Cylinder Pressure Sensing and Model-Based Control in Engine Management Systems
2000
Global demands on fuel economy and lower emissions from automotive vehicles have had a large impact on the development of Engine Management Systems (EMS) in recent years. However, despite the advances in system hardware, the software programmed into these systems has yet to utilise the full potential of modern control methodologies. Model based control and diagnostics is the next step forward in the development of EMS software with the potential of providing improvements in cost, efficiency, emissions and comfort. However, the full utilisation of such techniques requires very close monitoring of engine conditions. This is made possible with the advent of new inexpensive sensor technology that can withstand the harsh environment of the combustion chamber. To exploit the above advances, the AENEAS collaborative project is being carried out by Ricardo, DaimlerChrysler and Kistler, with financial support from the European Commission and Swiss Government, and has the objective of realising the benefits of Cylinder Pressure based Engine Management System (CPEMS) technology.
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