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The coefficient of efficiency of hydraulic circuits [PDF]

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2017
Moving liquids by industrial and domestic hydraulic circuits annually requires tens of billions of kilowatts of electricity per hour. Today there is not any universal indicator that would characterize generalized conversion efficiency of electrical ...
Butenko Olexandr G.
doaj   +2 more sources

Flexible electro-hydraulic power chips [PDF]

open access: yesNature Communications
Emerging soft systems, including soft robots or wearable devices, actuated by fluidic means facilitate a series of inherent benefits, including safe human-robot interactions, lower costs, and adaptability in geometry for manipulating delicate objects ...
Chao Zhang   +9 more
doaj   +2 more sources

Analysis and Countermeasures of Abnormal Operation of Unloading Circuit [PDF]

open access: yesE3S Web of Conferences, 2021
Taking the two position two way valve unloading circuit, accumulator unloading circuit, double pump unloading circuit, liquid control sequence valve unloading circuit as examples, the paper analyses the reason of abnormal operation of several hydraulic ...
Mei Xue, Huili Lin, Xiaoli Zheng
doaj   +1 more source

Influence of the excavator hydraulic system efficiency on the productivity

open access: yesResearch in Agricultural Engineering, 2023
This paper presents the experimental research of factors influencing the UDS 214 excavator efficiency. The hydraulic oil flow rate is measured in hydraulic circuits for controlling the moving of the bucket of the UDS 214 ex­cavator.
Michal Jůza, Petr Heřmánek
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
  +6 more sources

Design, Simulation, and Experimental Study on the Hydraulic Drive System of an AUV Docking Device with Multi-Degree Freedom

open access: yesJournal of Marine Science and Engineering, 2022
AUV docking devices have the ability to achieve homing of the AUV, supply the AUV with energy, and exchange data with it, thus improving the endurance and ensuring the continuous long-term and large-scale operation of the AUV.
Xiaofei Du   +3 more
doaj   +1 more source

Design of the measuring device of the agricultural tractor´s external hydraulic circuit [PDF]

open access: yesMATEC Web of Conferences, 2021
The main goal of the presented paper was to design the measuring device of the external hydraulic circuit of the agricultural tractor, with the implementation of verification measurement and functionality of the device.
Jablonický Juraj   +5 more
doaj   +1 more source

Simulation Analysis of Working Circuit Performance of Mountain Pepper Harvester Based on Improved Load-Sensitive System

open access: yesApplied Sciences, 2023
China’s Guizhou is a typical karst landscape province with high production of chili pepper, but it is mostly planted in mountainous areas, while manual harvesting of chili pepper has the deficiencies of high labor intensity, low efficiency, and high ...
Di Wu   +5 more
doaj   +1 more source

Description of Pressure-Multiplying Efficiency Model Creation Used for Pressure Intensifiers Based on Rotary Flow Dividers

open access: yesEnergies, 2023
Pressure intensifiers have their utilization in hydraulic circuits, when there is a need for pressure multiplication for some period of time. Using intensifiers provides energy savings, cost reductions or smaller dimensioning.
Jakub Milan Hradecký
doaj   +1 more source

A study on stabilization of operation time for hydraulic operating circuit breaker (Stability of hydraulic operation stabilizing system holding constant high pressure)

open access: yesNihon Kikai Gakkai ronbunshu, 2016
Stability of a hydraulic operation stabilization system during valve returning motion was investigated by the measurement and numerical analysis of the hydraulic circuit.
Tohru YAMASHITA   +4 more
doaj   +1 more source

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