A nonlinear mean value engine model has been identified by using engine static maps. The model is linearized, simplified, and analyzed for the idle speed operating mode. Least-squares estimation of different types of input-output linear model are considered, with the aim to find a proper identification technique in the presence of significant speed perturbations of weakly excited engine. An analytical design method of tuning the PI and PID idle speed controllers is proposed. The method is based on the damping optimum criterion. Design of a more advanced, polynomial speed controller is also presented. The controllers are experimentally verified and compared.
Identification and Speed Control of SI Engine for Idle Operating Mode
Sae Technical Papers
SAE 2004 World Congress & Exhibition ; 2004
2004-03-08
Conference paper
English
Identification and Speed Control of Sl Engine for Idle Operating Mode
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