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SCADA Systems Architecture Based on OPC and Web Servers and Integration of Applications for Industrial Process Control

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Figure

Figure 1.  SCADA system based on OPC server architecture
Figure 2.  SCADA application architecture
Figure 3.  Software interface: a) The step signal applied and the response of the second order system; b) System identification, LQR controller synthesis, state equations and system validation
Figure 4.  Monitoring system – SCADA integration: (a) OPC-UA Server interface, (b) Software block diagram of the OPC-UA Server (c) Software interface of the process values time evolution, (d), Software interface of the OP UA Client Read, (e) Software block diagram of the OPC-UA Client Write and Database Client Write Module, (f) Software block diagram of the OPC-UA Client Read and Write to TDMS Module
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