| Autor: |
André Desbiens, Paul-André Barrière, René del Villar, François Dumont |
| Rok vydání: |
2001 |
| Předmět: |
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| Zdroj: |
IFAC Proceedings Volumes. 34:131-135 |
| ISSN: |
1474-6670 |
| DOI: |
10.1016/s1474-6670(17)33194-4 |
| Popis: |
Two ways to model a process are physical modeling and empirical modeling. Physical models rely on basic laws of physics whereas empirical models are obtained by fitting an empirical equation to experimental data. Empirical models are less complex and easier to obtain but they are valid only for specific process operating conditions. Moreover, their parameters do not have any physical meaning and a priori information if often completely neglected. Part I of this paper presents two models of a pilot flotation column by mixing both physical and empirical approaches. The models are accurate but remain simple enough to be used for controller design. Part II of the paper details the backstepping control based on the first model and the model reference non linear control using the second model. Comparison is then made with a typical industrial PI control for the same process. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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