Robust control for the air path of a downsized engine
Robust control for the air path of a downsized engine
- New search for: Colin, G.
- New search for: Chamaillard, Y.
- New search for: Bellicaud, B.
- New search for: Colin, G.
- New search for: Chamaillard, Y.
- New search for: Bellicaud, B.
In this paper, a simple method has been proposed for designing a robust controller that can be used on non-linear systems. This computationally inexpensive controller is thus obtained faster and more systematically than the usual look-up-table-based controllers. The successive steps of the method are: system identification, system normalization and linearization, nominal model design, model uncertainty design, and controller design with property verification. The system has been normalized and linearized so that any linear controller, available in the linear control theory literature, could be used in the control scheme. The classical PID controller, tuned with a pole placement method in which robustness is verified, is chosen here for its simplicity and in order to prove the effectiveness of the proposed method. This robust control methodology has been applied to the air path of a downsized SI engine, i.e. intake manifold pressure control and boost pressure control. The good control performances of the proposed method have been demonstrated first in simulation and next on an engine test bench.
Document information
Robust control for the air path of a downsized engine
Robuste Regelung für den Luftstrom eines verkleinerten Motors
2011
14 Seiten, 23 Bilder, 1 Tabelle, 17 Quellen
Article (Journal)
English
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