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Development of Closed-Loop Combustion Control~A Necessity for Alternative Diesel Combustion Systems?
Published May 19, 2004 by Society of Automotive Engineers of Japan in Japan
Event: 2004 JSAE Annual Congress
With today's flexibility on diesel engines the start of combustion is not only controlled by the fuel injection timing. Charge condition parameters have significant effects on the combustion and thus on engine out emissions. As a consequence the successful application of lowest emission diesel combustion strategies must always be seen in close connection with the required engine control strategy. Applying some kind of closed-loop combustion control reduces the dispersion when shooting for lowest emissions and also enables future combustion strategies. The development process of such a closed-loop combustion-guided control strategy is described, applying a rapid prototyping engine management system (AVL-RPEM) and online cylinder pressure signal evaluation.