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Automatic sintered material controlling method

An automatic determination and automatic detection technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve the problems of large particle changes, unstable operation, and large changes in time parameters.

Inactive Publication Date: 2002-07-10
李伟
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Problems solved by technology

However, due to the large changes in the viscosity, humidity, and particles of the sintered raw materials, the feeding state presents a large inertia and intermittent state, and, with the change of material conditions, its time parameters change greatly. Therefore, the current PID-based The application of the control loop in the sintering batching system cannot run stably

Method used

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  • Automatic sintered material controlling method
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Embodiment Construction

[0015] As shown in the figure, the automatic control method of sintering ingredients,

[0016] 1) After the system is started, it automatically detects the parameter change period of the object under constant excitation or the time period when it reaches stability, runs the rectification program to automatically rectify the process value, and calculates the control output period Ts;

[0017] 2) After automatic input, according to the deviation value E between the process value pv and the system value sp within the control area, if it is less than or equal to the preset positive deviation +1%, and greater than or equal to the preset negative deviation -1%, the control output will not be adjusted , the output remains unchanged;

[0018] 3) The deviation value E between the process value pv and the system value sp When the deviation value exceeds the range, the control output of the system is automatically determined according to the approximation method.

[0019] 4) When the de...

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Abstract

The automatic control sintered material compounding method for sintering plant and cement mill features the automatic determination of parameter variation period or stabilizing time period, automatic process value sychronization to calculating control output period after starting the system; and the maintenance of the output or automatic controlling output according to that the process values are within or beyond the tolerant range after automatic material throwing. The present invention is superior in that the system has conveygent control effect and even in case that object parameters are changed, the system can be regulated automatically and fast to ensure stability owing to the divergence diagnosing link.

Description

technical field [0001] The invention relates to an automatic control method for round body powder batching applied in sintering plants, cement plants and the like. Background technique [0002] At present, traditional PID control is used for batching in sintering plants and cement plants. This method is suitable for occasions where the object parameters are fixed and the controlled parameters change continuously. However, due to the large changes in the viscosity, humidity, and particles of the sintered raw materials, the feeding state presents a large inertia and intermittent state, and, with the change of material conditions, its time parameters change greatly. Therefore, the current PID-based The application of the control loop in the sintering batching system cannot run stably. Contents of the invention [0003] The object of the present invention is to provide a fast, stable, easy input and automatic adjustment method for automatic control of sintering batching. [...

Claims

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Application Information

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IPC IPC(8): G05B13/00
Inventor 李伟
Owner 李伟
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