Title
Iterative learning-based air-fuel control of gasoline engines with unknown off-set
Abstract
This paper presents an air-fuel ratio control scheme via individual fuel injection for gasoline engines with multi-cylinders. The control scheme targets on unknown off-set in the fuel path of individual cylinder which represents the effect of the cylinder-to-cylinder imbalance caused by the perturbations in each injector gain or other disturbances in the dynamics of fuel injection path. The fueling-to-exhaust gas mixing system is treated as single-input single-output (SISO) periodic time-varying system where the input is fuel injection command for each cylinder and the output is the exhaust bottom dead center (BDC) scaled air-fuel ratio sampling. Then, an observer-based iterative learning strategy is proposed to provide estimation of the unknown off-set in each cylinder. The effectiveness of the learning algorithm will be demonstrated with the experiment results conducted on a commercial car-used engine with six cylinders. Furthermore, as an application of the learning algorithm, feedback control with feedforward compensation is also demonstrated with experiment validation.
Year
DOI
Venue
2012
10.1109/IS.2012.6335152
IEEE Conf. of Intelligent Systems
Keywords
Field
DocType
air,fuel systems,internal combustion engines,iterative methods,perturbation techniques,time-varying systems,air fuel ratio control,bottom dead center,commercial car used engine,cylinder to cylinder imbalance,feedback control,feedforward compensation,fuel injection,fuel injection command,fueling to exhaust gas mixing system,gasoline engines,iterative learning based air fuel control,multi cylinders,observer based iterative learning,periodic time varying system,scaled air fuel ratio sampling,single input single output
Cylinder (engine),Fuel injection,Control theory,Iterative method,Computer science,Injector,Cylinder,Iterative learning control,Observer (quantum physics),Feed forward
Conference
ISBN
Citations 
PageRank 
978-1-4673-2276-8
0
0.34
References 
Authors
2
3
Name
Order
Citations
PageRank
Tomohiro Hara100.34
Tielong Shen224340.52
Yasuhiko Mutoh32912.39