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Emission legislation has forced the pace of development of engine management functions. Legislation that will be applied to diesel engines during the period 2010-2020 continue to put great emphasis on both nitrogen oxides NOx and particulate matter (PM). With the increasing effort to reduce emissions and maintain fuel economy manufacturers are focussing on engine control. Engine control requires data...
Variable valve actuation in heavy duty diesel engines is not well documented, partly because of diesel engine nature, such as, unthrottled air handling, which gives little room to improve pumping loss; a very high compression ratio, which makes the clearance between the piston and valve is little when the piston reaches the top dead center. It is a long time that diesel engines are running by EGR...
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