Results 21 to 30 of about 1,725,925 (401)
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
openaire +2 more sources
Applied Sciences, 2023 An electro-hydraulic profiling mechanism has been gradually applied to provide suitable downforce for a no-till row unit and to ensure the consistency of the seed sowing depth.
Liming Zhou +8 more
semanticscholar +1 more source
Geofluids, 2022 Hydraulic top drive is the main power component used to drive drilling tools rotating to drill a hole for drilling rigs. Its main transmission system was built with hydraulic power source and hydraulic actuators.
Yuanling Shi, Pingsong Zhang
doaj +1 more source
Petroleum Exploration and Development, 2022 Focusing on the extending length restriction of the completion screen pipe resistance running into ultra-short radius horizontal well, this paper proposed technology of hydraulic drive completion tubular string running into ultra-short radius horizontal ...
Yansen BI +3 more
doaj +1 more source
Structural optimization of the hydraulic drive of a mobile transport and reloading rope complex based on pareto-optimal solutions [PDF]
Научно-технический вестник Брянского государственного университета, 2020 The article proposes a method of structural optimization of the hydraulic drive of mobile transport and reloading rope complexes based on special multi-axle chassis with increased carrying capacity and cross-country ability.
Tarichko V.I.
doaj +1 more source
Research on the Optimal Selection of Coating for the Friction Pair of Hydraulic Cylinder for Control Rod Hydraulic Drive Mechanism [PDF]
Cailiao 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
Dynamic Processes Modeling in a Peristaltic Pump with a Hydraulic Drive for the Bingham Fluid
Advances in Science and Technology Research Journal, 2022 Problem. At present, peristaltic pumps are widely used in construction, chemical production, mining industry, processing plants, food processing industry, etc.
Olha Dvirna +4 more
semanticscholar +1 more source
The Influence of Wave Processes of Hydraulic Oils on the Operation of a Hydraulic Drive
Agricultural Engineering, 2022 The paper reviews the state of research of wave processes in hydraulic systems of machines, and their impact on the quality and stability of hydraulic drives.
Iryna Hunko +6 more
semanticscholar +1 more source
RESEARCH OF HYDRAULIC DRIVE VALVES TIMING
Vestnik of Kazan state agrarin university, 2022 Improving the characteristics of the internal combustion engine of an agricultural vehicle is possible by using a hydraulic actuator of the electronically controlled gas distribution valves.
Максимов +3 more
semanticscholar +1 more source
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
doaj +1 more source