Results 1 to 10 of about 1,534,066 (401)

Design and Research on Electro-Hydraulic Drive and Energy Recovery System of the Electric Excavator Boom

open access: yesEnergies, 2022
The hydraulic accumulator has the advantages of high power density, fast response, stable operation and high cost performance. However, compared with the electric energy storage method, the hydraulic accumulator has low energy density and large pressure ...
Lin Li   +5 more
doaj   +2 more sources

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

open access: diamondAdvanced 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   +2 more sources

Robust control of hydraulic tracked vehicle drive system based on quantitative feedback theory [PDF]

open access: goldInternational Journal of Distributed Sensor Networks, 2020
To improve the control precision of the drive system of hydraulic tracked vehicles, we established a mathematical model of the drive system based on the analysis of structural characteristics of the high-clearance hydraulic tracked vehicles and the dual ...
Chenhui Zhu   +4 more
doaj   +2 more sources

CFD-Based Physical Failure Modeling of Direct-Drive Electro-Hydraulic Servo Valve Spool and Sleeve

open access: yesSensors, 2022
Direct-drive electro-hydraulic servo valves are used extensively in aerospace, military and control applications, but little research has been conducted on their service life and physical failure wear.
Guoqin Huang   +3 more
doaj   +2 more sources

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

open access: diamondMATEC 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   +2 more sources

Design of control and hydraulic drive system for high-altitude live working vehicle

open access: yesThe Journal of Engineering, 2019
This article mainly introduces the motion control system of high-altitude live working vehicle and the design of the hydraulic drive system of the trolley.
Wei Song   +3 more
doaj   +2 more sources

Improving the Efficiency of the Drive of the Test Bench of Rotary Hydraulic Machines

open access: yesActuators
Volumetric hydraulic drive systems are quite widespread in many industrial sectors. To determine the degree of reliability of hydraulic machines, it is necessary to conduct resource tests. The main requirement for such tests is the compliance of the load
Alexander Rybak   +6 more
doaj   +2 more sources

Projection of the hydraulic pressure drive with application of partial synthesis [PDF]

open access: diamondMATEC Web of Conferences, 2018
In this article “Projection of a Hydraulic Pressure Drive with Application of Partial Synthesis” for the best comprehension and also receiving more complete picture, definitions of the term projection are considered, some fields of activity in which it ...
Rybak Alexander T.   +3 more
doaj   +2 more sources

Study on oil pilot circuit of adaptive hydraulic drive of tool advance in mobile drilling machine

open access: yesAdvanced Engineering Research, 2019
Introduction. An adaptive hydraulic drive of the tool advance in a mobile drilling machine is studied on the example of the URB-2.5 installation. A typical technological cycle of the mobile drilling machine is considered; the performance criteria are ...
V. S. Sidorenko   +4 more
doaj   +2 more sources

TECHNIQUE OF FUNCTIONAL UNIFICATION OF ADAPTIVE HYDRAULIC DRIVE MODULE CAPABLE OF LOAD STABILIZATION ON THE WORKING BODY OF MOBILE MACHINES

open access: yesAdvanced Engineering Research, 2018
Introduction. Issues on the functional unification of the adaptive hydraulic  drive  module  are  studied.  For  the  first  time,  self-adapting   mechanisms   are   considered   taking   into   account adaptive intercommunication of the load control ...
V. A. Pershin, T. A. Khinikadze
doaj   +2 more sources

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