Engine air-fuel ratio and torque control using secondary throttles

Anna G. Stefanopoulou; Jessy W. Grizzle; J.S. Freudenberg

doi:10.1109/cdc.1994.411385

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Engine air-fuel ratio and torque control using secondary throttles

Anna G. Stefanopoulou Jessy W. Grizzle J.S. Freudenberg

Year: 2002 Vol: 3 Pages: 2748-2753

DOI: 10.1109/cdc.1994.411385

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Abstract

A control scheme is designed to limit air-fuel ratio excursions and track driver-demanded torque for a 4-cylinder engine during rapid changes in throttle position. The new control scheme is based on joint management of air and fuel flow into the cylinders using secondary throttles placed before the intake ports of the cylinders, in combination with standard fuel injectors.< >

Keywords:

Throttle Torque Automotive engineering Air–fuel ratio Engineering Controller (irrigation) Limit (mathematics) Computer science Simulation Mathematics Physics

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Advanced Combustion Engine Technologies

Physical Sciences → Chemical Engineering → Fluid Flow and Transfer Processes

Real-time simulation and control systems

Physical Sciences → Engineering → Control and Systems Engineering

Engine air-fuel ratio and torque control using secondary throttles

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