Using Modelling and Simulation to Predict Dynamics of Converted Ground Vehicle

Nabil Khettou; Dragan Trifkovic; Slavko Muzdeka

doi:10.14429/dsj.66.9783

Nabil Khettou Military Academy, University of Defence in Belgrade, Serbia
Dragan Trifkovic Military Academy, University of Defence in Belgrade, Serbia
Slavko Muzdeka Military Academy, University of Defence in Belgrade, Serbia

DOI: https://doi.org/10.14429/dsj.66.9783

Keywords: Computer modelling, model validation, field testing, vehicle dynamic, vehicle conversion

Abstract

In order to redesign and convert the passenger ground vehicle Land Rover defender 110 into military vehicle for different surveillance and reconnaissance missions it is necessary, prior to equipment integration, to assess its future dynamic response. For this purpose, the 19-degree of freedom multibody simulation model of the defender was developed using the software package MSC.ADAMS/Car. The simulation model was validated using the instrumented experimental vehicle for two scenarios namely bump test and double lane change manoeuver. Comparison of numerical predictions suggests reasonably good agreement with the actual vehicle responses. The validated model was then used to assess the effect of longitudinal and vertical position of the added equipment on the responses of the upgraded vehicle. Lateral stability degradation due to the added equipment was also investigated defining the rollover threshold as an objective assessment criterion. The obtained results show considerable lateral stability degradation for both marching and operating heights of the added equipment.

Author Biographies

Nabil Khettou, Military Academy, University of Defence in Belgrade, Serbia

Mr Khettou Nabil is currently pursuing his PhD in the field of motor vehicles in the Military Academy, University of Defense in Belgrade, Serbia. He contributed to the work by collecting data, building the model and defining the appropriate tests. He designed the content and wrote the paper.

Dragan Trifkovic, Military Academy, University of Defence in Belgrade, Serbia

Prof. Dragan Trifkovic has received his MSc and PhD in Mechanical Vibrations from the Faculty of Mechanical Engineering, University in Belgrade, Serbia. He works as assistant professor at the Military Academy, University of Defense in Belgrade, Serbia. His research area includes : Mechanical vibrations, structural mechanics and failure analysis.
He contributed to the work by supervising the research, discussing the results and drawing conclusions.

Slavko Muzdeka, Military Academy, University of Defence in Belgrade, Serbia

Prof. Slavko Muzdeka is an associate professor at the Department of Military Mechanical Engineering, Military Academy, University of Defense in Belgrade, Serbia. He contributed as author and co-author in 10 monographs, books, textbooks, published 30 scientific works and participated in the implantation of 4 scientific projects in the field of motor vehicles. Member of the Serbian Society of Motors and Vehicles.
His main contribution was in the definition, implementation and the supervising of the experimental tests as well as the analysis of the experimental data.