Abstract
The method of investigation of the non-linear vibrations of the wheel vehicles with the guided cushioning system has been developed. It is based on the idea of the perturbation methods combined with the theory of special periodic Atebfunctions. All these made possible to obtain analytical relations, which describe the characteristic features of the cushioning area vibrations. These relations can be the basis for creation of the software product of the guided cushioning system with the purpose to minimize the dynamic loadings on the transported people and cargo and to increase the stability characteristics of the vehicle movement along the curvilinear areas of the bump road.
Highlights
Guided or semi-guided suspension system [1,2,3,4] has been widely used for improving of the wheel vehicle (WV)
The presented method for investigation of the WV dynamics with the non-linear cushioning system (CS) power characteristics made possible to obtain the analytical dependencies, which can be the basis for creation of the software product of the guided WV in order to: meet the ergonomic requirements related to the people transportation; minimize the dynamic loadings on the transported loads; improve the motion stability along the curvilinear areas of the bump road
As to the quantitative recommendations, resulted in the obtained data in order to meet the ergonomic requirements related to the frequency of the vertical vibrations, it is proposed, in the case of the WV movement along the sufficiently bump road, to choose the CS with the static deformation 0.2 < Tst < 0.35 m
Summary
Guided or semi-guided suspension system [1,2,3,4] has been widely used for improving of the wheel vehicle (WV)smooth movement for the last decades. The mathematical instrument for the analytical investigation of the WV dynamics under their different physical models [5,6] is developed generally for the small vibrations under linear dependence or recovering forces on the deformation of the elastic elements (tires in particular) or the damper devices deformation rate. It is necessary to investigate the relationship between the parameters v 1 and v2 for which the nonlinear suspension has similar characteristics to the linear one. The method of the analytical investigations of the non-linear elastic forces of absorbers on vertical rolling vibrations and stability of the vehicle’s movement along the curvilinear parts of the road has been developed only for the simplest physical and corresponding non-linear mathematical models of the WV dynamics [7, 10,11,12]. That suspension is more comfortable for transportation of dangerous goods and passengers
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