Modelling of vehicle/track/ground dynamic interaction is an important issue for railway design. Better understanding of how the moving dynamic loads are distributed through the track components to the ground can be derived from these numerical results to improve the stability of the moving train and decrease the cost of the maintenance. Nonlinear models of the ground may be required due to the ...

In this paper, a novel and complete navigation system is proposed for mobile ground vehicles in park environment. LiDAR map representation maintenance, dynamic objects detection removal, hierarchal path planning model-free local are developed the system. The formulated three layers. global layer, given point cloud of environment, traverse area detected its skeleton graph extracted to represent ...

As the U.S. Army develops its 30-year science and technology strategy for ground systems, these systems are seen more as mobile power generation systems than just semi-autonomous mobile protection systems. As ground systems continue to have greater levels of electrification, they are perceived as key to providing power not only to the propulsion and mobility systems, but to protection systems, ...