NDLI: Two loop based dynamical feedback stabilization control of a diesel engine with EGR & VGT

Content Provider	IEEE Xplore Digital Library
Author	Wang, H.P. Bosche, J. Tian, Y. El Hajjaji, A.
Copyright Year	2011
Description	Author affiliation: Automation school, Nanjing University of Science and Technology, 210094, China (Tian, Y.) \|\| MIS - Université de Picardie Jules Verne, 7 Rue du Moulin Neuf, 80000, Amiens, France (Wang, H.P.; Bosche, J.; El Hajjaji, A.)
Abstract	In this paper, a fourth-order dimensional nonlinear model is proposed for a diesel engine equipped with a Variable Geometry Turbocharger (VGT) and an Exhaust Gas Recirculation (EGR) valve. The referred model which takes into account the engine crankshaft speed dynamics and the air-path dynamics is a non-minimum phase unstable system. The fuel flow rate Wƒ which is considered as input for the engine crankshaft subsystem acts as an external perturbation for the three-order dimensional non-minimum phase air-path subsystem. The global control objectives are to track desired values of engine speed, intake manifold pressure and compressor flow mass rate which can be suitably chosen according to low emission criterions. For the considered objectives two loop based dynamical feedback stabilization control is proposed: an inner loop and an outer loop. The inner loop considers a control based on Lyapunov function which realizes the desired engine speed trajectory tracking. The outer loop concerns EGR & VGT control. It is developed from a particular extended nonlinear air-path subsystem with its modified outputs. This outer loop ensures both the desired intake manifold pressure and the desired compressor mass flow rate trajectory tracking. The outer loop dynamical feedback stabilization control provides also the external fuel mass flow rate perturbation rejection. The robustness and efficiency of the proposed method are demonstrated by simulation results.
Starting Page	1596
Ending Page	1601
File Size	259344
Page Count	6
File Format	PDF
ISBN	9781612848006
ISSN	07431546
e-ISBN	9781612848013
e-ISBN	9781612847993
DOI	10.1109/CDC.2011.6160792
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Engines Manifolds Fuels Mathematical model Atmospheric modeling Trajectory Tracking loops
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Modeling and Simulation

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