A Theoretical Control Strategy for a Diesel Engine

[+] Author and Article Information
R. Outbib, X. Dovifaaz

 UTBM-L2ES, 90010 Belfort Cedex, France

A. Rachid

 UPJV, 7, rue Moulin Neuf, 80000 Amiens, France

M. Ouladsine

LSIS, IUSPIM, Av de l’Escadrille Normandie-Niemen, 13013 Marseille, France

A part of parameters have been identified using experimental data have been collected on a BMW 524 TD with a 2443cm3 diesel engine.

J. Dyn. Sys., Meas., Control 128(2), 453-457 (Mar 14, 2005) (5 pages) doi:10.1115/1.2196422 History: Received November 06, 2003; Revised March 14, 2005

In this paper we present a theoretical strategy for diesel engine control. More precisely, we propose a new approach to control the speed of the engine using the fuel rate as the control law and we show how this approach can be used to control the opacity. We first establish a mathematical model that describes the behavior of the engine. Afterward, we propose a new nonlinear method to design a controller for a class of nonlinear systems. The proposed method, based on Lyapunov theory, is used to design a smooth feedback law that renders the closed-loop system asymptotically stable around a desired engine speed value. Finally, simulation results are proposed to highlight the performances of the closed-loop system.

Copyright © 2006 by American Society of Mechanical Engineers
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Figure 1

Diesel engine diagram

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Figure 2

Engine speed and load torque

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Figure 5

Compressor air flow




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