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Heating furnace temperature control method and system based on improved particle swarm optimization

A technology for improving particle swarm optimization and particle swarm optimization, which is applied to furnace control devices, controllers with specific characteristics, electric controllers, etc., can solve the problem of low temperature control accuracy of heating furnaces, and achieve fast optimization speed and adjustment The effect of high precision and fast response

Inactive Publication Date: 2021-10-26
ANHUI UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0007] Aiming at the problem of low accuracy of heating furnace temperature control in the prior art, the present invention provides a heating furnace temperature control method and system based on improved particle swarm optimization, which can realize precise control of heating furnace temperature and greatly improve The control accuracy of the heating furnace temperature is improved

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  • Heating furnace temperature control method and system based on improved particle swarm optimization
  • Heating furnace temperature control method and system based on improved particle swarm optimization
  • Heating furnace temperature control method and system based on improved particle swarm optimization

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Embodiment

[0045] The structure of a heating furnace temperature control system based on improved particle swarm optimization fuzzy PID is as follows: image 3 As shown, including fuzzy control module, gain module, PID control module, control valve, optimization module and temperature transmission module, such as image 3 As shown in the flow chart, the input terminal of the fuzzy control module inputs the error between the outlet temperature of the heating furnace and the temperature set value, and the rate of change of the error. The signals of the fuzzy control module and the optimization module are sent to the gain module, and then sent through the gain module To the PID control module to realize the control of the control valve, the control valve controls the output temperature to the controlled object, and adjusts the furnace outlet temperature of the controlled object heating furnace; the furnace outlet temperature of the heating furnace is fed back to the input through the tempera...

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Abstract

The invention discloses a heating furnace temperature control method and system based on improved particle swarm optimization, and belongs to the technical field of heating furnace automatic control. A heating furnace temperature model is established based on an MATLAB / Simulink simulation platform, a fuzzy control rule is established for a temperature change curve, the temperature error and the error change rate of the heating furnace are obtained through temperature monitoring equipment at a heated material inlet and a heated material outlet and serve as input parameters of the fuzzy PID control module, parameter optimization of output KP, Ki and Kd of the PID control module is directly fuzzy through a particle swarm, an optimal value is selected and assigned to the gain module, and the three initially calculated PID parameters are combined with the output parameters of the fuzzy control module passing through the gain module so that the temperature curve of the heating furnace can be adjusted. In order to solve the problem of low furnace temperature control precision of the heating furnace in the prior art, chaotic mapping is utilized to enable the particle swarm to overcome the premature phenomenon, local optimization is avoided, and the method has the advantages of high response speed, high stability and good anti-interference performance.

Description

technical field [0001] The invention belongs to the technical field of heating furnace automatic control, and more specifically relates to a heating furnace temperature control method and system based on improved particle swarm optimization. Background technique [0002] In the metallurgical industry, a heating furnace is a device that rolls materials or workpieces to forging temperature. Heating furnaces are used in petroleum, chemical, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmaceuticals and many other industries. Heating furnaces, various industrial furnaces, and boilers are high-energy-consuming furnaces that consume a lot of resources. Therefore, how to control the operation of the heating furnace more accurately and reduce energy consumption with greater efficiency while ensuring normal production is a problem that is generally concerned by the society. [0003] The trad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B11/42F27D19/00G06N3/00
CPCG05B11/42F27D19/00G06N3/00F27D2019/0003
Inventor 冯旭刚章义忠章家岩
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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