The potential of a cost-based optimization method is experimentally demonstrated a Euro-VI heavy-duty diesel engine. Based on the actual engine-aftertreatment state, this-based Integrated Emission Management (IEM) strategy minimizes operational (fuel and) costs within emission constraints by real-time computation of optimal air management points. This work discusses the control design in detail. By EGR-SCR balancing, fuel and operational costs are reduced by 2.1% and 1.5%, respectively, compared to baseline strategy over the hot World Harmonized Transient Cycle. Due to its adaptation, the IEM strategy is robust for varying conditions during real-world operation.
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Lorna Smith Benjamin (1979) studied this question.
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