Browse Publications Technical Papers 2015-01-1620
2015-04-14

Estimation Algorithms for Low Pressure Cooled EGR in Spark-Ignition Engines 2015-01-1620

Low-pressure, Cooled Exhaust Gas Recirculation (LPC EGR) brings significant fuel economy, NOx reduction and knock suppression benefits to a modern, boosted, downsized Spark Ignition (SI) engine. As a prerequisite to design an engine control system for LPC EGR, this paper presents development of a set of estimation algorithms to accurately estimate the flow rate, pressure states and thermal states of the LPC EGR-related components.

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