Results 11 to 20 of about 169,803 (308)

Research on the Optimal Selection of Coating for the Friction Pair of Hydraulic Cylinder for Control Rod Hydraulic Drive Mechanism [PDF]

open access: yesCailiao Baohu, 2023
According to the use requirements of the control rod hydraulic drive mechanism,aiming at solving the radioactive problem caused by the use of material containing cobalt element (Co) as the adhesive of the tungsten carbide (WC) coating of the outer casing
SHI Yong, CHEN Bao, BO Han-liang
doaj   +1 more source

Hydraulic Switching Control Supplementing Speed Variable Hydraulic Drives [PDF]

open access: yesActuators, 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
openaire   +2 more sources

Providing adaptive properties of the drive of a rotary drilling machine [PDF]

open access: yesMATEC 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
doaj   +1 more source

Pressure optimization for hydraulic-electric hybrid biped robot power unit based on genetic algorithm

open access: yesScientific 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
doaj   +1 more source

Adaptive hydraulic drive with delivery tool-feed control of production machine

open access: yesAdvanced 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
doaj   +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

Stabilization device for hydraulic drive of an electric generator on a vehicle [PDF]

open access: yesMATEC Web of Conferences, 2019
The paper considers the design of a hydraulic drive of an additional electric generator installed on a car, which should provide stable electrical power to consumers with standard parameters (voltage 220 (380) V, frequency 50 Hz). To solve this problem a
Lepeshkin Alexander   +2 more
doaj   +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

Improving the efficiency of a hydraulic drive with a closed-loop hydraulic circuit

open access: yesJournal 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
openaire   +3 more sources

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

Home - About - Disclaimer - Privacy