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RISDynamic Optimization of Lean Burn Engine Aftertreatment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The competition to deliver fuel efficient and environmentally friendly vehicles is driving the automotive industry to consider even more complex powertrain systems. Adequate performance of these ...
Modeling and Analysis of an Inherently Multi-Rate Sampling Fuel Injected Engine Idle Speed Control Loop
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper develops a model for the idle speed control of a six cylinder electronically fuel injected, spark ignition engine. The inherently discrete microprocessor based fuel controller is not ...
Control-Oriented Model of a Dual Equal Variable Cam Timing Spark Ignition Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A control-oriented engine model is developed to represent a spark ignited engine equipped with a variable cam timing mechanism over a wide range of operating conditions. Based upon laboratory ...
Control Oriented Modeling of a Diesel Active Lean NOx Catalyst Aftertreatment System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The 2004 Federal Tier II and California LEV I emission standards for diesel light trucks mandate tailpipe NOx levels of 0.6g∕mi. Active lean NOx catalysts (ALNC or LNC) have been proposed as ...
Joint Air-Fuel Ratio and Torque Regulation Using Secondary Cylinder Air Flow Actuators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Actuation schemes exist that permit the joint management of air and fuel flow into the cylinders of a spark ignition engine. With the exception of drive by wire systems, to-date, the transient ...