By Giovanni Fiengo, Alessandro di Gaeta, Angelo Palladino, Visit Amazon's Veniero Giglio Page, search results, Learn about Author Central, Veniero Giglio,
Progressive mark downs in automobile emission requisites have pressured the automobile to speculate in study and improvement of other keep an eye on innovations. continuous regulate motion exerted via a committed digital regulate unit guarantees that top functionality by way of pollutant emissions and tool density is married with driveability and diagnostics. gas direct injection (GDI) engine expertise is the way to reach those objectives.
This short describes the functioning of a GDI engine outfitted with a typical rail (CR) process, and the units essential to run test-bench experiments intimately. The textual content may still turn out instructive to researchers in engine keep an eye on and scholars are prompt to this short as their first method of this know-how. Later chapters of the short relate an leading edge approach designed to help with the engine administration approach; injection strain law for gas strain stabilization within the CR gas line is proposed and tested via scan. The ensuing keep watch over scheme consists of a suggestions imperative motion and a static model-based feed-forward motion, the profits of that are scheduled as a functionality of basic plant parameters. The tuning of closed-loop functionality is supported by way of an research of the phase-margin and the sensitivity functionality. Experimental effects make sure the effectiveness of the keep watch over set of rules in regulating the mean-value rail strain independently from engine operating stipulations (engine pace and time of injection) with restricted layout effort.
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Additional info for Common Rail System for GDI Engines: Modelling, Identification, and Control
C. Hirsch, in Numerical Computation of Internal and External Flows–Computational Methods for Inviscid and Viscous Flows. Series in Numerical Methods in Engineering, vol. 2, Wiley (1998). ISBN 0-471-92452-0. html 14. L. Liung, System Identification: Theory for the User, 2nd edn. (Prentice Hall, Englewood Cliff, 1999). ISBN 0136566952 Chapter 4 Synthesis and Experimental Validation of a Fuel Injection Pressure Controller in a Common Rail System Abstract Electronics has greatly contributed to the development of internal combustion engines.
More precisely, we have observed that when the average 44 3 A Control Oriented Model of a Common Rail System Fig. 9 Validation results of common rail pressure model. a Overall of the comparison between experimental instantaneous pressure p(t) (dashed red line) and mean pressure p(t) ¯ predicted by the model (black solid line) when system is commanded with duty cycle input depicted in b and engine speed was 1000 rpm. 3 GDI Injectors Model 45 Fig. 10 Validation results of common rail pressure model.
1 Introduction The common rail injection technology has been originally introduced for diesel engines in order to achieve both the reduction of pollutant emissions enforced by international regulations and the improvement of performance required by the G. 1007/978-1-4471-4468-7_4, © The Author(s) 2013 57 58 4 Synthesis and Experimental Validation customers. e. a steel manifold where the fuel is kept at high pressure. The electronically controlled high pressure fuel injection system holds an important role concerning both the emission control strategy and the improvement of internal combustion engine performance [4, 9].
Common Rail System for GDI Engines: Modelling, Identification, and Control by Giovanni Fiengo, Alessandro di Gaeta, Angelo Palladino, Visit Amazon's Veniero Giglio Page, search results, Learn about Author Central, Veniero Giglio,