Offline calibration- Simulation of engine control functions

Examensarbete för masterexamen

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Type: Examensarbete för masterexamen
Master Thesis
Title: Offline calibration- Simulation of engine control functions
Authors: Wangnick, Annika
Abstract: The task was to develop a program with an intuitive graphical user interphase in Mathworks MATLAB/SIMULINK for simulation and offline calibration of engine control functions. In this study first the needs and the possibilities for simulation based offline calibration in engine calibration department at Mercedes-AMG GmbH were investigated. Main goal was to develop a program that fulfils all requirements of the engineers. Demands on a simulation and offline calibration program were collected and accordingly a versatile program named “KamiKatze” (Kalibrationsmethodik und analytisches Tool zur Effizienzsteigerung) was developed in Mathworks MATLAB. The market research showed that the demand to edit the control function algorithm cannot yet be fulfilled by the purchasable tools. Therefore one major requirement on the new program is to work with a self-build SIMULINK model, what allows modifications and tests of functional changes. The ability to simulate different algorithms together with calibration sets and measurement data will be the unique characteristics of the in house developed program. In Mathworks SIMULINK an engine control function was modelled. The simulations, the data processing/management and the graphical evaluation will be done in the advanced graphical user interface of “KamiKatze”. The program is compatible with every SIMULINK Modell which follows few conventions. That means every openloop engine control function can be simulated and calibrated offline. Extended use would allow for major time- and cost savings during the calibration process. To ease future modelling and ensure their compatibility a modelling-guide and a library of common used blocks is developed together with “KamiKatze” and the first modelled engine control function.
Keywords: Maskinteknik;Farkostteknik;Innovation och entreprenörskap (nyttiggörande);Transport;Mechanical Engineering;Vehicle Engineering;Innovation & Entrepreneurship;Transport
Issue Date: 2013
Publisher: Chalmers tekniska högskola / Institutionen för tillämpad mekanik
Chalmers University of Technology / Department of Applied Mechanics
Series/Report no.: Examensarbete - Institutionen för tillämpad mekanik, Chalmers tekniska högskola : 2013:73
Collection:Examensarbeten för masterexamen // Master Theses

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