Individual Exhaust gas mass flow estimation using a periodic observer Design

摘要

In this paper, we propose a method to estimate the individual exhaust mass flow rate for a gasoline IC engine. In order to achieve this goal a periodic observer for a class of non linear models in the discrete Takagi-Sugeno form is designed. The adopted framework to prove the stability of the observer is based on the Lyapunov theory and use linear matrix inequality (LMI) formalism. Some simulation and experimental results are provided to show the efficiency of the proposed observer.