Air System Modeling of Ligh-duty Diesel Engines with Dual-loop EGR and VGT Systems

Title
Air System Modeling of Ligh-duty Diesel Engines with Dual-loop EGR and VGT Systems
Authors
선우명호
Keywords
Dual-loop exhaust gas recirculation; Air system model; Diesel engine control; Engine state estimation; Engine modeling
Issue Date
2015-08
Publisher
IFAC
Citation
IFAC-PapersOnLine, v. 48, NO 15, Page. 38-44
Abstract
This paper investigates an air system model for a light duty diesel engine with a dual-loop exhaust gas recirculation (EGR) system and variable geometric turbocharger (VGT). The proposed model estimates unmeasurable engine states using only equipped sensors on mass product engines. The maximum error of thermodynamic states are only when the temperature, pressure and mass are less than 5% and the maximum error of the mass flow rate model is less than 0.003 kg/s. Temperature dynamics and transport delay are obtained to improve the estimation performance in transient engine operating conditions. The model is validated under engine experiments.
URI
http://www.sciencedirect.com/science/article/pii/S2405896315018820http://hdl.handle.net/20.500.11754/26826
ISSN
2405-8963
DOI
http://dx.doi.org/10.1016/j.ifacol.2015.10.006
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > DEPARTMENT OF AUTOMOTIVE ENGINEERING(미래자동차공학과) > Articles
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