advanced process and quality control in hot rolling mills -
Advanced Control for Hot Rolling Mills | SpringerLink
Summary. Hot strip rolling mills are characterised by a process which has many interactions, is distributed with dominant transport delays and has a lack of measurements due to the
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State of the art in hot rolling process control - ScienceDirect
2001年9月1日 · Abstract. The complex control systems have been applied to hot rolling processes and, now, the control area covers the whole line. The process technology of
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Looper and tension control in hot rolling mills: A survey
2007年7月1日 · Looper and tension control, shown in Fig. 2, is important in hot strip mills because they affect both the dimensional quality and the mass flow of a strip. The high
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(PDF) Advanced Control Techniques for Rolling
2004年6月16日 · Abstract and Figures. This paper addresses the problem of the product quality improvement in hot rolling mills. The simplest scheme
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OPTIMIZATION OF HIGH QUALITY PRODUCTION IN
2020年4月7日 · A control system is needed to apply the setup to the rolling mill. The production progress is controlled by the Level 1 (L1) within the automation architecture.
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(PDF) 2020 Technology and Operation of a Hot Rolling
2020年1月3日 · Abstract and Figures. The state-of-the-art of both technology and operational practice of a hot rolling mill are discussed. The focus is first on the control of
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Figure 1 from Advanced Process and Quality Control in
The general trend today is to perform eddy current testing on hot material during production, where it is able to provide prompt feedback on process stability and product quality. It will
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ADVANCED PROCESS AND QUALITY CONTROL IN HOT
Abstract: Typically, wire and bar in hot rolling mills reach temperatures up to 1200 °C at production speeds up to 120 m/s. The non-contacting and couplant free eddy current
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Advanced Process and Quality Control in Hot Rolling Mills ...
The general trend today is to perform eddy current testing on hot material during production, where it is able to provide prompt feedback on process stability and product quality. It will
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Advanced Process and Quality Control in Hot Rolling Mills
2009年9月13日 · Advanced Process and Quality Control in Hot Rolling Mills Using Eddy Current Inspection. Autor: SVEN KLING Speaker: Markus WITTE PRÜFTECHNIK NDT
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Model Predictive Control with Linear Programming for the
2017年7月1日 · Keywords: Advanced process control, Process optimization, Real time optimization and control 1. INTRODUCTION In a hot rolling mill the incoming steel slabs are trans- formed int thin hot rolled coils. ... quality requiremen s and t chnical constraints. 1.1 State of the art of the camber/off-center modeling and control The strip camber is a well ...
اObtener precioLooper and tension control in hot rolling mills: A survey
2007年7月1日 · Looper and tension control, shown in Fig. 2, is important in hot strip mills because they affect both the dimensional quality and the mass flow of a strip. The high strip tension between stands induces width shrinkage, thickness reduction and moreover can produce an edge wave on a strip. However, it does make the mass flow more stable and
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Non-linear optimal control for the hot-steel rolling mill
2019年9月26日 · For the approximately linearised model of the hot-steel rolling process, an H-infinity feedback controller is designed. This controller provides the solution of the non-linear optimal control problem for the system under model uncertainty and
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Coordinate control of strip thickness-crown-tension based
2021年9月14日 · In order to further improve the control accuracy of thickness, crown and tension in hot strip finishing mill, a multivariable optimizing strategy based on inverse linear quadratic (ILQ) control theory is proposed in this paper. First, the state space model of hot rolling process is established based on the basic dynamic mathematical model of rolling
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(PDF) Advanced Control Techniques for Rolling
2004年6月16日 · Abstract and Figures. This paper addresses the problem of the product quality improvement in hot rolling mills. The simplest scheme for modeling the rolling process considers the reduction of a ...
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A review of planning and scheduling methods for hot
2021年1月1日 · Steel factory hot rolling mill problem definition. The function of the hot rolling mill is based upon the simple mechanism of using rolls to press steel slabs and reduce their thickness, as illustrated in Fig. 3. Before slabs can be rolled into hot rolling mills, slabs should be heated to the deformation temperature using reheating furnaces.
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OPTIMIZATION OF HIGH QUALITY PRODUCTION IN
2020年4月7日 · A control system is needed to apply the setup to the rolling mill. The production progress is controlled by the Level 1 (L1) within the automation architecture. Additionally, the fast control system reacts to the usual scatter in process. Figure 1: Schematic layout of the automation system of the hot strip mill.
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Design of control system for steel strip-rolling mill using
2021年3月24日 · A Simulink and mathematical models have been proposed in this study in order to control the thickness in a rolling mill process. The simulation results show that the thickness oscillation can be manipulated with high accuracy by using NARMA-L2, since it can remove the non-linearity of servo system and other disturbances complexities. The
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Kathuria follow Advanced Quality Control in Hot Rolling Mills
2023年2月11日 · The quality cycle that includes evaluation right from the incoming stage continues throughout the process to right upto final inspection and packaging. It is this control at every stage and the comprehensive quality assured by our dedicated QA team that makes our solutions and products score high on reliability.
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Aluminum Hot Rolling Mill Solutions | Primetals
Complete automation and process control for Aluminum Hot Rolling Mills. Plant productivity and product quality are governed to a large extent by the quality of plant automation, process control, and available process
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2017年7月1日 · Keywords: Advanced process control, Process optimization, Real time optimization and control 1. INTRODUCTION In a hot rolling mill the incoming steel slabs are trans- formed int thin hot rolled coils. ... quality requiremen s and t chnical constraints. 1.1 State of the art of the camber/off-center modeling and control The strip camber is a well ...
اObtener precioLooper and tension control in hot rolling mills: A survey
2007年7月1日 · Looper and tension control, shown in Fig. 2, is important in hot strip mills because they affect both the dimensional quality and the mass flow of a strip. The high strip tension between stands induces width shrinkage, thickness reduction and moreover can produce an edge wave on a strip. However, it does make the mass flow more stable and
اObtener precioNon-linear optimal control for the hot-steel rolling mill
2019年9月26日 · For the approximately linearised model of the hot-steel rolling process, an H-infinity feedback controller is designed. This controller provides the solution of the non-linear optimal control problem for the system under model uncertainty and
اObtener precioCoordinate control of strip thickness-crown-tension based
2021年9月14日 · In order to further improve the control accuracy of thickness, crown and tension in hot strip finishing mill, a multivariable optimizing strategy based on inverse linear quadratic (ILQ) control theory is proposed in this paper. First, the state space model of hot rolling process is established based on the basic dynamic mathematical model of rolling
اObtener precioOPTIMIZATION OF HIGH QUALITY PRODUCTION IN
2020年4月7日 · A control system is needed to apply the setup to the rolling mill. The production progress is controlled by the Level 1 (L1) within the automation architecture. Additionally, the fast control system reacts to the usual scatter in process. Figure 1: Schematic layout of the automation system of the hot strip mill.
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Production Optimization and Scheduling in a Steel Plant:
2011年1月1日 · In this presentation we investigate the production scheduling of a hot rolling mill in a steel plant. The production schedule must adapt to strict production rules derived from metallurgic and physical constraints. Successful manual planning requires therefore in practice thorough process knowledge and years of operating experience.
اObtener precioDesign of control system for steel strip-rolling mill using
2021年3月24日 · A Simulink and mathematical models have been proposed in this study in order to control the thickness in a rolling mill process. The simulation results show that the thickness oscillation can be manipulated with high accuracy by using NARMA-L2, since it can remove the non-linearity of servo system and other disturbances complexities. The
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Advanced control strategies for rolling mills | Request PDF
2001年6月1日 · The paper presents two industrial case studies of the performance evaluation of control systems in a tandem cold rolling mill: (1) a feedforward/feedback strip thickness controller; and (2) an ...
اObtener precioKathuria follow Advanced Quality Control in Hot Rolling Mills
2023年2月11日 · The quality cycle that includes evaluation right from the incoming stage continues throughout the process to right upto final inspection and packaging. It is this control at every stage and the comprehensive quality assured by our dedicated QA team that makes our solutions and products score high on reliability.
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Applications of artificial intelligence for quality control at
The quality control in hot strip mills usually include thickness, width, shape, flatness, yield strength, tensile strength, ductility, etc.. This research takes the width control at the roughing mill of a hot strip mill as an example of Al applications for the quality control of the hot strip. The width control consists of the bar-to-bar width control for the mean width of bars, the
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