KR20000011879A - 압연기의안정화제어방법및그장치 - Google Patents
압연기의안정화제어방법및그장치 Download PDFInfo
- Publication number
- KR20000011879A KR20000011879A KR1019990029582A KR19990029582A KR20000011879A KR 20000011879 A KR20000011879 A KR 20000011879A KR 1019990029582 A KR1019990029582 A KR 1019990029582A KR 19990029582 A KR19990029582 A KR 19990029582A KR 20000011879 A KR20000011879 A KR 20000011879A
- Authority
- KR
- South Korea
- Prior art keywords
- control
- rolling mill
- rolling
- time constant
- meandering
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000006641 stabilisation Effects 0.000 claims abstract description 32
- 238000011105 stabilization Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000003381 stabilizer Substances 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002207 retinal effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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
-
- 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
- B21B37/68—Camber or steering control for strip, sheets or plates, e.g. preventing meandering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Feedback Control In General (AREA)
Abstract
Description
Claims (4)
- 압연중에 발생하는 압연재의 사행(蛇行)에 대해, 압연기에 설치된 하중센서에 의해 검출되는 좌우의 하중의 편차에 따라, 비례미분제어를 해서 압하(壓下)장치에 부여하는 좌우의 레베링의 편차의 지령치를 연산하고, 상기 지령치에 따라 롤갭을 조절해서 압연재의 사행을 안정화하는 압연의 안정화 제어에서, 상기 압연기의 동작주파수특성의 0점시정수와 거의같은 극시정수를 갖는 안정화 로패스필터를 구비한 것을 특징으로 하는 압연기의 안정화 제어방법.
- 제 1 항에 있어서,압연의 안정화 제어에서, 제어대상인 압연기의 특성을 포함한 사행현상의 주파수특성을 해석해서, 제어대상의 0점에 따라 상기 안정화 로패스필터의 극시정수를 결정하고 제어대상의 극에따라 비례미분제어의 0점 시정수를 결정하는 것을 특징으로 하고, 저주파역과 고주파역의 특성을 각각 독립적으로 설정하는 것을 가능하게한 압연기의 안정화 제어방법.
- 제 2 항에 있어서,압연의 안정화 제어에서, 압연재의 사행량과 로바스트 안정성의 양면을 고려해서 이득계수를 결정하는 것을 특징으로 하는 압연기의 안정화 제어방법.
- 길이가 긴 압연재를 압연하는 압연기에서 좌우의 압하하중을 측정하는 압력센서와, 상기 좌우의 압력신호에 따라 좌우의 압하지령신호를 발생하는 제어장치를 구비하고, 상기 제어장치는 압연기의 동작 주파수특성의 극시정수와 거의 같은 비례미분제어 시정수와 압연기의 0점 시정수와 거의 같은 극시정수의 안정화 로패스필터를 구비하고, 압연재의 사행현상을 안정하게 제어하는 압연기의 안정화 제어장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20805098A JP3812157B2 (ja) | 1998-07-23 | 1998-07-23 | 圧延機の安定化制御方法およびその装置 |
JP98-208050 | 1998-07-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000011879A true KR20000011879A (ko) | 2000-02-25 |
KR100464766B1 KR100464766B1 (ko) | 2005-01-05 |
Family
ID=16549825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-0029582A KR100464766B1 (ko) | 1998-07-23 | 1999-07-21 | 압연기의 안정화 제어방법 및 그 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6082161A (ko) |
JP (1) | JP3812157B2 (ko) |
KR (1) | KR100464766B1 (ko) |
CN (1) | CN1143741C (ko) |
BR (1) | BR9902889A (ko) |
TW (1) | TW418121B (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3701981B2 (ja) * | 1998-02-27 | 2005-10-05 | 新日本製鐵株式会社 | 板圧延方法および板圧延機 |
KR100498068B1 (ko) * | 2000-12-21 | 2005-07-01 | 주식회사 포스코 | 박판주조기에서의 연속열간압연방법 |
KR100497081B1 (ko) * | 2000-12-26 | 2005-06-23 | 주식회사 포스코 | 강판의 사행제어기를 위한 제어이득의 자동조정 방법 |
KR100836453B1 (ko) * | 2001-12-26 | 2008-06-09 | 주식회사 포스코 | 조압연롤의 절손 감지방법 |
JP4390742B2 (ja) | 2005-04-21 | 2009-12-24 | 東芝機械株式会社 | 賦形シート成形装置およびその回転位相差制御方法 |
DE102007001539A1 (de) * | 2007-01-10 | 2008-07-17 | Siemens Ag | Steuerverfahren für ein Walzgerüst zum Walzen eines Bandes |
EP2014380A1 (fr) * | 2007-06-11 | 2009-01-14 | ArcelorMittal France | Procédé de laminage d'une bande métallique avec régulation de sa position latérale d'une bande et laminoir adapté |
US9669438B2 (en) | 2012-04-24 | 2017-06-06 | Nippon Steel & Sumitomo Metal Corporation | Rolling apparatus and rolling monitoring method |
CN104353676B (zh) * | 2014-11-14 | 2016-04-13 | 北京金自天正智能控制股份有限公司 | 一种大盘卷夹送辊全自动控制方法 |
CN112337980A (zh) * | 2020-10-16 | 2021-02-09 | 中冶京诚工程技术有限公司 | 棒线材轧机转速低通滤波方法及装置 |
CN112536322B (zh) * | 2020-11-11 | 2023-01-31 | 山西太钢不锈钢股份有限公司 | 不对称表面不锈钢的轧制方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5588914A (en) * | 1978-12-27 | 1980-07-05 | Nippon Steel Corp | Controlling method for rolling mill |
JPS5868413A (ja) * | 1981-10-21 | 1983-04-23 | Hitachi Ltd | 圧延機の制御方法 |
JPS597415A (ja) * | 1982-07-05 | 1984-01-14 | Hitachi Ltd | 圧延機の制御方法 |
US4521859A (en) * | 1982-10-27 | 1985-06-04 | General Electric Company | Method of improved gage control in metal rolling mills |
JPS59189011A (ja) * | 1983-04-12 | 1984-10-26 | Ishikawajima Harima Heavy Ind Co Ltd | 圧延材の蛇行及び横曲り制御方法及びその装置 |
JP2659820B2 (ja) * | 1989-09-27 | 1997-09-30 | 石川島播磨重工業株式会社 | 圧延機板厚制御装置 |
JP2565600B2 (ja) * | 1991-03-25 | 1996-12-18 | 新日本製鐵株式会社 | 圧延機に於ける蛇行制御方法 |
JPH06182417A (ja) * | 1992-12-17 | 1994-07-05 | Nippon Steel Corp | 圧延材の蛇行制御装置 |
JPH08323412A (ja) * | 1995-05-30 | 1996-12-10 | Sumitomo Light Metal Ind Ltd | 圧延機における板の蛇行制御方法 |
-
1998
- 1998-07-23 JP JP20805098A patent/JP3812157B2/ja not_active Expired - Lifetime
-
1999
- 1999-07-20 TW TW088112260A patent/TW418121B/zh not_active IP Right Cessation
- 1999-07-21 US US09/357,911 patent/US6082161A/en not_active Expired - Lifetime
- 1999-07-21 KR KR10-1999-0029582A patent/KR100464766B1/ko not_active IP Right Cessation
- 1999-07-22 BR BR9902889-1A patent/BR9902889A/pt not_active IP Right Cessation
- 1999-07-23 CN CNB991105346A patent/CN1143741C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2000042615A (ja) | 2000-02-15 |
TW418121B (en) | 2001-01-11 |
CN1143741C (zh) | 2004-03-31 |
CN1247779A (zh) | 2000-03-22 |
US6082161A (en) | 2000-07-04 |
JP3812157B2 (ja) | 2006-08-23 |
BR9902889A (pt) | 2000-03-28 |
KR100464766B1 (ko) | 2005-01-05 |
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