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  • Rolling mill control: architecture and applications IET

    1998-3-4 · Rolling mill control: architecture and applications Abstract: Considers some of the distributed aspects of the control of modern metal rolling mills. Such mills have a range of ever more ambitious targets, for example product quality, yield, metallurgy and throughput.

    Rolling Mill Control EDIBON

    Rolling Mill Control. N-EM-CL Rolling Mill Control. 6.2.2.1.- MANUFACTURING SYSTEMS. INNOVATIVE SYSTEMS "N-EM-CL" represents an automatic laminate control system, which produces metallic plates with different thickness. See general description. Catalog Catalog

    ROLLING MILL CONTROL WEAN UNITED INC,US

    In a control for a rolling mill for rolling to an absolute desired thickness from the earliest developed rolling pressure of said mill, said mill having a roll gap, and said control including means for producing prior to rolling a first signal representing an absolute selected anticipated value of the stretch of the mill for a selected reduction of a given rolled product,

    IET Digital Library: Rolling mill control: architecture

    1998-5-21 · Considers some of the distributed aspects of the control of modern metal rolling mills. Such mills have a range of ever more ambitious targets, for example product quality, yield, metallurgy and throughput. These aims are supported by high levels of mill sophistication, in terms of plant equipment, instrumentation, actuators and control hardware.

    8.36 Rolling Mill Controls Free

    2013-5-18 · ContRolling Technology International, level-2 process control for hot strip mills, rolling mill simulations, multistand and multipass mills Danieli Automation, USA, automation and process control systems for metals indus-try development, installation/start-up service Danieli Corus, automation and control, and consulting services for rolling mill and

    Rolling Mill an overview ScienceDirect Topics

    Modern rolling mills, and specially cold tandem mills with high productivity, are equipped with a number of transducers participating in automatic control systems: rolling force (on exception rolling torques), strip tensions between stands, average gauge and thickness profile at exit, strip tension profile (shape measuring systems) between certain stands, sometimes temperature, parameters pertaining to profile

    Shape and Gauge Control of Strip in a Cold Rolling

    2020-10-6 · The flatness control in cold rolling mill is carried out through automatic flatness control (AFC). The control tasks which are to be achieved in the Level 1 closed-loop control for cold rolling mill concerns not only the thickness (AGC) but also the flatness (AFC).

    Rolling mill looper control system Westinghouse

    The invention relates in general to interstand tension control apparatus for a rolling mill, and more particularly to looper control apparatus in a tandem or continuous hot strip rolling mill. The looper is a mechanism installed between any two stands, in a tandem mill installation.

    Advanced Process and Quality Control in Hot Rolling Mills

    2006-9-30 · 3.1 Key Feature of Process Control: Detection of Periodic Defects Rolls and rollers are the most heavily used parts of a rolling mill. Due to wear from contacting hot material with great force, their lifetime is limited. Although rolls are refurbished in the roll shop regularly, they occasionally crack before the end of the usual production cycle.

    LQG Regulation: Rolling Mill Case Study MATLAB

    The rolling mill is used to shape rectangular beams of hot metal. The desired outgoing shape is sketched below. This shape is impressed by two pairs of rolling cylinders (one per axis) positioned by hydraulic actuators. The gap between the two cylinders is called the roll gap.

    Rolling Mill Control EDIBON

    Rolling Mill Control. N-EM-CL Rolling Mill Control. 6.2.2.1.- MANUFACTURING SYSTEMS. INNOVATIVE SYSTEMS "N-EM-CL" represents an automatic laminate control system, which produces metallic plates with different thickness. See general description. Catalog Catalog

    Tandem Cold Metal Rolling Mill Control SpringerLink

    Tandem Cold Metal Rolling Mill Control deals primarily with a novel and practical advanced method for control of the tandem cold metal rolling processes based on the state-dependent Riccati equation technique which is recently emerging as a useful method for control of complex nonlinear systems. Background material is presented to assist the

    Rolling Mill Tutorial Control System Design

    2001-2-26 · Rolling Mill Tutorial. Before continuing, make sure you have read Chapter 5. System Description. Another control problem (besides the continuous caster) arising in the steel industry is the control of the exit steel thickness in a rolling mill. The diagram below shows the layout of a rolling mill, with thick steel going in one side, and thin

    ROLLING MILL CONTROL SYSTEM REYNOLDS

    A rolling mill and associated control system are described, including means for adjusting roll spacing of the mill to keep the exit gage of rolled strip substantially constant as the mill is accelerated to normal operating speed; the adjusting means being operable selectively over a range of mill speeds to cause roll spacing adjustments in relation to subsequent changes in mill speed.

    Rolling Mill Shape Control Control System Design

    1999-12-15 · Rolling Mill Shape Control System Description. Cold rolling mills are an abundant source of control problems. Typically, the stand consists of a small diameter work roll and a larger backup roll on each side of the steel strip. Significant amounts of energy are required to

    Neural control of a steel rolling mill IEEE Journals

    Abstract: The application of nonlinear neural networks to control of the strip thickness in a steel-rolling mill is described. Different control structures based on neural models of the simulated plant are proposed. The results for the neural controllers, among them internal model control and model predictive control, are compared with the performance of a conventional proportional-integral

    quality, a powerful controller is need- Rolling mill simulator

    2018-5-9 · 2 Ghost rolling using tandem cold rolling mills (TCM) process model as real-time simulator Simulation TCM Process Exploiting the full production poten-tial requires an overall and well-inte-grated approach to cold rolling mill automation, optimization, control, adaptation and supervision. This approach has to cover: mechanical and hydraulic systems

    Technological control for cold rolling processes

    2021-2-16 · Thickness feedback control The basic control strategy is thickness feedback (monitor control) based on the measured thickness deviation at the exit side of the mill. The delay time, transport of the strip from the roll gap to the thickness gauge, essentially determines the control system’s dynamic response, particular at low rolling speed.

    LQG Regulation: Rolling Mill Case Study MATLAB

    LQG Regulation: Rolling Mill Case Study Overview of this Case Study This case study demonstrates the use of the LQG design tools in a process control application. The goal is to regulate the horizontal and vertical thickness of the beam produced by.

    ROLLING Primetals Technologies

    2018-2-21 · control for the transfer bar, final strip, and coiler. Based on measurements of pre-strip temperature after the roughing mill, the cooling model predicts subsequent rolling temperatures and controls the speed of the fin-ishing mill with an optimized speed diagram. Since the future rolling speed is thus a known factor, it can

    Rolling Mill Control EDIBON

    Rolling Mill Control. N-EM-CL Rolling Mill Control. 6.2.2.1.- MANUFACTURING SYSTEMS. INNOVATIVE SYSTEMS "N-EM-CL" represents an automatic laminate control system, which produces metallic plates with different thickness. See general description. Catalog Catalog

    Rolling Mill Stand Controller TelePro, Inc.

    Rolling State The mill stand is ready for rolling. System Architecture. The hydraulic mill stand controller is a stand-alone system. The computing platform is the TelePro Tsentry product. It consists of an off-the-shelf Intel Pentium-class PC running the Windows 2003 Server operating system with VenturCom RTX real time extensions.

    ROLLING MILL CONTROL SYSTEM REYNOLDS

    A rolling mill and associated control system are described, including means for adjusting roll spacing of the mill to keep the exit gage of rolled strip substantially constant as the mill is accelerated to normal operating speed; the adjusting means being operable selectively over a range of mill speeds to cause roll spacing adjustments in relation to subsequent changes in mill speed.

    Non‐linear optimal control for the hot‐steel rolling mill

    steel rolling mill will risk the control loop's destabilisation. Besides, the convergence of NMPC is not assured either. The convergence of the method's iterative search for an optimum depends on initialisation and on specific parameters’ selection, IET Collab. Intell. Manuf., 2019, Vol. 1 Iss. 3, pp. 97-107

    Neural control of a steel rolling mill IEEE Journals

    Abstract: The application of nonlinear neural networks to control of the strip thickness in a steel-rolling mill is described. Different control structures based on neural models of the simulated plant are proposed. The results for the neural controllers, among them internal model control and model predictive control, are compared with the performance of a conventional proportional-integral

    [PDF] Hot Rolling Mill Hydraulic Gap Control ( HGC

    2015-6-6 · In this article the AGC (Automated Gauge Control) system, of a hot rolling mill is analyzed and different methods are described to improve its performance. The mill stretch compensation and other disturbances during the rolling process are compensated and a rolling speed dependent, adaptive PI controller is developed to accomplish fine thickness control.

    Hot Rolling Mill Hydraulic Gap Control (HGC) thickness

    2015-11-4 · P. Kucsera et al. Hot Rolling Mill HGC Thickness Control Improvement 98 Another way to determine the thermal expansion of the work roll is the modelling of the heat transfer between the work rolls and the strip.

    quality, a powerful controller is need- Rolling mill simulator

    2018-5-9 · 2 Ghost rolling using tandem cold rolling mills (TCM) process model as real-time simulator Simulation TCM Process Exploiting the full production poten-tial requires an overall and well-inte-grated approach to cold rolling mill automation, optimization, control, adaptation and supervision. This approach has to cover: mechanical and hydraulic systems

    Technological control for cold rolling processes

    2021-2-16 · Thickness feedback control The basic control strategy is thickness feedback (monitor control) based on the measured thickness deviation at the exit side of the mill. The delay time, transport of the strip from the roll gap to the thickness gauge, essentially determines the control system’s dynamic response, particular at low rolling speed.

    Fuzzy-Neural Control of Hot-Rolling Mill ResearchGate

    Fuzzy-Neural Control of Hot-Rolling Mill Khearia Mohamad Abduladhem A Ali Dr. R. Nagrajan Dep. of Electrical Eng. Dep. of Computer Eng, School of Mechatronics Eng.

    Rolling mill control: architecture and applications IET

    1998-3-4 · Abstract: Considers some of the distributed aspects of the control of modern metal rolling mills. Such mills have a range of ever more ambitious targets, for example product quality, yield, metallurgy and throughput. These aims are supported by high levels of mill sophistication, in terms of plant equipment, instrumentation, actuators and control hardware.

    Rolling Mill Stand Controller TelePro, Inc.

    Rolling State The mill stand is ready for rolling. System Architecture. The hydraulic mill stand controller is a stand-alone system. The computing platform is the TelePro Tsentry product. It consists of an off-the-shelf Intel Pentium-class PC running the Windows 2003 Server operating system with VenturCom RTX real time extensions.

    Rolling Mill Shape Control Control System Design

    1999-12-15 · Rolling Mill Shape Control System Description. Cold rolling mills are an abundant source of control problems. Typically, the stand consists of a small diameter work roll and a larger backup roll on each side of the steel strip. Significant amounts of energy are required to

    Neural control of a steel rolling mill IEEE Journals

    Abstract: The application of nonlinear neural networks to control of the strip thickness in a steel-rolling mill is described. Different control structures based on neural models of the simulated plant are proposed. The results for the neural controllers, among them internal model control and model predictive control, are compared with the performance of a conventional proportional-integral

    Four-High Cold Rolling Mill for Control of Edge-Drop

    In the paper, control principle and working characters of T-WRS&C(Taper Work Roll Shifting and Crossing)cold rolling mill are analyzed. The working schedule and control parameters are worked out. The mill working modes are determined according to different working conditions. The taper work roll shifting is used for edge drop control and the work roll crossing is used for thrust force

    Technological control for cold rolling processes

    2021-2-16 · Thickness feedback control The basic control strategy is thickness feedback (monitor control) based on the measured thickness deviation at the exit side of the mill. The delay time, transport of the strip from the roll gap to the thickness gauge, essentially determines the control system’s dynamic response, particular at low rolling speed.

    Hot Rolling Mill Hydraulic Gap Control (HGC) thickness

    2015-11-4 · P. Kucsera et al. Hot Rolling Mill HGC Thickness Control Improvement 98 Another way to determine the thermal expansion of the work roll is the modelling of the heat transfer between the work rolls and the strip.

    Control of Strip Tension in a Rolling Mill Based on

    2014-7-16 · principle, Steel industry, Tandem rolling mill, Looper control, Strip te nsion control. 1. INTRODUCTION In the metals industry, tandem hot strip rolling mills are used for rolling out thick semi- nished products, e.g., slabs, to thinner at products. The product, which is often referred to as strip, is clamped in each mill stand of

    Optimization of a Cold Rolling Mill Thermo Fisher

    2016-2-16 · Optimization of a Cold Rolling Mill with a High Speed X-ray Thickness Gauge Christopher Burnett, Thermo Fisher Scientific, Mount Airy, MD, United States White Paper Abstract The high speed production achieved by modern cold rolling mills requires reliable and robust thickness sensors. The Automatic Gauge Control (AGC) systems and hydraulic

    Simulating a Multi-Stage Rolling Mill Process, Part 1

    2009-12-17 · From the series: Simulating a Multi-Stage Rolling Mill Process. Rohit Shenoy, MathWorks Alec Stothert, MathWorks. This is the first in a three-part webinar series that will highlight the use of MathWorks products for modeling and control of a multi-stage rolling mill process. In this webinar MathWorks engineers demonstrate the benefits of using