Analytical study of an improved mathematical model of the hydraulic drive of the garbage truck’s sealing plate mechanism, taking into account the wear of its hydraulic cylinder
DOI:
https://doi.org/10.31891/2079-1372-2025-118-4-62-71Keywords:
linearized mathematical model, consideration of wear, Laplace transformation, hydraulic drive, wear, hydraulic cylinder, sealing plate mechanism, garbage truck, municipal solid wasteAbstract
The article is dedicated to the analytical study of the improved mathematical model of the hydraulic drive of the garbage truck’s sealing plate mechanism, in which the influence of the wear of the hydraulic cylinder on its operation is additionally taken into account. On the basis of the numerical studies of the improved nonlinear mathematical model of the hydraulic drive of the garbage truck’s sealing plate mechanism, which takes into account the wear of the hydraulic cylinder, its linearized modification was created, presented in the form of a system of ordinary linear differential equations of the second order. To perform design calculations of new modifications of garbage trucks, approximate analytical expressions were obtained that describe the change in time of the pressure in the hydraulic cylinder’s pressure line, as well as the speed and movement of the sealing plate based on the proposed linearized mathematical model of the hydraulic drive of the garbage truck’s sealing plate mechanism, taking into account the wear of the hydraulic cylinder. The obtained regression equation that provides the possibility of an approximate determination of the duration of the process of compacting municipal solid waste in a garbage truck, taking into account the wear of the hydraulic cylinder.
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