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  • Modeling and simulation of off - road vehicle with four wheel steering (4 WS)
    Pehan, Stanislav ...
    This paper presents early development of the special four wheels driven vehicle intended for use in rough off road conditions. Especially attention is focused on the development of the steering and ... suspension system that should fulfill pretentious requirements about the stability, safety and maneuvering ability. In the first chapter the constitution of the check list is presented. The advantages and disadvantages of some classics steering and suspension design are discussed. To fulfill the requirements from the check list as better as much the new design of both mentioned systems are proposed. In the followings chapters the analytics and computer modeling including the simulation of the vehicle equipped with improved new suspension and steering is done by considered two main regimes. First regime takes into account the vehicle traveled at low speed and second at higher speed. Few chosen suspension and steering systems are analyzed onto the very details in order to find out the optimal design of it. Afterwards the results of computer kinematics simulation are accomplished and detailed discussed in order to precisely point out the influence of turning radius in maneuvering ability. Finally it is clearly shown how the vehicle behavior at low speed regimes is limited by the cornering radius in dependence of terrain roughness. It is also clearly demonstrated how at higher speed regimes stability conditions are decisional. On the basis of the presented investigation the new special mechanical steering system is proposed that on the one hand ensure quite good driving characteristics of the treated vehicle that includes good maneuvering at low speed and on the other hand this design ensure satisfactory stability at higher speeds. Achieved results that are presented in the last chapter may in general help the designer of modern vehicles equipped with all wheels drive.
    Vir: Proceedings (Str. 77-83)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2011
    Jezik - angleški
    COBISS.SI-ID - 15606038

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