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Methodology for modeling, parameter estimation and validation of powertrain torsional vibration
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
2013 (English)In: The 54th SIMS conference on Simulation and Modelling, 2013Conference paper (Refereed)
Abstract [en]

A vehicular powertrain is a lightly damped dynamic system that transfers the engine torque to the driving wheels through a number of inertias and elastic elements. Therefore, it is prone to vibrate and emit noise when disturbances are applied. Providing a methodology, for powertrain vibration modeling and simulation, is one of the key steps in various research topics in the field of automobile engineering. Verification of the engine crankshaft torsion and vibration model, as a subsystem of the powertrain, is proposed in this paper. This is achieved by constructing a rotational multi-body system in MATLAB and utilizing nonlinear least squares method for estimation of the model parameters. The simulated engine angular velocity is compared to the measured data, from a car, which shows a good agreement.

Place, publisher, year, edition, pages
2013.
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:liu:diva-137728OAI: oai:DiVA.org:liu-137728DiVA: diva2:1105243
Conference
The 54th SIMS conference on Simulation and Modelling, Bergen, Norway, October 16-18, 2013
Available from: 2017-06-02 Created: 2017-06-02 Last updated: 2017-06-02

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