Lower engine emission is an important target in the evaluation of the control strategy of ECU. So the hardware in the loop simulation system (HILSS) including emission model is necessary. In this paper, a NOx emission neural network (NN) model is constructed based on the reflection relationship between the NOx formation and some direct influence factors such as concentration of oxygen, combustion temperature, combustion period. Combined with a nonlinear dynamic diesel engine model based on the filling and emptying methods, the NOx emission NN model can reach the trade-off between simulation accuracy and computational overhead. A new HILS platform based on Matlab/RTW and VxWorks real time operating system is introduced in the paper. The graphic programming and automatic code generating methods also developed to accelerate the development of HILSS.


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    Titel :

    A Diesel Engine Real time NOx Emission Simulation System Based on RTW and VxWorks


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Jiang, Fangyi (Autor:in) / Zhang, Jie (Autor:in) / Gao, Shilun (Autor:in)

    Kongress:

    2007 Fuels and Emissions Conference ; 2007



    Erscheinungsdatum :

    23.01.2007




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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