NDLI: Control oriented modeling of a radial turbine for a turbocharged gasoline engine

Content Provider	IEEE Xplore Digital Library
Author	Salehi, R. Shahbakhti, M. Alasty, A. Vossoughi, G.R.
Copyright Year	2013
Description	Author affiliation: Mech. Eng. Dept., Sharif Univ. of Technol., Tehran, Iran (Salehi, R.; Alasty, A.; Vossoughi, G.R.) \|\| Mech. Eng.-Eng. Mech. Dept., Michigan Technol. Univ., Houghton, MI, USA (Shahbakhti, M.)
Abstract	This paper presents a control oriented model for predicting turbine major variables in a turbocharged spark ignition engine. The turbine is simulated as a two-nozzle chamber where the pressure ratio over the two nozzles is not the same. A convex nonlinear estimation algorithm is formulated to determine the relation between these pressure ratios. The new model is experimentally validated with transient and steady state data collected from a 1.7 liter gasoline engine. The results show the new model can predict the turbine mass flow with an average error of 1.4%. In addition, the application of the turbine model is illustrated for the design of a nonlinear observer to estimate the turbocharger non-measured variables. The designed observer is tested against experimental data and the results confirm the observer capability to estimate the turbine rotor speed, flow over the compressor and temperature downstream the compressor.
Starting Page	5207
Ending Page	5212
File Size	1067139
Page Count	6
File Format	PDF
ISBN	9781479901777
ISSN	07431619
e-ISBN	9781479901784
DOI	10.1109/ACC.2013.6580648
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Turbines Engines Temperature measurement Observers Rotors Temperature sensors
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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