Application of multibody simulation for semitrailer optimization

• Autorzy: Korta J. , Martowicz A. , Gallina A. , Uhl T.
• Języki publikacji: EN

Abstrakty

EN

This paper presents an approach of optimization of a truck semitrailer suspension system, with utilization of multibody model; its purpose was to find the best values of operational parameters: stiffness and damping factors, in order to minimize the disadvantageous influence of force distribution in the high risk areas, where preceding strength analysis has pointed out dangerous load values. The model contains elements of two different types: flexible and rigid bodies, in purpose of increasing the accuracy level of conducted numerical calculations. A number of simulations with different parameters and under different load cases have been carried out, combined with a parametric and structural sensitivity analysis, what has enabled an estimation of individual factors influencing particular forces that have been the objectives of optimization procedure. The stiffness and damping coefficients of the construction suspension system have been adjusted by applying metamodeling techniques. Basing on the chosen design of experiment results, this procedure allows for an approximation of the behaviour of the analysed construction in the whole design space. In this process, two different approaches have been used: Kriging and polynomial regression, and both have been compared to the simulations results. Finally, using a desirability function, the most optimal solution has been found.

Słowa kluczowe

EN

multibody dynamic system; response surface; design of experiment; sensitivity analysis

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2012
• Tom: Vol. 19, No. 1
• Strony: 171--182
• Opis fizyczny: Bibliogr. 18 poz., rys.

Twórcy

autor

Korta J.

autor

Martowicz A.

autor

Gallina A.

autor

Uhl T.

• AGH University of Science and Technology Department of Robotics and Mechatronics A. Mickiewicza Av. 30,30-059 Krakow, Poland,

Bibliografia

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