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TECHNICAL NOTES

Discrete-Event IC Engine Models: Why the Constant Speed Assumption is Valid

[+] Author and Article Information
Lino Guzzella

Swiss Federal Institute of Technology (ETH), Zurich, Switzerland e-mail: guzzella@imrt.mavt.ethz.ch

J. Dyn. Sys., Meas., Control 125(4), 674-676 (Jan 29, 2004) (3 pages) doi:10.1115/1.1636783 History: Received October 05, 2002; Revised May 17, 2003; Online January 29, 2004
Copyright © 2003 by ASME
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References

Balluchi, A., Benvenuti, L., Di Benedetto, M. D., Villa, T., Wong-Toi, H., and Sangiovanni-Vincentelli, A. L., 2000, “Hybrid Controller Synthesis for Idle Speed Management of an Automotive Engine,” Proc. American Control Conference.
titleBalluchi, A., Benvenuti, L., Di Benedetto, M. D., and Sangiovanni-Vincentelli, A. L., 2003, “Idle Speed Control Synthesis Using an Assume-Guarantee Approach,” Nonlinear and Hybrid Systems in Automotive Control, Springer-Verlag, Berlin.
Cook, J. A., and Powell, B. K., 1987, “Discrete Simplified External Linearization and Analytical Comparison of IC Engine Families,” Proc. American Control Conference.
Grizzle, J. W., Cook, J. A., and Milam, W. P., 1994, “Improved Cylinder Air Charge Estimation for Transient Air Fuel Ratio Control,” Proc. American Control Conference.
Yurkovich, S., and Simpson, M., 1997, “Comparative Analysis for Idle Speed Control: A Crank-Angle Domain Viewpoint,” Proc. American Control Conference.
Hendricks, E., and Sorenson, S. C., 1990, “Mean-Value Modeling of SI Engines,” SAE Paper no. 900616.
Powell, J. D., 1993, “A Review of IC-Engine Models for Control System Design,” Proc. 12th IFAC World Congress.
Kiencke, U., and Nielsen, L., 2000, Automotive Control Systems, Springer-Verlag, Berlin.
Guzzella,  L., and Amstutz,  A., 1998, “CAE-Tools for Quasistatic Modeling and Optimization of Hybrid Powertrains,” IEEE Trans. Veh. Technol., 48(6), 1762–1769.
Vidyasagar, M., 1978, Nonlinear Systems Analysis, Prentice-Hall, New Jersey.
Heywood, J. B., 1988, Internal Combustion Engine Fundamentals, McGraw-Hill, New York.

Figures

Grahic Jump Location
Relevant parts of the engine system
Grahic Jump Location
Time constants of the linearized manifold dynamics for varying operating points
Grahic Jump Location
Comparison of the nonlinear (black) and linearized (gray) system response to a large input step at t=t*

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