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Intelligent control system for mixing plant

A technology of intelligent control system and mixing station, applied in general control system, control/regulation system, mixing plant, etc., can solve the problems of inconvenient operation of man-machine interface, high system failure rate, low production efficiency, etc., to improve batching Accuracy and system stability, strong interactivity and beautiful interface

Inactive Publication Date: 2017-06-20
李福来
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve problems such as high system failure rate, large batching error, low production efficiency and inconvenient man-machine interface operation caused by the control system with single-chip microcomputer as the core in the traditional mode and the method of compensating batching error by experience. An Intelligent Control System of Mixing Plant is Designed

Method used

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  • Intelligent control system for mixing plant
  • Intelligent control system for mixing plant
  • Intelligent control system for mixing plant

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Embodiment Construction

[0018] Such as figure 1 As shown, the intelligent control system of the mixing plant consists of a hardware system and a software system. The system hardware is mainly composed of industrial computer and PLC. The control mode of the upper computer and the lower computer is used to divide the control task of the system into two parts. Among them, the industrial computer as the upper computer mainly completes the management of concrete formulas, the collection and storage of batching data, the dynamic display of the status screen, the prompting of alarm information and the printing of reports, etc.: PLC as the lower computer receives the motion control signal sent from the industrial computer to perform production Various actions required in the process, such as the start and stop of equipment, various complex movements that require logical judgment, and the control of mixing time. This typical upper and lower computer system structure model improves the operating speed, stabilit...

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Abstract

An intelligent control system for a mixing station is composed of a hardware system and a software system. Aiming at the production process and motion control process of the concrete mixing plant, the control mode combining upper and lower locomotive machines is adopted, and the composition principle of the system hardware, software design process and DDE communication program design method are analyzed in detail. The upper computer control system is developed with WinCC configuration monitoring software, which realizes the automatic control and data management of the mixing station site. Aiming at the problems of poor batching precision and low production efficiency, a fuzzy PID control method is proposed, and the accuracy of batching control is improved by online tuning of PID parameters. The field test shows that the intelligent control system of the mixing plant is stable and reliable. It has the advantages of low cost, friendly man-machine interface and high production efficiency, and can meet the requirements of the intelligent control system of the mixing station.

Description

Technical field [0001] The invention relates to an intelligent control system, in particular to an intelligent control system of a mixing station. Background technique [0002] The concrete mixing plant is a combined device used to mix concrete in a centralized manner, also known as a concrete precast plant. Due to its high degree of mechanization and automation, the productivity is also high, and it can ensure the quality of concrete and save cement. It is often used in large and medium-sized water conservancy, electric power, and bridge projects with large concrete works, long construction periods, and concentrated construction sites. The concrete mixing plant is a building material manufacturing equipment composed of a mixing host, a material weighing system, a material conveying system, a material storage system, a control system and other auxiliary facilities. The main principle of its work is to use cement as a cement Sand, lime, coal cinder and other raw materials are mix...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28C9/02B28C7/02G05B19/042G05B19/05
CPCB28C9/02B28C7/02G05B19/0421G05B19/05
Inventor 李福来
Owner 李福来
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