Results 11 to 20 of about 1,725,925 (401)

Design and Control of a Linear Rotary Electro-Hydraulic Servo Drive Unit [PDF]

open access: goldApplied Sciences, 2023
In this paper, a new solution for an electro-hydraulic servo drive is proposed, which consists of two electro-hydraulic servo drives: one with a hydraulic cylinder and one with a hydraulic rotary motor.
Andrzej Milecki   +2 more
doaj   +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   +2 more sources

Active Hydraulic Oil Pressure Measurement System as a Source of Information About the Technical Condition of the Aircraft Hydrostatic Drive [PDF]

open access: yesSensors
Current methods for assessing the technical condition of aircraft hydrostatic drives require disassembly of the hydraulic components and their testing on test stands.
Leszek Ułanowicz
doaj   +2 more sources

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

Reducing the net torque and flow ripple effects of multiple hydraulic piston motor drives [PDF]

open access: green, 1992
The torque and flow ripple effects which result when multiple hydraulic motors are used to drive a single motion of a mechanical device can significantly affect the way in which the device performs.
Randy Bartos
openalex   +2 more sources

Design, simulation, and experimental study of hydrostatic drive system for wide-span farming platform. [PDF]

open access: yesPLoS ONE
A versatile, robotic, and multi-functional wide-span farming platform, commonly known as a gantry tractor, can reduce soil compaction and enhance field production efficiency.
Jiaxiang Ma   +4 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

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

Hydrodynamic Processes in Angular Fitting Connections of a Transport Machine’s Hydraulic Drive

open access: yesMachines, 2023
The article presents the theoretical research on hydraulic processes occurring in hydraulic drives of transport machines. The research analysed the influence of hydrodynamic processes on the fluid flow characteristics following installation of angular ...
M. Karpenko   +5 more
semanticscholar   +1 more source

Leveraging Additive Manufacturing and Reverse Engineering for Circular Economy-Driven Remanufacturing of Hydraulic Drive System Components

open access: yesApplied Sciences, 2023
In response to the imperative of sustainability and resource efficiency, this article introduces an innovative framework for the remanufacture of hydraulic drive system components, firmly rooted in the tenets of the circular economy.
A. Chiriță   +4 more
semanticscholar   +1 more source

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