Siemens PCS 7 User Manuals

Table of Contents

• 1 Preface

  6
• 2 Introduction

  7
  • 2.1 Basic Principles of Model Predictive Control

    7
  • 2.2 Stable and Unstable Control Loops

    7
  • 2.3 Examples of Unstable Control Loops

    9
    • 2.3.1 Level Control

      9
    • 2.3.2 Pressure Control in Tanks

      10
    • 2.3.3 Position Control

      11
    • 2.3.4 Example of Multivariable Control with Integral Part Transfer Function

      11
• 3 Stabilization of Unstable Control Loops

  12
  • 3.1 Manual Parameterization of a Proportional-only Controller for Integrating Processes

    12
  • 3.2 PID Tuner

    14
• 4 Configuration of MPC with Slave Controller

  15
  • 4.1 Starting Point

    15
  • 4.2 Connection in CFC

    15
  • 4.3 Commissioning

    18
• 5 Simulation Example

  19
• 6 Conclusion

  21
• 7 Related Literature

  22
  • 7.1 Bibliography

    22
  • 7.2 Internet Link Specifications

    22
• 8 History

  23