Synchronous transport model and method thereof

Abstract

The invention provides a synchronous transport model and a method thereof. Synchronous transport of data is realized by the aid of the special synchronous TPM (Transport Model), input parameter values are stored through a shift register, particularly, a real-time parameter value is input to a first position of the shift register, and shifts forwards in the shift register along with running of an object corresponding to the parameter value, and then is output when running of the corresponding object in the transport distance is completed. The synchronous transport model is characterized in that the possibility of changing of transport speed is taken into consideration, and synchronous transport can be realized accurately on condition of optionally variable speed due to the fact that real-time transport speed is required to be input at each sampling instant. Accordingly, the synchronous transport model and the method thereof can be widely applied to synchronous transport of data on condition of variable speed.

Description

technical field [0001] The invention relates to a synchronous transmission model and its method. Background technique [0002] In the strip rolling process of cold tandem mills, in order to improve the longitudinal tolerance of strip steel and increase the hit rate of product thickness, a lot of research has been done on the automatic thickness control system of tandem cold rolling mills at home and abroad. The most commonly used thickness control method in the past is to measure the actual thickness of the strip by configuring a thickness gauge behind the rolling mill stand, and then adjust the hydraulic roll gap of the rolling mill to perform feedback control on the thickness of the strip. This thickness control method is called monitoring AGC (Monitor Automatic Gauge Control). However, due to the limitation of the rolling mill structure, the thickness gauge is generally installed at a certain distance from the roll gap of the rolling mill. In this way, the fluctuation of...

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Problems solved by technology

[0010] In the formula, ΔS is the roll gap adjustment amount of monitoring AGC; C m is - plastic coefficient of strip steel; K m is the stiffness coefficient of the rolling mill; Δh is the monitoring value of the thickness error of the strip exit; among them, the plasticity coefficient of the strip is C m and mill stiffness factor K m It is obtained from the testing of the rolling mill in the trial run stage, and the accurate value cannot be obtained at present, which affects the accuracy of monitoring AGC

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