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Diesel Engine Modeling for Engine Management System Development

Markus Grahn (Institutionen för signaler och system, Signalbehandling)
Göteborg : Chalmers University of Technology, 2012. - 142 s.
[Licentiatavhandling]

Due to increasingly strict emission legislation and stronger demands on fuel consumption, typical passenger car diesel engines become increasingly complex with more and more controllable systems added. These added systems open up for the possibility to operate the engine at more efficient conditions, but it also becomes more challenging to optimize the settings in the engine management system. One approach to handle this issue is to use a model-based strategy for engine management system optimization. This thesis describes the development and implementation of a complete diesel engine vehicle system simulation model intended to be used for engine management system optimization. The model can perform a simulation of a vehicle driving according to a predefined transient vehicle driving cycle, and it estimates the fuel consumption together with the NOx and soot emissions throughout the simulation depending on the settings in the engine management system. The simulation model is implemented in the Matlab Simulink environment, and the simulation time is in the range of 10 to 20 times faster than real-time.

Nyckelord: Diesel engines, Modeling, Simulation, Optimization, Engine control, Engine management system, Emissions



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Denna post skapades 2012-05-21. Senast ändrad 2013-01-02.
CPL Pubid: 157818

 

Institutioner (Chalmers)

Institutionen för signaler och system, Signalbehandling (1900-2017)

Ämnesområden

Energi
Transport
Datorteknik
Reglerteknik
Signalbehandling
Övrig teknisk mekanik

Chalmers infrastruktur

Relaterade publikationer

Inkluderade delarbeten:


A Diesel Engine Model for Dynamic Drive Cycle Simulations


A Structure and Calibration Method for Data-Driven Modeling of NOX and Soot Emissions from a Diesel Engine


B-splines for Diesel Engine Emission Modeling


Examination

Datum: 2012-06-11
Tid: 10:00
Lokal: EA, Hörsalsvägen 11, Chalmers University of Technology
Opponent: Doctor Johan Dahl, Volvo Group Trucks Technology

Ingår i serie

R - Department of Signals and Systems, Chalmers University of Technology R008/2012