1. TAMING PROCESS COMPLEXITY
LONG-TERM COLLABORATION IN THE PULP AND PAPER INDUSTRIES
Valve
Controller opening
Conc.
Flow
Temp. Freeness
Pressure
Outside temp.
In the future a process system shall assess
itself and indicate how its performance can be improved
Structural optimization: Primary objectives:
Optimization of control structures is the Ÿ principle process models with
First
task of improving the performance of an uncertainty descriptions
existing control structure by introducing or Ÿ methods for structural analysis
Robust
removing dynamic connections.
Ÿ
Methods for structural optimization
The MeSTA project aims at the design of Ÿ
Visualization of process systems
reliable and industrially viable methods and
tools that support plant owners in that task. Ÿ verification on pilot processes
Test and
Funding is provided by Ÿ
Prototype tool package
u1 uR
qR
Potential improvement h1
u2
Dynamic connection
h2 Manipulated process variable qF Ep h2
h2 Controlled process variable
BETTER PRODUCTS Ÿ
HIGHER QUALITY Ÿ
IMPROVED EFFICIENCY
Department of Computer Science and Electrical Engineering Wolfgang Birk: wolfgang.birk@ltu.se
Luleå University of Technology +46 920 491965
SE - 97187 Luleå, Sweden Miguel Castaño: miguel.castano@ltu.se
www.ltu.se/csee/ +46 920 492328