Abstract
The spatial model of an all-terrain vehicle with pneumohydraulic suspensions, which allowed executing the estimation of a vibration loading construction taking into account large motions of solid bodies, exact kinematic of suspension elements and features of their mounting on a vehicle, is built. Comparison of charts of power spectral density of vertical accelerations shows quality accordance of calculation and experimental spectra for the examined modes of motion. The built dynamic model fully satisfies the requirements of adequacy to the real object and can be used for further calculations.
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