Thermal power plant DCS for background control based on OPC communication technology
Wang Wan-zhao
Abstract
Wang Wan-zhao
Abstract
An architecture of DCS(Distributed Control System) is proposed,which has the algorithm application based on OPC(Object linking and embedding for Process Control) communication technology for the complex background control.The configuration software ForceControlR is used to design the front interface of DCS monitoring system for main-steam temperature of thermal power plant and its PCAuto.OPCServer is used as the OPC server.The Simulink toolbox is used to build the block diagram for site system simulation and its OPC interface is used to communicate with the OPC server.The interface between the back control algorithm application and OPC server is programmed with MATLAB,which is compiled as an executable file for the convenient call by the configuration software at any time.Simulation and experiment prove that the proposed system is stable and reliable.
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An architecture of DCS(Distributed Control System) is proposed,which has the algorithm application based on OPC(Object linking and embedding for Process Control) communication technology for the complex background control.The configuration software ForceControlR is used to design the front interface of DCS monitoring system for main-steam temperature of thermal power plant and its PCAuto.OPCServer is used as the OPC server.The Simulink toolbox is used to build the block diagram for site system simulation and its OPC interface is used to communicate with the OPC server.The interface between the back control algorithm application and OPC server is programmed with MATLAB,which is compiled as an executable file for the convenient call by the configuration software at any time.Simulation and experiment prove that the proposed system is stable and reliable.
Key concepts: OPC Data Access, Distributed control system, Interface (matter), Embedded system, Executable, Operating system, Computer science, Block diagram