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| SYST0011-1

 | Dynamics and control of chemical systems

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| Duration : | 15h Th, 15h Pr | |
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| Credits/ECTS : |
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| Holder(s) : | Georges Heyen | |
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| Course contents :
| Dynamic modelling of chemical systems Revision on Laplace transform Flowchart analysis and transformation Model linearisation Identification of reduced models from a measured response curve Transfer functions Frequency response analysis, Bode diagram Control actions : PID control Stability of controlled systems Tuning PID controllers Influence of dead time on control quality Synthesis based on stability : gain and phase margins Feed forward control. Cascade control Introduction to multivariable control : variable coupling, RGA analysis, decoupling. | |
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| Course objective :
| Introduction to practical methods used to control chemical processing operations (heat exchange, reactors, distillation)
Gaining notions allowing a chemical engineer to discuss with a control engineer | |
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| Prerequisites :
| Modelling of basic unit operations (reactors, heat exchangers) both in steady state and in dynamics
Solving differential equation systems (linear and non-linear) | |
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| Workshops :
| Illustration of concepts discussed during the lectures using simulations (Control Station software)
Identification of an approximate model from an experimental response curve.
Tuning the parameters of a PID controller; influence of parameters on control efficiency.
Some more complex control schemes : feedforward, cascade control, decoupling. | |
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| Organization :
| 2 hrs lecture and 2 hrs practice each week | |
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| Written notes :
| Recommended textbooks:
- T. Marlin, Process control (Designing Processes and Control Systems for Dynamic Performance), McGraw-Hill (1995)
- B. Wayne Bequette, Process Control: Modeling, Design and Simulation, Prentice Hall (2003).
Copy of presentations (photocopy and pdf) Temporary license to use Control Station software | |
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| Assessment :
| Oral examination, after written preparation | |
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| Contacts :
| Georges Heyen Institut de Chimie B6, room R68 Phone : 04 366 3521 FAX : 04 366 3525 Email : G.Heyen@ulg.ac.be | |
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| Remarks :
| see also : http://cheng00.chim.ulg.ac.be/users/gheyen | |
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