Abstract:

A new control platform for compression ignition engines was developed to improve the performance of engine control systems and support the research of new combustion modes with gasoline-diesel blended fuel. An integration architecture was introduced based on a new automotive grade multi-core microcontroller
MPC5746R. Automotive Open System Architecture (AUTOSAR) rules were applied to the basic software and coordination mechanisms between two cores were designed. Engine position detection, injection control and cylinder pressure acquisition were included in the complex drivers. Engine control and combustion control (combustion indexes calculation, combustion mode recognition and feedback combustion control) were integrated into the application software. Verification tests were done on a 1.9 L diesel engine. The results show that it is able to acquire cylinder pressure information, calculate combustion indexes and do the feedback combustion control in real-time applications by using this control platform.

Key words: compression ignition engines, integration architecture, cylinder pressure acquisition, engine