Simplified burnt gas fraction estimation for turbocharged diesel engine with dual loop EGR system

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This paper describes simplified burnt gas fraction estimation method for turbocharged diesel engine with dual loop exhaust gas recirculation (EGR) system. According to the strengthening emission gas regulation in diesel engine, burnt gas fraction has become principal factor for diesel engine air path system. Previous burnt gas fraction estimation method was valid only for a few operating point because of many assumptions used to prove the observability. Or it limits the condition which is not appropriate for practical use. By introducing a simplified burnt gas fraction dynamics, observability can be proved only with a single assumption. Asymptotic stability of the burnt gas fraction observer was proved by Lyapunov analysis. The observer was validated on a 6L heavy duty diesel engine GT-POWER model with various engine operating points.
Publisher
Institute of Electrical and Electronics Engineers Inc.
Issue Date
2014-10-08
Language
English
Citation

2014 IEEE Conference on Control Applications, CCA 2014, pp.675 - 680

DOI
10.1109/CCA.2014.6981418
URI
http://hdl.handle.net/10203/217256
Appears in Collection
ME-Conference Papers(학술회의논문)
Files in This Item
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