Results 11 to 20 of about 19,072 (302)
Improving the efficiency of a hydraulic drive with a closed-loop hydraulic circuit [PDF]
Journal of Physics: Conference Series, 2020 Abstract While developing the Arctic territories, the use of mechanical equipment, adapted to work at low temperatures, is required. The power element of hydraulic machines is a hydraulic fluid, which, under different ambient conditions, changes the viscosity-temperature properties.
R T Emelyanov +4 more
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Modeling of Hydraulic Load of Electric Drive in Electrical Complex of Pumping Station [PDF]
Energy Engineering and Control Systems, 2018 The paper analyses the contemporary state of the electric drive hydraulic load modelling in the pumping stations’ electrotechnical complex applications. It was found that in the vast majority of cases, mathematical models do not allow taking into account
Vladyslav Lysiak +2 more
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Adaptive hydraulic drive with delivery tool-feed control of production machine [PDF]
Advanced Engineering Research, 2017 Introduction. The development of the adaptive hydraulic drive with the volumetric tool-feeding speed control of the production machines using the example of the portable URB-2.5 drilling unit is considered.
Valentin S. Sidorenko +3 more
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Energy Efficiency Analysis of Hydraulic Excavators’ Swing Drive Transmission [PDF]
MachinesThe paper provides an analysis of the energy efficiency of the swing drive system of hydraulic excavators, which integrally includes a hydraulic motor and a planetary reducer.
Vesna Jovanović +4 more
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TRACKING CONTROL FOR A HYDRAULIC DRIVE WITH A PRESSURE COMPENSATOR [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2015 A problem of tracking control is considered for a hydraulic drive with a pressure compensator that is widespread in the equipment of heavy-duty machines. Method.
S. V. Aranovskiy +2 more
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Modeling of dynamic characteristics for hydraulic drive under nonstationary load [PDF]
E3S Web of ConferencesThe methodology for estimating the transient response and frequency characteristics for volumetric hydraulic drive under nonstationary load is proposed.
Sokolov Vladimir, Krol Oleg
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Hydraulic Switching Control Supplementing Speed Variable Hydraulic Drives [PDF]
Actuators, 2020 Primary control of linear motion by variable speed electric motors driving a hydraulic cylinder via a constant displacement pump is an established and successful concept with a frequent use in industry. One problem arises when low or zero motion speed has to be realized under high pump pressure conditions.
Philipp Zagar +3 more
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Providing adaptive properties of the drive of a rotary drilling machine [PDF]
MATEC Web of Conferences, 2020 The article is devoted to the issue of automatic adjustment of the drilling machine to operating modes close to optimal. Information about the method of automatic control of the rotational drilling process is provided.
Lemesko Mikhail +2 more
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Scientific Reports, 2023 Biped robots have attracted increasing attention because of their flexible movement and strong adaptability to the surroundings. However, the small output torque and the weak impact resistance of the motor drive, as well as the large energy consumption ...
Pengyu Zhao +3 more
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Механика 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
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