基于喷射动力学的压缩天然气多点喷射系统开发

Development of CNG Multi-point Injection System Based on the Fuel Injection Dynamic Model

燃料喷射动力学模型较好地给出了精确控制发动机燃料供给的主要控制参数。本文介绍了应用燃料喷射动力学模型,在原车汽油控制单元控制数据的基础上开发压缩天然气—汽油两用燃料汽车的天然气多点喷射系统,达到了在满足排放要求的前提条件下,有效减少动力损失并达到较好的燃料经济性。

The fuel injection dynamic model can well describe how to accurately control the fuel supplied to the engine and can provide the main control parameters.The development and application of the compressed natural gas(CNG) multipoint injection(MPI) system based on the fuel injection dynamic model for the gasoline and CNG bi-fuel vehicle are discussed.The results indicate that the compressed natural gas multipoint injection system can meet the emission requirement and can effectively reduce the power loss and f...