An article of German scientists [] considers the operation optimization of a HPD (hydraulic pressure device) of a rolling mill as a system with a controlled Hamiltonian port, i.e., the problem of optimal control for a dynamic system with limited measured variables is solved.Measurements were carried out on a rolling mill at the …
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WhatsApp: +86 18221755073A hydraulic circuit diagram details the flow of liquid through a complex network of valves and pumps – and is essential to the design and function of many industrial systems. With just one look at the schematic, an experienced technician can identify any bottlenecks or other problems in the system, ensuring that the entire …
WhatsApp: +86 18221755073For modern hot rolling mills the typical hydraulic circuit was designed to control the roll bending force during rolling process. The most common operating modes of the roll bending system were studied: rolling, start and stop. The bending roll control system was designed in the form of functional blocks, connecting the actuators, sensors and sided …
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WhatsApp: +86 18221755073Tension control in cold-rolling pilot mills (CRPMs) with hydraulic tension is subject to extraneous forces resulting from positional disturbances, strong coupling, and time-varying characteristics, making it challenging to achieve ideal control results using the existing control methods. Therefore, in this study, a mathematical model of tension is …
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WhatsApp: +86 18221755073Schematic drawings of two synchronizing hydraulic circuits. The hydraulic motor circuit on the right in Figure 5-5 shows a simple way to run two or more motors at the same speed. Fluid to the first motor flows into the inlet of the second motor to turn it at the same time and speed. Except for internal leakage in the motors, they will run at ...
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WhatsApp: +86 18221755073Research on modeling of Hydraulic rolling mill Abstract: According to the composition of Hydraulic AGC system of mill and the research of rolling force, its …
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WhatsApp: +86 18221755073Calculate the speed, pressure and load-carrying capacity of hydraulic circuits. Evaluate the performance of hydraulic circuits using various hydraulic elements. 1.1 Introduction A hydraulic circuit is a group of components such as pumps, actuators, control valves, conductors and fittings arranged to perform useful work.
WhatsApp: +86 18221755073A coupled vibration model of hot rolling mill rolls under multiple nonlinear effects is established by considering the nonlinear spring force produced by the hydraulic cylinder, the nonlinear ...
WhatsApp: +86 18221755073A kind of PID controller based on fuzzy RBF neural network is proposed to the problem that traditional PID controller is difficult to achieve good control effect because of the fixed parameters. This method includes the reasoning ability of fuzzy control and study ability of neural network. Fuzzy control and RBF neural network are combined in order to adjust …
WhatsApp: +86 18221755073Tension control in cold-rolling pilot mills (CRPMs) with hydraulic tension is subject to extraneous forces resulting from positional disturbances, strong coupling, and time-varying characteristics ...
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WhatsApp: +86 18221755073The hydraulic rolling mill in the process flow is the core equipment in the rolling process, which has a direct impact on the thickness of the plate and strip. ... Device 1 in the Figure 11a is an air circuit breaker, which is used for the short-circuit protection and leakage protection of the simulation platform to prevent equipment from being ...
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