Methodology for Model-Based Calibration on 4jb1 High-Pressure Common-Rail Diesel Engine

摘要

Calibration of engine management systems requires considerable engineering resources during the development of modern engines. Common-rail diesel engine increases a greater level of system complexity and greatly increases test requirements to achieve successful calibrations. This study is about calibration of the 4JB1 high-pressure common-rail diesel engine based on a simulation model which built up in the GT-Power software. The model is verified by the comparison between simulation and experiment results on some operating points. The model can be applied to calibrate and optimize the injection parameters through the method of DoE (Design of Experiments), and get a set of injection parameters MAPs. From the experiment results, the simulation model can fulfill the calibration needs of the 4JB1 diesel engine. This method gets a set of pre-calibration MAPs off-line which is critical to reduce the development period and cost.