A Diesel Engine Real time NOx Emission Simulation System Based on RTW and VxWorks
A Diesel Engine Real time NOx Emission Simulation System Based on RTW and VxWorks
- New search for: Jiang, Fangyi
- New search for: Zhang, Jie
- New search for: Gao, Shilun
- New search for: Jiang, Fangyi
- New search for: Zhang, Jie
- New search for: Gao, Shilun
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.
Document information
A Diesel Engine Real time NOx Emission Simulation System Based on RTW and VxWorks
Sae Technical Papers
2007 Fuels and Emissions Conference ; 2007
2007-01-23
Conference paper
English
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