Pre-milling system control method based on fuzzy intelligent control and optimization method

A technology of fuzzy intelligent control and optimization method, which is applied in general control system, control/regulation system, adaptive control, etc., can solve the problems of high energy consumption cost and low automation level, so as to improve the operation rate of equipment and facilitate online Effect of running, simplifying modeling steps

Active Publication Date: 2012-01-18
ZHEJIANG UNIV
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Problems solved by technology

[0008] The purpose of the present invention is to provide a control method for the pre-grinding system based on fuzzy intelligent ...

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  • Pre-milling system control method based on fuzzy intelligent control and optimization method
  • Pre-milling system control method based on fuzzy intelligent control and optimization method
  • Pre-milling system control method based on fuzzy intelligent control and optimization method

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Embodiment Construction

[0050] The purpose and effects of the present invention will become more apparent by referring to the accompanying drawings in detail of the present invention.

[0051] The general technical scheme that the present invention adopts is:

[0052] 1) The pre-grinding system is divided into two control loops: the steady flow bin weight control loop and the cycle load control loop. The weight control loop of the steady flow warehouse includes the following process: the ingredients enter the steady flow warehouse through the elevator, and after the action of the circulating fan, the qualified materials enter the mill elevator and are sent to the grinding system, and the unqualified materials enter the roller press, and are then rolled. Then enter the hoist together with the ingredients again. The steady flow warehouse weight control loop is as follows: figure 2 shown. The cyclic load control loop includes the following process: the qualified material in the steady flow bin enter...

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Abstract

The invention relates to the field of industrial automatic control and aims to provide a pre-milling system control method based on fuzzy intelligent control and an optimization method. In the pre-milling system control method, a steady flow cabin weight control loop is used for controlling feeding, discharging and self circulation of a steady flow cabin, and a cyclic load control loop is used for controlling feeding, discharging and self circulation of a grinding system; and fuzzy intelligent control is adopted in the steady flow weight control loop, and a prediction control method is adopted in the cyclic load control loop for controlling. According to the invention, the weight of the steady flow cabin is stably kept within a safety range, and severe oscillations are avoided; the prediction control method adopted in the cyclic load control loop can be used for effectively processing non linearity, strong coupling, multiple variables, large time-delay and other properties in a pre-milling system flow, and effectively treating constraint conditions; and thus, the fluctuations of all variables are obviously reduced, the automation level of a pre-milling system is increased, the labor intensity of workers is reduced, and the purpose of stable and optimized operation of the system is achieved.

Description

technical field [0001] The invention relates to the field of industrial automatic control, in particular to a control method for a pre-grinding system based on fuzzy intelligent control and an optimization method. Background technique [0002] The cement production process is a complex physical and chemical process. Although the production process is constantly developing, from shaft kiln, hollow kiln, wet process kiln, preheater kiln to the current new dry process kiln (preheater with decomposition outside the kiln), The overall production process remains unchanged, that is, two mills and one kiln (raw material mill system, cement kiln system, cement mill system). [0003] Among them, the pre-grinding process is an important link in cement production. Because of its characteristics of large lag, nonlinearity, and strong coupling, it has always been an important and difficult issue in cement process control. At present, most of the pre-grinding process of domestic cement pr...

Claims

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Application Information

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IPC IPC(8): G05B13/04C04B7/52
CPCY02P40/10
Inventor 颜文俊刘志鹏李沛然孟濬郑军张进锋包哲静
Owner ZHEJIANG UNIV
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