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EP1181992A3 - Multivariable flatness control system - Google Patents

Multivariable flatness control system Download PDF

Info

Publication number
EP1181992A3
EP1181992A3 EP01119908A EP01119908A EP1181992A3 EP 1181992 A3 EP1181992 A3 EP 1181992A3 EP 01119908 A EP01119908 A EP 01119908A EP 01119908 A EP01119908 A EP 01119908A EP 1181992 A3 EP1181992 A3 EP 1181992A3
Authority
EP
European Patent Office
Prior art keywords
multivariable
control system
flatness control
flatness
measuring
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
EP01119908A
Other languages
German (de)
French (fr)
Other versions
EP1181992A2 (en
EP1181992B1 (en
Inventor
Jelali Mohieddine
Müller Ullrich
Thiemann Gerd
Wolff Andreas
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.)
BFI VDEH Institut fuer Angewandte Forschung GmbH
Original Assignee
BFI VDEH Institut fuer Angewandte Forschung GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7653388&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1181992(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BFI VDEH Institut fuer Angewandte Forschung GmbH filed Critical BFI VDEH Institut fuer Angewandte Forschung GmbH
Publication of EP1181992A2 publication Critical patent/EP1181992A2/en
Publication of EP1181992A3 publication Critical patent/EP1181992A3/en
Application granted granted Critical
Publication of EP1181992B1 publication Critical patent/EP1181992B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

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
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/20—Calculating means; Controlling methods
    • B65H2557/264—Calculating means; Controlling methods with key characteristics based on closed loop control
    • B65H2557/2644—Calculating means; Controlling methods with key characteristics based on closed loop control characterised by PID control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Feedback Control In General (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

Verfahren zum Messen und/oder Regeln der Planheit beim Walzen, bei dem die Planheitsfehler in unabhängige Komponenten zerlegt werden.

Figure 00000001
Method for measuring and / or regulating flatness during rolling, in which the flatness errors are broken down into independent components.
Figure 00000001
EP01119908A 2000-08-18 2001-08-17 Multivariable flatness control system Revoked EP1181992B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10041181 2000-08-18
DE10041181A DE10041181A1 (en) 2000-08-18 2000-08-18 Multivariable flatness control system

Publications (3)

Publication Number Publication Date
EP1181992A2 EP1181992A2 (en) 2002-02-27
EP1181992A3 true EP1181992A3 (en) 2003-05-02
EP1181992B1 EP1181992B1 (en) 2005-10-19

Family

ID=7653388

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01119908A Revoked EP1181992B1 (en) 2000-08-18 2001-08-17 Multivariable flatness control system

Country Status (5)

Country Link
US (1) US6721620B2 (en)
EP (1) EP1181992B1 (en)
JP (1) JP2002153909A (en)
AT (1) ATE306991T1 (en)
DE (2) DE10041181A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005527378A (en) * 2002-03-15 2005-09-15 シーメンス　アクチエンゲゼルシヤフト Computer-aided decision method for target values for profile and flatness control elements
CN1267215C (en) * 2002-11-20 2006-08-02 Posco株式会社 Fault diagnosis apparatus and method for hot fine rolling band steel
DE10327663A1 (en) * 2003-06-20 2005-01-05 Abb Patent Gmbh System and method for optimizing control of the thickness quality in a rolling process
DE102004005011B4 (en) * 2004-01-30 2008-10-02 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH Control method and controller for a rolling stand
CN100333845C (en) * 2004-08-30 2007-08-29 宝山钢铁股份有限公司 Method for designing roller shape and milling roller for inhibiting higher-order wave shape
FR2879486B1 (en) * 2004-12-22 2007-04-13 Vai Clecim Sa REGULATING THE PLANEITY OF A METAL STRIP AT THE EXIT OF A ROLLER CAGE
SE529074C2 (en) * 2005-06-08 2007-04-24 Abb Ab Method and apparatus for optimizing flatness control when rolling a belt
DE102005053489C5 (en) * 2005-11-09 2008-11-06 Siemens Ag Regulatory system and regulatory procedure for an industrial facility
EP1914875B8 (en) * 2006-10-20 2019-09-11 ABB Schweiz AG Control method and motorstarter device
US7823428B1 (en) 2006-10-23 2010-11-02 Wright State University Analytical method for use in optimizing dimensional quality in hot and cold rolling mills
JP4854602B2 (en) * 2007-06-15 2012-01-18 株式会社神戸製鋼所 Method for detecting the shape of rolled material
JP5207858B2 (en) * 2008-07-08 2013-06-12 株式会社神戸製鋼所 Method for predicting temperature at the tip of rolled material
DE102008035639A1 (en) * 2008-07-31 2010-02-04 Robert Bosch Gmbh Method for modeling a control loop for a processing machine
CN102500624B (en) * 2011-10-18 2014-09-10 中冶南方工程技术有限公司 Robust optimization control system and method for straightness of cold-rolled steel strip
CN103406364B (en) * 2013-07-31 2015-04-22 渤海大学 Method for predicting thickness of hot-rolled strip steel on basis of improved partial robust M-regression algorithm
DE102014007381A1 (en) 2014-05-20 2015-07-23 Asinco GmbH Method for measuring and controlling the flatness of a belt produced by belt rolling
CN107138540A (en) * 2017-04-06 2017-09-08 首钢总公司 The approximating method and evaluation method of a kind of strip section plate profile shape
EP3461567A1 (en) * 2017-10-02 2019-04-03 Primetals Technologies Germany GmbH Flatness control with optimiser
CN109604348B (en) * 2019-01-11 2023-11-03 中冶赛迪工程技术股份有限公司 Simulation loading and integrated testing system and method for hydraulic roller bending device of plate and strip rolling mill

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551805A (en) * 1980-10-30 1985-11-05 Mitsubishi Denki Kabushiki Kaisha Control system for strip configuration

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57109512A (en) * 1980-12-26 1982-07-08 Nippon Steel Corp Rolling method
JPS6133708A (en) * 1984-07-26 1986-02-17 Mitsubishi Electric Corp Determining method of drafting schedule of continuous rolling mill
SE500100C2 (en) * 1992-06-22 1994-04-18 Asea Brown Boveri Procedure and apparatus for flatness control of strips in rolling mills
DE19709992C1 (en) 1997-03-11 1998-10-01 Betr Forsch Inst Angew Forsch Method for measuring the surface geometry of hot strip

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551805A (en) * 1980-10-30 1985-11-05 Mitsubishi Denki Kabushiki Kaisha Control system for strip configuration

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GERWEN J F W VAN ET AL: "DEVELOPMENT OF ADVANCED FLATNESS CONTROL FOR HOOGOVENS' COLDMILL 21", JOURNAL A, SOFT VISION, BRUSSELS, BE, vol. 33, no. 4, 1 December 1992 (1992-12-01), pages 24 - 32, XP000335125, ISSN: 0771-1107 *
MARCOLINI M: "ABB MASTER IN CONTROL OF SENDZIMIR MILLS", ABB REVIEW, ABB ASEA BROWN BOVERI, ZURICH, CH, no. 6/7, 1993, pages 17 - 28, XP000394228, ISSN: 1013-3119 *

Also Published As

Publication number Publication date
ATE306991T1 (en) 2005-11-15
DE10041181A1 (en) 2002-05-16
US6721620B2 (en) 2004-04-13
EP1181992A2 (en) 2002-02-27
DE50107738D1 (en) 2005-11-24
JP2002153909A (en) 2002-05-28
US20020050070A1 (en) 2002-05-02
EP1181992B1 (en) 2005-10-19

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