Title :
Evaluation of torque estimation using gray-box and physical crankshaft modeling
Author :
Christoph Kallenberger;Haris Hamedovic;Abdelhak M. Zoubir
Author_Institution :
Corporate Research and Development, Advance Engineering Systems, Robert Bosch GmbH D-71701 Schwieberdingen, Germany
fDate :
3/1/2008 12:00:00 AM
Abstract :
In-cylinder pressure and combustion torque provide feedback information that can be utilized in advanced control and diagnosis strategies for combustion engines. One challenge in torque estimation is the compensation of the torsional effects of the crankshaft. This paper presents a novel torque estimation method using a gray-box model (motivated from a physical model) of the crankshaft in combination with one in-cylinder pressure and one engine speed measurement. The MISO system inversion is described and the approach is benchmarked against an existing method. The results using a four- cylinder spark ignition engine encourage the further investigation of the approach.
Keywords :
"Torque","Combustion","Feedback","Velocity measurement","Pressure control","Propulsion","Signal processing","Engine cylinders","Equations","Research and development"
Conference_Titel :
Acoustics, Speech and Signal Processing, 2008. ICASSP 2008. IEEE International Conference on
Print_ISBN :
978-1-4244-1483-3
Electronic_ISBN :
2379-190X
DOI :
10.1109/ICASSP.2008.4517913