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Volumetric Efficiency and Pumping Torque Estimation and Compressor Recirculation Control of Turbocharged Engines
ISSN: 1946-3936, e-ISSN: 1946-3944
Published April 20, 2009 by SAE International in United States
Citation: Müller, M., "Volumetric Efficiency and Pumping Torque Estimation and Compressor Recirculation Control of Turbocharged Engines," SAE Int. J. Engines 2(1):344-356, 2009, https://doi.org/10.4271/2009-01-0587.
This paper presents three sub-models of production Engine Management Systems software for turbocharged engines; 1) new load variable for volumetric efficiency modelling, 2) new pumping torque model, where 1) and 2) both solve non-monotonic behavior of traditional techniques for active boost controlled engines, 3) Compressor Recirculation Control requiring only the compressor surge-line for calibration.