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Design and Research with the Monitoring and Control System of Paper-Making Process

Author: WenPeng
Tutor: BaiRuiXiang
School: Tianjin University of Science and Technology
Course: Detection Technology and Automation
Keywords: Programmable Logic Controller IPC Industrial Ethernet Fuzzy PID Control WinCC configuration software Moisture and Basis Papermaking
CLC: TP277
Type: Master's thesis
Year: 2008
Downloads: 13
Quote: 0
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Abstract


Designed to the papermaking process in the paper-making process for the object , based on the IPC-PLC papermaking process intelligent monitoring system , including on-site PLC program control system , the host computer monitoring system , advanced intelligent control system and their communication system . Introduced the hardware configuration of each system and its function in the software . The control system of the project site is the German SIEMENS S7-300 series PLC to do the next bit controller, complete data acquisition and control of the production process . Use contrast matching STEP ? Programming software , STL and LAD programming language compiled scene PLC control program , so that the pulp streamed , paper machine drive steam for the steam , water quantitative four subsystems can be implemented in accordance with the requirements of the production process automatic control of the production process . The use of stable performance, good anti - interference performance the Advantech IPC as monitoring system host computer . Using the same configuration and design of man-machine interface of the the company SIEMENS WinCC industrial control configuration software on the PC monitoring function to achieve real-time recording of field data , display and monitor the design process screen , record query screen , alarm screen , report Print screen , parameter setting screen , real-time curve display screen operations such as display screen . Controlled object - water for the production process , quantitative nonlinear , large delay and strong coupling characteristics of the fuzzy control strategy combined with expert control algorithm to control it , and WinCC global scripting to implement this control algorithm . Through MATLAB simulation with traditional PID control simulation results were compared , and that this control strategy to improve the control precision to meet the production process requirements . In the control room of the system through IPC with lower PLC communications, based on Industrial Ethernet and TCP / IP protocol lower PLC via MPI communication control system not only play their respective advantages of different equipment , shorten project time, reduce the consumption of human and material resources , and easy contact management control center , the management and control integration .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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