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.<br /><p style="margin-bottom: 0.08in; line-height: 100%;" align="justify"><span style="font-family: Times New Roman,serif;"><span style="font-size: medium;"><br style="font-size: medium;" /></span></span></p>
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