터 입력되는 신호와 상기 롤속도센서로부터 입력되는 신호를 승산한 후 소정주파수 이하의 신호만을 상기 가산기로 피드백시키는 로우패스필터와, 상기 가산기의 출력신호를 반전시켜 상기 롤갭제어기에서 입력하는 신호반전부를 구비하는 것을 특징으로 하는 열연강판의 단주기 두께 편차 제어장치.An apparatus for controlling a thickness variation of a hot rolled steel sheet by processing a roll gap sensor for detecting a roll gap of a hot rolled steel sheet rolling mill and a roll signal sensor for detecting a roll speed of the hot rolled steel sheet rolling mill in a roll gap controller. An adder which receives a roll gap detection signal from a sensor and adds the feedback signal to the feedback control signal, and outputs a limiter for removing a signal greater than or equal to a predetermined value among the signals output from the adder, a signal input from the limiter and a roll speed sensor And a low pass filter for feeding back only a signal below a predetermined frequency to the adder after multiplying the signal, and a signal inverting unit for inverting the output signal of the adder and inputting the roll gap controller. Deviation controller. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950024866A 1995-08-11 1995-08-11 Thickness deviation control device for hot stripe during short period KR0158582B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950024866A KR0158582B1 (en) 1995-08-11 1995-08-11 Thickness deviation control device for hot stripe during short period

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950024866A KR0158582B1 (en) 1995-08-11 1995-08-11 Thickness deviation control device for hot stripe during short period

Publications (2)

Publication Number Publication Date
KR970009914A true KR970009914A (en) 1997-03-27
KR0158582B1 KR0158582B1 (en) 1999-01-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950024866A KR0158582B1 (en) 1995-08-11 1995-08-11 Thickness deviation control device for hot stripe during short period

Country Status (1)

Country Link
KR (1) KR0158582B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030035426A (en) * 2001-10-31 2003-05-09 정재경 Peppers drying box and holding device the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3974073B1 (en) * 2020-09-28 2023-07-19 Primetals Technologies Germany GmbH Rolling taking into account frequency behaviour

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030035426A (en) * 2001-10-31 2003-05-09 정재경 Peppers drying box and holding device the same

Also Published As

Publication number Publication date
KR0158582B1 (en) 1999-01-15

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