The (Extended) Kalman filter has been established as a standard method for object tracking. While a constraining motion model stabilizes the tracking results given noisy measurements, it limits the ability to follow an object in non-modeled maneuvers. In the context of a stereo-vision based vehicle tracking approach, we propose and compare three different strategies to automatically adapt the d...

A wheeled mobile robot is here modelled as a planar rigid body that rides on an arbitrary number of wheels. The relationship between the rigid body motion of the robot and the steering and drive rates of wheels is developed. In particular, conditions are obtained that guarantee that rolling without skidding or sliding can occur. Explicit differential equations are derived to describe the rigid ...

hyrcanian (caspian) forest in northern iran with many endemic and endangered species is a rich area for biodiversity. the use of ground-based skidding is well accepted practice for the extraction of timber from the forest, but this has tended to cause the greatest environmental problems. the aim of the study was to evaluate and comparison of environmental impacts, residual stand damage, regener...

In the article results of research work mine electric locomotive are driven on condition stability system "A wheel is a rail" coupling wheels with rails. It marked that transport conditioned by row specific terms. indicated for realization electromechanics systems locomotives structures used hauling engines direct and variable current. During working as an important question there Investigation...

Heavy aircraft main landing gear tyres skid immediately after touchdown as result of the high slip ratio between the tyres and runway, which lead to tyre wear and smoke. In this paper, the tyre wear is modelled on the Archard theory using ANSYS mechanical transient, to reveal the wheel’s dynamic and the tyre tread wear. The wheel’s dynamic and the amount of wear are calculated for initially sta...

Needle litter decomposition rate and nutrient releases of pure stands black pine Scots under the three different micro-ecologic sites (skidding road, logging residues mineral topsoil) control site (non-harvesting site) were studied. The needle litters Black initially analysed for total carbon concentrations (N, P, K, Ca, S, Mg, Mn, Fe). experiment using litterbags method was carried out in fiel...

BACKGROUND: At considering the issues of crawler tractors interaction with soil determining factor is time-varying impact loads on layer, its stressed and strained state, which, in turn, directly depends stress-strain properties. The properties assessment should be carried out a rheological approach, which allows to explain many phenomena processes develop new high technologies terms criterion ...