Results 31 to 40 of about 1,534,066 (401)

Research on high-pressure hose with repairing fitting and influence on energy parameter of the hydraulic drive

open access: yesEksploatacja i Niezawodnosc - Maintenance and Reliability, 2021
Reliability and maintenance analysis of transport machines hydraulic drives, basically focused to power units: pumps, cylinders etc., without taking in to account junction elements.
M. Karpenko   +2 more
semanticscholar   +1 more source

Review of Recent Advances in the Drive Method of Hydraulic Control Valve

open access: yesProcesses, 2023
Hydraulic control valves are widely used in industrial production, agricultural equipment, construction machinery, and other large power equipment for controlling the pressure and flow of fluids in hydraulic systems.
Yanchao Li   +4 more
semanticscholar   +1 more source

Improving the efficiency of manipulator-type machines with an improved hydraulic drive

open access: yesIOP Conference Series: Earth and Environment, 2021
The article considers the possibility of increasing the efficiency of manipulator-type machines when harvesting wood by increasing the productivity, energy efficiency and reliability of the hydraulic equipment used.
I. Chetverikova, P. Popikov, S. Glushkov
semanticscholar   +1 more source

MATHEMATICAL MODELING OF THE HYDRAULIC DRIVE OF THE SECTIONS OF A WIDE-COLLECTING CULTIVATOR WITH SEQUENTIAL ACTIVATION OF HYDRAULIC CYLINDERS

open access: yesENGINEERING, ENERGY, TRANSPORT AIC, 2021
The publication discusses the issues of mathematical modeling of dynamic processes occurring in a complex hydromechanical system of the hydraulic drive of the wide-cut cultivator sections with consistent wear of the hydraulic cylinders.
S. Shargorodskiy   +2 more
semanticscholar   +1 more source

Minimization of Degradation of Rheological and Tribological Properties of Hydraulic Fluids in Forced Modes

open access: yesМеханика машин, механизмов и материалов, 2023
During operation of the drive, the working fluid is exposed to various physical factors of operational and functional nature. At the same time, fluids lose their properties, degrade. This leads to a decrease in productivity and an increase in wear of the
Andrey V. Puzanov, Sergey A. Kurdubanov
doaj   +1 more source

Mathematical modelling of the hydromechanical drive of the test bench for plunger hydraulic cylinders with energy recovery

open access: yesE3S Web of Conferences, 2023
Reliability is a significant parameter of machines, mechanisms, drives, technological equipment and its component parts, including hydraulic motors. Reliability is checked and confirmed by carrying out resource tests, the results of which reveal the ...
A. Rybak   +7 more
semanticscholar   +1 more source

Determination of Nominal Dimensions and Permissible Variations in Dimensions of Critical Parts of Foreign Machinery Units

open access: yesИнженерные технологии и системы, 2022
Introduction. Developing and adapting domestic technologies aimed at the maintenance and repair of foreign equipment is impossible without design documentation.
Pavel A. Ionov   +4 more
doaj   +1 more source

Evaluating the relationship of parameters hydraulic impact device and its drive [PDF]

open access: yesНаучно-технический вестник Брянского государственного университета, 2020
The article deals with some questions about the influence of drive parameters on the characteristics of hydraulic shock devices, noted during the analysis of the results of mathematical modeling. Using mathematical modeling, numerical experiments were
Volkov N.N.   +4 more
doaj   +1 more source

Speed Control Method for the Working Shaft of the Complex Hydraulic Drive System Based on IFE-WOA Improved Fuzzy PID Controller

open access: yesApplied Artificial Intelligence, 2023
The precise control of a complex hydraulic drive system, which is mostly dependent on the speed control of the system working shaft, contributes to an improvement in product quality.
Feng He, Yuwei Dong, Bo Hu
doaj   +1 more source

Mathematical model of position hydraulic drive

open access: yesВестник СибАДИ, 2017
The article presents a mathematical model of the position hydraulic drive, including a feedback loop rotary cylinder. A design scheme, compiled on the basis of the concept developed by the hydraulic circuit of hydraulic drive position, as well as the ...
A. V. Zhdanov
doaj   +1 more source

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