Modeling and Validation of a Lean Burn Natural Gas Engine-Reference-Cited by-同舟云学术

Modeling and Validation of a Lean Burn Natural Gas Engine

Published:1998-05-19 Issue:3 Volume:123 Page:425-430
ISSN:0022-0434
Container-title:Journal of Dynamic Systems, Measurement, and Control
language:en
Short-container-title:

Author:

Gangopadhyay Anupam¹,Meckl Peter²

Affiliation:

1. General Motors Research & Development and Planning, 30500 Mound Road, Warren, MI 48090-9055

2. 1077 Ray W. Herrick Laboratories, Purdue University, West Lafayette, IN 47907-1077

Abstract

In this paper, a control-oriented model of a medium-duty throttle-body natural gas engine is developed. The natural gas engine uses lean-burn technology without exhaust gas recirculation (EGR). The dynamic engine model differs from models of gasoline engines by including the natural gas fuel dynamics in the intake manifold. The model is based on a mean value concept and has three state variables: intake manifold pressure, fuel fraction in the intake manifold and the engine rotational speed. The resulting model has been validated in steady-state and transient operation over the usual operating range of the engine between 800 rpm and 2600 rpm with air/fuel ratios ranging between 18.0 and 24.0.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/dynamicsystems/article-pdf/123/3/425/5505044/425_1.pdf

Reference8 articles.

1. Hundleby, G. E, 1989, “Low Emission Approaches for Heavy-duty Gas Powered Urban Vehicles,” SAE paper no. 892134.

2. Nakagawa K., Okamoto K., and Shoji Fujio, 1994, “Development of an Air/fuel ratio control system for lean burn gas engines,” SAE paper no. 942041.

3. Hendricks, E. and Sorenson, S. C., 1990, “Mean Value Modelling of Spark Ignition Engines,” SAE technical paper 900616, pp. 1–15.

4. Moskwa, J. J., and Hedrick, J. K., 1992, “Modeling and Validation of Automotive Engines for Control Algorithm Development,” ASME J. Dyn. Syst., Meas., Control, 114, June, pp. 278–285.

5. Dobner, D. J. and Fruechte, R. D., 1983, “An Engine Model for Dynamic Engine Control Development,” Proceedings of the American Control Conference, San Francisco, CA, June, pp. 73–78.

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