Utilization of multibody modelling for design of characteristics of air pressure controlled hydraulic shock absorbers in the SOR intercity bus

Abstract eng:
The air pressure controlled shock absorber of axles air suspension is capable of changing its damping force in dependence on air pressure in air springs. In order to improve dynamic properties of all vehicles that use the axles air suspension, BRANO a.s., the Czech producer of shock absorbers, started to develop air pressure controlled hydraulic telescopic shock absorbers of axles air suspension. The SOR C 12 intercity bus is the reference vehicle, for which research and development of controlled shock absorbers is done and on which the shock absorbers are verified. Force-velocity characteristics of controlled shock absorbers were designed on the basis of results of computer simulations with the bus multibody models created in the alaska simulation toolbox.

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