WO1999024182A1 - Verfahren und einrichtung zur steuerung einer hüttentechnischen anlage - Google Patents
Verfahren und einrichtung zur steuerung einer hüttentechnischen anlage Download PDFInfo
- Publication number
- WO1999024182A1 WO1999024182A1 PCT/DE1998/003142 DE9803142W WO9924182A1 WO 1999024182 A1 WO1999024182 A1 WO 1999024182A1 DE 9803142 W DE9803142 W DE 9803142W WO 9924182 A1 WO9924182 A1 WO 9924182A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steel
- aluminum
- material properties
- operating parameters
- metallurgical plant
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/0265—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric the criterion being a learning criterion
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
Definitions
- the invention relates to a method and a device for controlling a Huttentechmschen plant for the production of steel or aluminum, in particular a rolling mill, wherein m the Huttentechmschen plant from input materials steel or aluminum with certain material properties dependent on the structure of the steel or aluminum, and wherein the The material properties of the steel or aluminum depend on the operating parameters with which the system is operated.
- the corresponding operating parameters are usually set by an operator of the Huttentechmschen system so that the material properties of the steel or aluminum correspond to the desired, predetermined material properties. To do this, the operator usually relies on experience, e.g. in the form of a table.
- the object is achieved by a method according to claim 1 or a device according to claim 5.
- the operating parameters are determined by means of a structure optimizer as a function of the desired material properties of the steel or aluminum. Material properties such as come particularly advantageously
- the method according to the invention makes it possible to set operating parameters of a Huttentechmschen system such that the steel or aluminum produced has the desired material properties.
- the microstructure optimizer has a microstructure observer which predicts the material properties of a steel or aluminum produced in a slurry-technical plant as a function of its operating parameters.
- a structure observer advantageously has a neural network.
- the structure optimizer determines at least one of the large ones
- the structure observer determines at least one of the large yield strength, yield strength, tensile strength, elongation at break, hardness, transition temperature, anisotropy and
- Strengthening exponent of the steel to be examined depending on the individual alloy proportions in the steel It has proven to be particularly advantageous, at least: one of the large yield strength, yield strength, tensile strength, elongation at break, hardness and transition temperature depending on the carbon content, the silicon content, the manganese content, the phosphorus content, the sulfur content, the cobalt content, the aluminum content, and the chrome content , of the molybdenum component, of the nickel component, of the vanadium component, of the copper component, of the Zmn component, of the calcium component, of the titanium component, of the boron component, of the niobium component, of the arsenic component, of the tungsten component and of the nitrogen component.
- the structure observer determines at least one of the large yield strength, yield strength, tensile strength, elongation at break, hardness, transition temperature, anisotropy and hardening exponent of the steel to be examined as a function of the carbon content in the steel or the carbon equivalents or the useful and / or or pollutant levels.
- F FIIGG 2 2 the integration of a structure optimizer in the
- FIG. 4 shows an alternative embodiment of a structure observer
- FIG. 5 shows another alternative embodiment of a structure observer
- FIG. 6 shows the use of genetic algorithms in a structure optimizer.
- the iteration loop 6 outlines the use of multiple rolling stands in a rolling mill or the repeated passage of rolling stock through a reversing grate.
- the process shown in blocks 2, 3 and 4 is repeated for each rolling process, but always starting from the structure after the previous rolling process.
- a microstructure corresponding to block 5 After rolling and subsequent cooling, a microstructure corresponding to block 5 has formed.
- This structure shows certain material properties such as certain values for yield strength, yield strength, tensile strength, elongation at break, hardness, anisotropy and strengthening exponent.
- a rolling mill (and / or a continuous casting installation) is set in such a way that at the end sets up a microstructure with the desired values for yield strength, yield strength, tensile strength, elongation at break, hardness, transition temperature, anisotropy and / or hardening exponent. This is done by means of a structure optimizer, as shown in FIG. 2.
- reference numeral 15 denotes a rolling strip m on a rolling train 16, the material or use properties of which, after rolling, should correspond to setpoints 11 for the material or use properties.
- Actuators 17 are provided to influence the rolling train.
- measuring devices 18 are provided for measuring certain states of the rolling mill.
- the operating parameters of the rolling mill 16, which are set with the actuators 17, are determined with a structure optimizer 20.
- the microstructure optimizer 20 has a microstructure observer 25 which, depending on a standard pass schedule 10, chemical analysis values 12 of the rolling strip 15 and a prediction 24 of settings for the rolling mill 16 determined, determines the material to be expected. ⁇ al or usage properties of the rolled strip 15 determined.
- Such a structure observer 25 is shown in more detail in FIGS. 3, 4 and 5.
- a comparator 21 there is a comparison between the target values 11 for the material or usage properties and the values for the material or usage properties determined by the structure observer 25. If the target values 11 for the material or usage properties and the values for the material or usage properties determined by the structure observer 25 are not precise enough, the path 26 is followed. According to a selected optimization criterion, the operating parameters, in this case input temperature T em / output temperature T off, and the degrees of reduction ⁇ x of the individual rolling stands m are varied in a weighted variation 22.
- an adaptation 13 of the pre-calculation 24 is provided, by means of which the models on which the pre-calculation 24 is based are adapted as a function of measured values of the measuring devices 18 and a post-calculation 14.
- the settings for the rolling mill 16 calculated in advance 24 for the rolling mill 16 are not the input variable of the structure observer 25, but rather the operating parameters, ie in the present case T eln , T_ us and ⁇ x .
- It can also be provided, by means of a structure optimizer according to FIG and a hot rolling mill or a Huttentechmsche plant consisting essentially of a continuous casting plant, a rolling mill and a cooling section. For this purpose, appropriately expanded structure observers and correspondingly more operating parameters are to be used.
- the invention is also suitable for setting a track.
- microstructure optimizer it is particularly advantageous to use the microstructure optimizer to simultaneously use other parameters, such as Energy consumption or roller wear to optimize with the microstructure optimizer 20.
- P B denotes the operating parameters and P M the material or usage properties of a steel or aluminum.
- Reference numeral 50 denotes a neural network which determines the material or usage properties P such as yield strength, yield strength, tensile strength, elongation at break, hardness, transition temperature, anisotropy and / or hardening exponent m as a function of the operating parameters P B.
- the design of such a neural network can be found in DE 197 38 943.
- This structure observer has a grain size model 51 and an analytical material model 52. Details of these models can be found in the article "Recrystallization and gram growth m hot rollmg" by CM Seilers and JA Whiteman, Material Science, Marz / Ap ⁇ l 1979, pages 187 to 193.
- the grain size model 51 determines the grain size d ⁇ if the temperature is not or only partially crystallized m as a function of operating parameters P B.
- the material model 52 determines the material or usage properties P M m as a function of the femt grain size d ⁇ with not or only partially crystallized emptying and the operating parameters P B - the bed parameters P B , which are used as input sizes for the grain size model 51 and the material model 52, are not necessarily identical. Different operating parameters can be used as input variables.
- FIG. 5 shows a structure observer corresponding to FIG. 4, the analytical material model 52 being replaced by a neural network 53.
- a neural network 53 is to be implemented, for example, in accordance with DE 197 38 943, with the particle size d ⁇ being provided as an additional input variable for the neural networks disclosed in DE 197 38 943 if the temperature is not or only partially crystallized.
- FIG 2 are advantageously genetic algorithms insertion ⁇ bar.
- FIG. 6 shows in a simplified manner the procedure for optimizing using genetic algorithms. The optimization is done in such a way
- genes 40 that values for the parameters to be optimized are arranged in so-called genes 40, which in turn are assigned to individuals 41 in a so-called population,
- chromosomes are summarized, which are inherited during recombination, - that the individuals with their genes, ie the values for the corresponding parameters, are evaluated by means of an optimization function and
- step 32 in FIG. 6 a selection of individuals for a new population takes place, with statistically preferred individuals who fulfill the optimization function better than other individuals,
- step 32 in FIG. 6 is implemented in the comparator 21 or the evaluation in the structure observer 25 in FIG.
- the steps 33 and 35 in FIG. 6 are implemented in the weighted variation 32 in FIG.
- the parameters summarized in the genes correspond, for example, to the operating parameters T_ ⁇ n , Y ⁇ and ⁇ x in FIG. 2. It is particularly advantageous to include further parameters, in particular optimization criteria, such as energy consumption or roller wear, in the optimization. The genes corresponding to these parameters must be provided accordingly. The other parameters are then optimized simultaneously with the operating parameters.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/554,171 US6546310B1 (en) | 1997-11-10 | 1998-10-27 | Process and device for controlling a metallurgical plant |
DE19881711.8T DE19881711C5 (de) | 1997-11-10 | 1998-10-27 | Verfahren und Einrichtung zur Steuerung einer Hüttentechnischen Anlage |
AT0911998A AT414316B (de) | 1997-11-10 | 1998-10-27 | Verfahren und einrichtung zur steuerung einer hüttentechnischen anlage |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19749460 | 1997-11-10 | ||
DE19749460.9 | 1997-11-10 | ||
DE19806267.2 | 1998-02-16 | ||
DE19806267A DE19806267A1 (de) | 1997-11-10 | 1998-02-16 | Verfahren und Einrichtung zur Steuerung einer hüttentechnischen Anlage |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999024182A1 true WO1999024182A1 (de) | 1999-05-20 |
Family
ID=7848070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1998/003142 WO1999024182A1 (de) | 1997-11-10 | 1998-10-27 | Verfahren und einrichtung zur steuerung einer hüttentechnischen anlage |
Country Status (6)
Country | Link |
---|---|
US (1) | US6546310B1 (de) |
KR (1) | KR100402720B1 (de) |
CN (1) | CN1139442C (de) |
AT (1) | AT414316B (de) |
DE (2) | DE19806267A1 (de) |
WO (1) | WO1999024182A1 (de) |
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WO2004050923A1 (de) * | 2002-12-05 | 2004-06-17 | Sms Demag Aktiengesellschaft | Verfahren zur proozesssteuerung oder prozessregelung einer anlage zur umformung, kühllung und/oder wärmebehandlung von metall |
DE10339766A1 (de) * | 2003-08-27 | 2005-04-07 | Siemens Ag | Verfahren und Einrichtung zur Steuerung einer Anlage zur Herstellung von Stahl |
EP1608472B1 (de) | 2003-03-28 | 2016-09-07 | Tata Steel Limited | System zur online-eigenschaftsvorhersage für warmgewalzte bunde in einem warmband-walzwerk |
DE102016100811A1 (de) | 2015-09-25 | 2017-03-30 | Sms Group Gmbh | Verfahren und Ermittlung der Gefügebestandteile in einer Glühlinie |
DE19881711C5 (de) * | 1997-11-10 | 2019-02-14 | Primetals Technologies Germany Gmbh | Verfahren und Einrichtung zur Steuerung einer Hüttentechnischen Anlage |
DE102018220500A1 (de) | 2018-11-28 | 2020-05-28 | Sms Group Gmbh | Verfahren zur Herstellung eines Mehrphasenstahls |
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DE19930173A1 (de) * | 1999-06-30 | 2001-01-04 | Parsytec Comp Gmbh | Verfahren und Vorrichtung zur prozeßoptimierenden Einstellung von Parametern eines Produktionsprozesses |
US7376472B2 (en) * | 2002-09-11 | 2008-05-20 | Fisher-Rosemount Systems, Inc. | Integrated model predictive control and optimization within a process control system |
US8833338B2 (en) * | 2005-03-09 | 2014-09-16 | Merton W. Pekrul | Rotary engine lip-seal apparatus and method of operation therefor |
WO2008000845A1 (es) * | 2006-06-19 | 2008-01-03 | Fundacion Labein | Método y sistema de optimización de procesos de laminación de acero |
EP2280324A1 (de) | 2009-07-08 | 2011-02-02 | Siemens Aktiengesellschaft | Steuerverfahren für ein Walzwerk mit Adaption eines von einem Walzmodell verschiedenen Zusatzmodells anhand einer Walzgröße |
CN101850410B (zh) * | 2010-06-22 | 2012-06-20 | 攀钢集团钢铁钒钛股份有限公司 | 一种基于神经网络的连铸漏钢预报方法 |
JP6068146B2 (ja) * | 2013-01-10 | 2017-01-25 | 東芝三菱電機産業システム株式会社 | 設定値計算装置、設定値計算方法、及び設定値計算プログラム |
AT514380B1 (de) * | 2013-05-03 | 2015-04-15 | Siemens Vai Metals Tech Gmbh | Bestimmung des ferritischen Phasenanteils nach dem Erwärmen oder Abkühlen eines Stahlbands |
DE102014224461A1 (de) * | 2014-01-22 | 2015-07-23 | Sms Siemag Ag | Verfahren zur optimierten Herstellung von metallischen Stahl- und Eisenlegierungen in Warmwalz- und Grobblechwerken mittels eines Gefügesimulators, -monitors und/oder -modells |
DE102016222644A1 (de) * | 2016-03-14 | 2017-09-28 | Sms Group Gmbh | Verfahren zum Walzen und/oder zur Wärmebehandlung eines metallischen Produkts |
KR20190078337A (ko) * | 2017-12-26 | 2019-07-04 | 주식회사 포스코 | 인공지능을 이용한 압연기 제어 장치 |
CN113316747B (zh) * | 2018-12-18 | 2023-07-25 | 安赛乐米塔尔公司 | 控制方法和电子设备、计算机可读介质、制造方法和装置 |
DE102020201215A1 (de) * | 2019-05-03 | 2020-11-05 | Sms Group Gmbh | Verfahren zum Betreiben einer industriellen Anlage |
JP6897723B2 (ja) * | 2019-07-19 | 2021-07-07 | Jfeスチール株式会社 | 学習モデル生成方法、学習モデル生成装置、高炉の溶銑温度制御方法、高炉の溶銑温度制御ガイダンス方法、及び溶銑の製造方法 |
EP3858503B1 (de) * | 2020-01-28 | 2023-01-25 | Primetals Technologies Germany GmbH | Walzwerk mit werkstoffeigenschaftsabhängiger walzung |
JP7200982B2 (ja) * | 2020-09-14 | 2023-01-10 | Jfeスチール株式会社 | 材料特性値予測システム及び金属板の製造方法 |
CN114713640A (zh) * | 2022-04-12 | 2022-07-08 | 南京钢铁股份有限公司 | 一种含Nb成分热轧直条HRB400钢筋的生产控制方法 |
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1998
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- 1998-10-27 KR KR10-2000-7005075A patent/KR100402720B1/ko not_active IP Right Cessation
- 1998-10-27 AT AT0911998A patent/AT414316B/de not_active IP Right Cessation
- 1998-10-27 WO PCT/DE1998/003142 patent/WO1999024182A1/de active IP Right Grant
- 1998-10-27 CN CNB988105853A patent/CN1139442C/zh not_active Expired - Lifetime
- 1998-10-27 US US09/554,171 patent/US6546310B1/en not_active Expired - Lifetime
- 1998-10-27 DE DE19881711.8T patent/DE19881711C5/de not_active Expired - Lifetime
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19881711C5 (de) * | 1997-11-10 | 2019-02-14 | Primetals Technologies Germany Gmbh | Verfahren und Einrichtung zur Steuerung einer Hüttentechnischen Anlage |
WO2004050923A1 (de) * | 2002-12-05 | 2004-06-17 | Sms Demag Aktiengesellschaft | Verfahren zur proozesssteuerung oder prozessregelung einer anlage zur umformung, kühllung und/oder wärmebehandlung von metall |
EP1608472B1 (de) | 2003-03-28 | 2016-09-07 | Tata Steel Limited | System zur online-eigenschaftsvorhersage für warmgewalzte bunde in einem warmband-walzwerk |
DE10339766A1 (de) * | 2003-08-27 | 2005-04-07 | Siemens Ag | Verfahren und Einrichtung zur Steuerung einer Anlage zur Herstellung von Stahl |
US8150544B2 (en) | 2003-08-27 | 2012-04-03 | Siemens Aktiengesellschaft | Method and device for controlling an installation for producing steel |
DE102016100811A1 (de) | 2015-09-25 | 2017-03-30 | Sms Group Gmbh | Verfahren und Ermittlung der Gefügebestandteile in einer Glühlinie |
WO2017050311A1 (de) | 2015-09-25 | 2017-03-30 | Sms Group Gmbh | Verfahren und ermittlung der gefügebestandteile in einer glühlinie |
DE102018220500A1 (de) | 2018-11-28 | 2020-05-28 | Sms Group Gmbh | Verfahren zur Herstellung eines Mehrphasenstahls |
WO2020109447A1 (de) | 2018-11-28 | 2020-06-04 | Sms Group Gmbh | Verfahren zur herstellung eines mehrphasenstahls |
Also Published As
Publication number | Publication date |
---|---|
DE19806267A1 (de) | 1999-05-20 |
CN1277569A (zh) | 2000-12-20 |
AT414316B (de) | 2007-02-15 |
DE19881711D2 (de) | 2001-02-15 |
KR20010031966A (ko) | 2001-04-16 |
US6546310B1 (en) | 2003-04-08 |
ATA911998A (de) | 2003-04-15 |
DE19881711B4 (de) | 2012-07-26 |
KR100402720B1 (ko) | 2003-10-17 |
DE19881711C5 (de) | 2019-02-14 |
CN1139442C (zh) | 2004-02-25 |
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