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Entry type: Application example Entry ID: 101978659, Entry date: 10/10/2014
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Configuration of the model based predictive controller MPC10x10 for Tennessee Eastman Benchmark Process in SIMATIC PCS 7

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In addition to the model based predictive controller ModPreCon for up to 4x4 interacting manipulated and controlled variables the new large predictive controller MPC10x10 for up to 10x10 manipulated and controlled variables is introduced in the context of PCS 7 V8.1.

The MPC10x10 not only offers larger variable numbers but also some principally new functions which are introduced in this application note.
This document expands the applications notes "Model based predictive multi-variable control at the example of a distillation column" (Entry-ID 37361208) and " Fluidized bed dryer - design of a predictive controller with operating point optimization" (Entry-ID 61926069)  in which the functions of the ModPreCon are already described  and is focused on the new features of the MPC10x10.
Using the example of a processing plant with several units (Tennessee Eastman benchmark process with reactor, separator, stripper and compressor) the design of the MPC10x10 as a supervisory master controller is explained, dealing with six manipulated variables, five controlled variables and three measurable disturbance variables.

Main contents
The following issues are treated in this application:

  • Identification of  process models  with numerous manipulated and controlled variables
  • Dynamic online optimization considering  constraints
  • Setting of  target values for manipulated variables
  • Simulation studies inside  MPC configurator
  • Commissioning and test of  the controller

Validity
This entry was created with SIMATIC PCS 7 V8.1, the procedure is valid for higher versions of SIMATIC PCS 7.

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  Documentation (2,2 MB)


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