EP4326453A1 - Systèmes et procédés de commande de direction de rouleau pour des laminoirs tandem - Google Patents

Systèmes et procédés de commande de direction de rouleau pour des laminoirs tandem

Info

Publication number
EP4326453A1
EP4326453A1 EP22718033.8A EP22718033A EP4326453A1 EP 4326453 A1 EP4326453 A1 EP 4326453A1 EP 22718033 A EP22718033 A EP 22718033A EP 4326453 A1 EP4326453 A1 EP 4326453A1
Authority
EP
European Patent Office
Prior art keywords
work stand
parameter
work
metal substrate
measured
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.)
Pending
Application number
EP22718033.8A
Other languages
German (de)
English (en)
Inventor
Joao-Otavio TONHAO
Braulio ALCIR DE OLIVEIRA JUNIOR
Andre SIMOES-FREITAS
Jorge SCHAEFER
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.)
Novelis Inc Canada
Novelis Inc
Original Assignee
Novelis Inc Canada
Novelis Inc
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 Novelis Inc Canada, Novelis Inc filed Critical Novelis Inc Canada
Publication of EP4326453A1 publication Critical patent/EP4326453A1/fr
Pending 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
    • B21B37/58—Roll-force control; Roll-gap control
    • B21B37/62—Roll-force control; Roll-gap control by control of a hydraulic adjusting device
    • 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
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting
    • 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
    • B21B37/18—Automatic gauge control
    • B21B37/20—Automatic gauge control in tandem mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2271/00—Mill stand parameters
    • B21B2271/02—Roll gap, screw-down position, draft position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2271/00—Mill stand parameters
    • B21B2271/02—Roll gap, screw-down position, draft position
    • B21B2271/025—Tapered roll gap

Definitions

  • the resulting contact between the metal substrate and the work rolls affects a thickness profile, flatness, and quality of the metal substrate.
  • the inclination of the work rolls relative to a pass line of the metal substrate through the work stand, or roll steering is one mechanism that may be used to affect a parameter of the metal substrate exiting the work stand.
  • roll steering has required manual control by an operator to set a steering (tilting) value for each work roll and adjust it during production. This control is time consuming, may be inaccurate due to susceptibility to operator error, does not account for actual rolling mill conditions (and thus may be inaccurate), and does not allow for adequate control in real time.
  • a method for controlling roll steering during rolling of a metal substrate includes generating a model for a work stand of a rolling mill based on setup data. Generating the model may include determining an adjustment value for the work stand.
  • the method may also include receiving a measured parameter about the metal substrate at a location upstream from the work stand from a sensor and determining an expected output parameter for the work stand by modifying the measured parameter by the adjustment value.
  • the method includes comparing the expected output parameter with a target output parameter for the work stand and actuating a steering control actuator for the work stand such that the expected output parameter is within a predetermined tolerance of the target output parameter.
  • the steering control actuator is adapted to control an inclination of at least one work roll of the work stand relative to a pass line of the metal substrate.
  • a rolling mill includes a steering control system, and the steering control system includes a steering control actuator, a sensor, and a controller.
  • the steering control actuator controls an inclination of a work roll of a work stand of the rolling mill, and the sensor measures a parameter of a metal substrate upstream from the work stand.
  • the controller is operably connected with the steering control actuator and the sensor and includes a processor and a memory coupled to the processor.
  • the memory includes instructions executable by the processor for generating a model for the work stand and determining an adjustment value for the work stand, receiving the measured parameter from the sensor, and determining an expected output parameter by adjusting the measured parameter by the adjustment value.
  • the memory may also include instructions executable by the processor for comparing the expected output parameter with a target output parameter and actuating the steering control actuator such that the expected output parameter is within a predefined tolerance of the target parameter.
  • a steering control system for a rolling mill includes at least one processor and a memory coupled to the processor.
  • the memory includes a plurality of instructions executable by the processor for generating a model for a work stand and determining an adjustment value for the work stand, receiving a measured parameter about a metal substrate from a sensor upstream from the work stand, and determining an expected output parameter by adjusting the measured parameter by the adjustment value.
  • the memory may also include instructions executable by the processor for comparing the expected output parameter with a target output parameter and generating a control response based on the expected output parameter being outside of a predefined tolerance of the target parameter.
  • FIG.1 illustrates a rolling mill with a steering control system according to embodiments.
  • FIG.2 illustrates a rolling mill with a steering control system according to embodiments.
  • FIG.12 illustrates a rolling mill with a steering control system according to embodiments.
  • Described herein are systems and methods for controlling roll steering of one or more work rolls of a work stand of a rolling mill during rolling. While the systems and methods described herein can be used with any metal, they may be especially useful with aluminum or aluminum alloys. In certain embodiments, the systems and methods described herein may automatically control roll steering during rolling. In various embodiments, a model is generated for the work stand based on setup data, and the model includes an adjustment value for the work stand.
  • a model may be generated for each work stand based on setup data for each work stand, and each model includes an adjustment value specific to the particular work stand.
  • the adjustment value is a correction value indicative of the actual efficiency of the work stand or deviation of the actual performance of the work stand compared to expected performance.
  • the setup data may include data measured from a prior rolling operation, although it need not in other embodiments.
  • the setup data may include a parameter measured by a sensor, an input parameter, or various combinations thereof.
  • a measured parameter may be measured with one or more sensors including, but not limited to, tension meters, gauge meters, flatness rolls, optical sensors, cameras, temperature sensors, combinations thereof, or other sensors as desired.
  • the measured parameter may include, but is not limited to, a tension in the metal substrate, a chemistry and/or composition of the metal substrate, a temperature of the metal substrate, etc.
  • the input parameter may be other parameters as desired that may not necessarily be measured by a sensor.
  • the input parameter may include, but is not limited to, a width of the metal substrate or a thickness of the metal substrate.
  • a sensor may measure a parameter of the metal substrate at a location relative to the work stand.
  • a controller may use the measured parameter as an input to the model to determine an expected output parameter by modifying the measured parameter by the adjustment value.
  • the expected output parameter may be compared to a target output parameter for the work stand, and a steering control actuator for the work roll stand may be actuated to adjust the expected output parameter to within a predetermined tolerance of the target output parameter.
  • FIG. 1 illustrates an embodiment of a rolling mill 100 for a metal substrate 102.
  • the rolling mill 100 includes a plurality of work stands 104A-C, although in other embodiments the rolling mill 100 may include any number of work stands as desired, including a single work stand, two work stands, or more than three work stands.
  • Each work stand 104A-C includes a pair of work rolls 106.
  • Each work roll 106 may be supported by one or more intermediate rolls 108. Bearings or actuators (not illustrated) may be provided along the intermediate rolls 108. The bearings may apply bearing loads on the intermediate rolls 108, which transfer the load to the work rolls 106 such that the work rolls 106 apply a work roll pressure on the metal substrate 102 as the metal substrate 102 moves along a pass line and between the work rolls 106 in a processing direction 109.
  • each work stand 104A-C optionally includes a steering control actuator 110A-C that may be used to control an inclination or tilt of the work rolls 106 relative to the pass line of the metal substrate 102 and across a width of the metal substrate (i.e., in a direction coming out of the page in FIG.
  • each work roll 106 of a particular work stand (e.g., the upper work roll 106 and the lower work roll 106 the work stand 104A) may have an associated or dedicated steering control actuator.
  • the rolling mill 100 includes a steering control system 112. In the embodiment of FIG.
  • the steering control system 112 includes a plurality of controllers 114A-C and a plurality of sensors 116A-C, although the number of controllers 114 and/or sensors 116 illustrated in FIG. 1 should not be considered limiting on the disclosure.
  • the steering control system 112 need only include one controller and/or one sensor.
  • each controller 114A-C and sensor 116A-C are associated with a particular work stand 104A-C, although they need not in other examples.
  • each work stand 104A-C may have an associated sensor 116A-C, but the steering control system 112 includes a single controller.
  • Each controller 114A-C includes a processor and a memory and is operably connected to a corresponding sensor 116A-C and a corresponding steering control actuator 110A-C.
  • the memory is coupled to the processor and includes instructions executable by the processor to perform various functions discussed in detail below.
  • the sensors 116A-C may be various devices or mechanisms suitable for measuring at least one parameter of the metal substrate 102 during rolling.
  • each of the sensors 116A-C may be a tension meter that measures a tension in the metal substrate 102, a temperature sensor that measures a temperature of the metal substrate 102, a gauge or thickness meter that measures a thickness of the metal substrate 102, a position sensor that measures a position of the metal substrate 102 relative to a centerline of one of the work stands (e.g., the halfway point across the width of the work stand, which is transverse to the processing direction 109), a flatness sensor that measures a flatness of the metal substrate 102 across the width of the metal substrate 102, optical sensors, cameras, combinations thereof, or other suitable sensors as desired.
  • the sensors 116 may be provided at an interstand location between adjacent work stands, although they need not be in other embodiments.
  • the sensors 116B-C are at interstand locations and the sensor 116A is provided upstream from the work stand 104A.
  • the sensors 116A-C need not all be the same type of sensor and/or measure the same parameter, and in certain embodiments one sensor (e.g., the sensor 116A) measures a first parameter (e.g., tension), and another sensor (e.g., the sensor 116B) measures a second parameter (e.g., thickness).
  • the sensors 116A-C are tension meters that detect the tension in the metal substrate 102.
  • the steering control system 112 may include an exit sensor 118 after the last work stand (e.g., the work stand 104C).
  • the exit sensor 118 may be various devices or mechanisms that may be similar to or different from the devices used as the sensors 116A-C.
  • the exit sensor 118 is a flatness sensor that measures a flatness profile of the metal substrate 102 across the width of the metal substrate 102.
  • the exit sensor 118 may be operably connected to one or more of the controllers 114A-C or to another controller that is operably connected to another piece of processing equipment (e.g., a controller for sprayers of a coolant distribution system).
  • a controller for sprayers of a coolant distribution system e.g., a controller for sprayers of a coolant distribution system.
  • the steering control system 112 may be a feed-forward control system, meaning that the parameter data gathered by a particular sensor may be used to control a work stand downstream from the particular sensor.
  • the sensor 116A is upstream from the work stand 104A, and the controller 114A uses the data from the sensor 116A to control the work stand 104A.
  • the steering control system 112 may be a feedback control system, and the parameter data gathered by a particular sensor 116 may be used to control a work stand upstream from the particular sensor 116.
  • FIG. 1 the steering control system 112 may be a feed-forward control system, meaning that the parameter data gathered by a particular sensor may be used to control a work stand downstream from the particular sensor.
  • the sensor 116A is upstream from the work stand 104A
  • the controller 114A uses the data from the sensor 116A to control the work stand 104A.
  • the steering control system 112 may be a feedback control system, and the parameter data gathered by a particular sensor 116 may be used
  • the sensor 116A is downstream from the work stand 104A, and the controller 114A uses the data from the sensor 116A to control the work stand 104A.
  • the steering control system 112 may be both a feed- forward and a feedback control system, and the parameter data gathered by a particular sensor may be used to control a work stand upstream from the particular sensor and a work stand downstream from the particular sensor.
  • the method 300 may be stored as instructions in one or more memories of one or more controllers 114A-C of the steering control system 112 that may be executable by one or more processors of one or more controllers 114A-C.
  • the method 300 includes generating a model for each work stand of the rolling mill.
  • block 302 includes generating a model of each of the work stands 104A-C.
  • generating the model for each work stand of the rolling mill includes generating the model based on setup data, which may include, but is not limited to, one or more measured parameters, one or more input parameters, combinations thereof, and/or other data as desired.
  • the setup data includes both measured parameters and input parameters.
  • the measured parameters may be obtained using one or more sensors that measure a parameter of the metal substrate during the current rolling operation or during a previous rolling operation.
  • a measured parameter may be measured with one or more sensors including, but not limited to, tension meters, gauge meters, flatness rolls, optical sensors, cameras, temperature sensors, combinations thereof, or other sensors as desired.
  • the measured parameter(s) may include, but is not limited to, a tension in the metal substrate, a chemistry and/or composition of the metal substrate, a chemistry or composition of the metal substrate, a temperature of the metal substrate, combinations thereof, or other parameters as desired.
  • the setup data used to generate the model for a work stand may include a tension in the metal strip measured by a tension meter during a prior rolling operation, a thickness of the metal substrate measured by a gauge meter during a prior rolling operation, and a temperature of the metal substrate measured by a temperature sensor during a prior rolling operation.
  • the input parameter may be other parameters as desired that may not necessarily be measured by a sensor.
  • the input parameter may include, but is not limited to, a width of the metal substrate, a chemistry or composition of the metal substrate, and/or a thickness of the metal substrate.
  • the method 300 includes receiving a measured parameter from one or more sensors about the metal substrate during rolling.
  • block 304 includes receiving the measured parameter from an immediately upstream sensor and/or an immediately downstream sensor.
  • block 304 includes receiving the measured parameter from each sensor 116A-C that is upstream from a particular work stand 104A-C, whereas in the embodiment of FIG.
  • block 304 includes receiving the measured parameter from each sensor 116A-B that is downstream from a particular work stand 104A-B.
  • the sensors that measure a particular parameter during rolling may be various sensors as desired, including, but not limited to, a tension meter, a temperature sensor, a gauge or thickness meter, a position sensor, a flatness sensor, an optical sensor, combinations thereof, or other suitable sensors as desired.
  • block 304 includes receiving a plurality of measured parameters from a plurality of sensors for a particular work stand of the rolling mill.
  • the method 300 includes determining an expected output parameter and comparing the expected output parameter to a target output parameter.
  • determining the expected output parameter includes modifying the measured parameter by the adjustment value determined in block 302. In certain embodiments, modifying the measured parameter by the adjustment value may more accurately predict an output for the particular work stand because the adjustment value is based on the actual efficiency of the work stand (e.g., based on the setup data).
  • the method 300 includes generating a control response based on the comparison between the expected output parameter and the target output parameter. In some embodiments, block 308 includes actuating a steering control actuator for the work stand such that the expected output parameter determined in block 306 is within a predetermined tolerance of the target output parameter.
  • generating the control response and actuating the steering control actuator may include sending a control to the steering control actuator to control an inclination or tilt of one or more work rolls of the particular work stand.
  • block 308 may include actuating a backup roll, a hydraulic cylinder, a bearing, combinations thereof, or other suitable steering control actuators as desired.
  • the method 300 may include receiving a measured parameter from the exit sensor 118 downstream from the last work stand, determining an expected exit parameter based on the measured parameter from the exit sensor 118 and the adjustment value, and actuating the steering control actuator such that the expected exit parameter is within a predetermined tolerance of a target exit parameter.
  • the exit sensor 118 may be a flatness sensor that measures a flatness profile across a width of the metal substrate, and the measured flatness profile may be used to actuate the steering control actuator such that an expected flatness profile is within a predetermined tolerance of a target flatness profile.
  • block 302 may include generating a model for a work stand such as the work stand 104A, and block 304 includes receiving a measured thickness of the metal substrate 102 from the sensor 116A (e.g., in this example, the sensor 116A is a gauge or thickness sensor).
  • block 306 may include comparing an expected output thickness from the work stand 104A to a target output thickness from the work stand 104A.
  • Block 308 may include actuating the steering control actuator 110A and controlling the inclination or tilt of the work roll(s) 106 of the work stand 104A such that the expected output thickness is within a predetermined tolerance of the target output thickness.
  • block 302 may include generating a model for a work stand such as the work stand 104A, and block 304 includes receiving a measured flatness profile across the width of the metal substrate 102 from the sensor 116A (e.g., in this example, the sensor 116A is a flatness sensor).
  • block 306 may include comparing an expected output flatness profile from the work stand 104A to a target output flatness profile from the work stand 104A.
  • Block 308 may include actuating the steering control actuator 110A and controlling the inclination or tilt of the work roll(s) 106 of the work stand 104A such that the expected output flatness profile is within a predetermined tolerance of the target output flatness profile.
  • block 302 may include generating a model for a work stand such as the work stand 104A, and block 304 includes receiving a measured position of the metal substrate 102 relative to a centerline of the work stand 104A (e.g., a measurement of whether the metal substrate 102 is substantially aligned with the centerline of the work stand 104A, offset to the left, offset to the right, etc.).
  • the sensor 116A is a position sensor.
  • Block 306 may include comparing an expected output position of the metal substrate 102 upon exiting the work stand 104A to a target output position.
  • Block 308 may include actuating the steering control actuator 110A and controlling the inclination or tilt of the work roll(s) 106 of the work stand 104A such that the expected output position is within a predetermined tolerance of the target output position.
  • block 302 may include generating a model for a work stand such as the work stand 104A, and block 304 includes receiving a measured tension in the metal substrate 102 from the sensor 116A (e.g., in this example, the sensor 116A is a tension meter).
  • block 306 may include comparing an expected output tension from the work stand 104A to a target output tension from the work stand 104A.
  • Block 308 may include actuating the steering control actuator 110A and controlling the inclination or tilt of the work roll(s) 106 of the work stand 104A such that the expected output tension is within a predetermined tolerance of the target output tension.
  • the aforementioned examples are provided for illustrative purposes and should not be considered limiting on the disclosure.
  • more than one parameter may be used for generating the model and/or subsequent control of the work stand using the steering control system 112.
  • a collection of exemplary embodiments are provided below, including at least some explicitly enumerated as “Illustrations” providing additional description of a variety of example embodiments in accordance with the concepts described herein.
  • Illustration 1 A method for controlling roll steering during rolling of a metal substrate, the method comprising: generating a model for a work stand of a rolling mill based on setup data, wherein generating the model comprises determining an adjustment value for the work stand; receiving a measured parameter about the metal substrate at a location upstream from the work stand from a sensor; determining an expected output parameter for the work stand by modifying the measured parameter by the adjustment value; comparing the expected output parameter with a target output parameter for the work stand; and actuating a steering control actuator for the work stand such that the expected output parameter is within a predetermined tolerance of the target output parameter, wherein the steering control actuator is adapted to control an inclination of at least one work roll of the work stand relative to a pass line of the metal substrate.
  • Illustration 2 The method of any preceding or subsequent illustrations or combination of illustrations, wherein the measured parameter comprises a measured thickness, wherein the expected output parameter is an expected output thickness, and wherein the target output parameter is a target output thickness.
  • Illustration 3 The method of any preceding or subsequent illustrations or combination of illustrations, wherein the measured parameter comprises a measured flatness profile across a width of the metal substrate, wherein the expected output parameter is an expected output flatness profile, and wherein the target output parameter is a target output flatness profile.
  • the measured parameter comprises a measured position of the metal substrate relative to a centerline of the work stand, wherein the expected output parameter is an expected output position, and wherein the target output parameter is a target output position.
  • Illustration 5 The method of any preceding or subsequent illustrations or combination of illustrations, wherein the work stand is a first work stand of a plurality of work stands, and wherein the method comprises generating a model for each work stand of the plurality of work stands based on setup data for each work stand.
  • Illustration 6. The method of any preceding or subsequent illustrations or combination of illustrations, wherein actuating the steering control actuator comprises controlling at least one hydraulic cylinder or at least one backup roll.
  • any preceding or subsequent illustrations or combination of illustrations further comprising: receiving a measured thickness about the metal substrate at a location after a last work stand of the rolling mill from a sensor; determining an expected thickness for the work stand by modifying the measured thickness by the adjustment value; comparing the expected thickness with a target thickness for the work stand; and actuating the steering control actuator for the work stand such that the expected thickness is within a predetermined tolerance of the target thickness.
  • the work stand is a first work stand and the rolling mill further comprises a second work stand upstream from the first work stand, wherein the sensor is between the first work stand and the second work stand, and wherein the method further comprises: generating a model for the second work stand based on setup data, wherein generating the model for the second work stand comprises determining an adjustment value for the second work stand; and after rolling the metal substrate, updating the model for the second work stand by updating the adjustment value based on the measured parameter of the metal substrate during rolling from the sensor being outside the a predetermined tolerance of a target output parameter for the second work stand.
  • a rolling mill comprising a steering control system, the steering control system comprising: a steering control actuator adapted to control an inclination of a work roll of a work stand of the rolling mill; a sensor configured to measure a parameter of a metal substrate upstream from the work stand; and a controller operably connected with the steering control actuator and the sensor, wherein the controller comprises a processor and a memory coupled to the processor, wherein the memory comprises instructions executable by the processor for: generating a model for the work stand and determining an adjustment value for the work stand; receiving the measured parameter from the sensor; determining an expected output parameter by adjusting the measured parameter by the adjustment value; comparing the expected output parameter with a target output parameter; and actuating the steering control actuator such that the expected output parameter is within a predefined tolerance of the target parameter.
  • Illustration 12 The rolling mill of any preceding or subsequent illustrations or combination of illustrations, further comprising the work stand and the work roll, wherein the work roll comprises an upper work roll or a lower work roll adapted to contact the metal substrate during rolling.
  • Illustration 13 The rolling mill of any preceding or subsequent illustrations or combination of illustrations, wherein the work stand is a first work stand of a plurality of work stands, and wherein the memory comprises instructions executable by the processor for generating a model for each work stand of the plurality of work stands based on setup data for each work stand.
  • the rolling mill of any preceding or subsequent illustrations or combination of illustrations wherein the measured parameter comprises a measured thickness, wherein the expected output parameter is an expected output thickness, and wherein the target output parameter is a target output thickness.
  • Illustration 15 The rolling mill of any preceding or subsequent illustrations or combination of illustrations, wherein the measured parameter comprises a measured flatness profile across a width of the metal substrate, wherein the expected output parameter is an expected output flatness profile, and wherein the target output parameter is a target output flatness profile.
  • the measured parameter comprises a measured position of the metal substrate relative to a centerline of the work stand, wherein the expected output parameter is an expected output position, and wherein the target output parameter is a target output position.
  • the steering control actuator comprises controlling at least one hydraulic cylinder or at least one backup roll.
  • a steering control system for a rolling mill comprising: at least one processor; a memory coupled to the processor, wherein the memory comprises a plurality of instructions executable by the processor for: generating a model for a work stand and determining an adjustment value for the work stand; receiving a measured parameter about a metal substrate from a sensor upstream from the work stand; determining an expected output parameter by adjusting the measured parameter by the adjustment value; comparing the expected output parameter with a target output parameter; and generating a control response based on the expected output parameter being outside of a predefined tolerance of the target parameter.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Lifting Devices For Agricultural Implements (AREA)

Abstract

L'invention concerne des systèmes et des procédés associés pour commander une direction de rouleau pendant le laminage d'un substrat métallique, pouvant comprendre un actionneur de commande de direction conçu pour commander une inclinaison d'un rouleau de travail d'un support de travail du laminoir, un capteur configuré pour mesurer un paramètre d'un substrat métallique en amont du support de travail et un contrôleur connecté fonctionnellement à l'actionneur de commande de direction et au capteur. Le contrôleur peut générer un modèle pour le support de travail et déterminer une valeur de réglage pour le support de travail, recevoir le paramètre mesuré à partir du capteur et déterminer un paramètre de sortie attendu par réglage du paramètre mesuré avec la valeur de réglage. Le contrôleur peut également comparer le paramètre de sortie attendu à un paramètre de sortie cible et actionner l'actionneur de commande de direction de telle sorte que le paramètre de sortie attendu se trouve dans une tolérance prédéfinie du paramètre cible.
EP22718033.8A 2021-04-20 2022-03-28 Systèmes et procédés de commande de direction de rouleau pour des laminoirs tandem Pending EP4326453A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163177129P 2021-04-20 2021-04-20
PCT/US2022/071372 WO2022226460A1 (fr) 2021-04-20 2022-03-28 Systèmes et procédés de commande de direction de rouleau pour des laminoirs tandem

Publications (1)

Publication Number Publication Date
EP4326453A1 true EP4326453A1 (fr) 2024-02-28

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EP (1) EP4326453A1 (fr)
JP (1) JP2024514221A (fr)
KR (1) KR20230156756A (fr)
CN (1) CN117177823A (fr)
BR (1) BR112023021368A2 (fr)
CA (1) CA3216727A1 (fr)
DE (1) DE212022000186U1 (fr)
WO (1) WO2022226460A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102004005011B4 (de) * 2004-01-30 2008-10-02 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH Regelverfahren und Regler für ein Walzgerüst
EP2957360A1 (fr) * 2014-06-16 2015-12-23 Siemens Aktiengesellschaft Procédé de fonctionnement d'un train de laminoir

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JP2024514221A (ja) 2024-03-28
KR20230156756A (ko) 2023-11-14
DE212022000186U1 (de) 2024-04-16
CN117177823A (zh) 2023-12-05
CA3216727A1 (fr) 2022-10-27
WO2022226460A1 (fr) 2022-10-27
BR112023021368A2 (pt) 2023-12-19

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