NDLI: Application of Extended Kalman Filter to On-Line Diesel Engine Cylinder Pressure Estimation

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Al-Durra, Ahmed Canova, Marcello Yurkovich, Steve
Copyright Year	2009
Abstract	Cylinder pressure is one of the most important parameters characterizing the combustion process in an internal combustion engine. The recent developments in piezoelectric pressure transducers and progress in on-line computational throughput facilitate the use of cylinder pressure as a feedback signal for engine combustion control. However, a typical production cylinder pressure sensor is subject to noise and offset issues that require signal processing methods, including averaging over several engine cycles, in order to extract a pressure trace sufficiently accurate for combustion characterization. This limits the application of cylinder pressure sensing to off-line applications. In order to enable closed-loop combustion control using cylinder pressure feedback, this study proposes a real-time estimation algorithm that extracts the pressure signal on a crank-angle basis. A simplified thermodynamic model for Diesel engine combustion is derived to predict the in-cylinder pressure. The model is then adapted to model-based estimation, by applying an Extended Kalman Filter in conjunction with a recursive least squares estimation. The resulting estimator is tested on a high-fidelity Diesel engine model for different operating conditions. The results obtained show the effectiveness of the estimator in reconstructing the cylinder pressure and in rejecting measurement noise and modeling errors.
Sponsorship	Dynamic Systems and Control Division
Starting Page	541
Ending Page	548
Page Count	8
File Format	PDF
ISBN	9780791848920
DOI	10.1115/DSCC2009-2523
e-ISBN	9780791838600
Volume Number	ASME 2009 Dynamic Systems and Control Conference, Volume 1
Conference Proceedings	ASME 2009 Dynamic Systems and Control Conference
Language	English
Publisher Date	2009-10-12
Publisher Place	Hollywood, California, USA
Access Restriction	Subscribed
Subject Keyword	Pressure sensors Cycles Combustion Pressure Modeling Engines Noise (sound) Errors Algorithms Diesel engines Feedback Internal combustion engines Signal processing Signals Kalman filters Pressure transducers Cylinders
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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