Predictive coordinated control of fuel consumption and emissions for diesel engine vehicles under intelligent network environments

Diesel engines have been widely used in vehicles because of their excellent fuel efficiency and durability. Although they only represent a small percentage of vehicle ownership, they cause the majority of on-road emissions such as NOx and PM [1]. By analyzing the emission characteristics of diesel engines, transient engine operation such as at idle speed and start-up is found to cause substantially more to total emissions over a driving cycle compared to steady-state engine operation [2]. Therefore, the challenge of the existing technology is to improve the emission and fuel consumption performance of diesel engine under transient conditions.