Siemens PCS 7 manual Conclusion

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Conclusion

6 Conclusion

The area of application of the model predictive controller embedded in SIMATIC PCS 7 is extended clearly by the described stabilization of unstable sub control loops with the help of a slave proportional-only controller. A typical application is an MPC where one controlled variable is the level of a tank, reactor, etc.

MPC Level	21
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Contents Applikationen & Tools Page Online-support.automation@siemens.com Warranty and Liability Table of Contents Objective of the Application PrefaceIntroduction Basic Principles of Model Predictive ControlStable and Unstable Control Loops Whithout compensation With Ohne Integral Ausgleich Level Control Examples of Unstable Control LoopsPressure Control in Tanks Position Control Unit-step response of an integrating process Stabilization of Unstable Control Loopst 1s PID Tuner Configuration of MPC with Slave Controller Starting PointConnection in CFC MV1 MV2 Connection of MPC and slave controller Commissioning Simulation Example OS picture of the example project Conclusion Internet Link Specifications Related LiteratureBibliography Version Date Modifications History

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