Results 21 to 30 of about 545,828 (225)

Design and Performance Evaluation of an Electro-Hydraulic Camless Engine Valve Actuator for Future Vehicle Applications [PDF]

open access: yesSensors, 2017
This paper details the new design and dynamic simulation of an electro-hydraulic camless engine valve actuator (EH-CEVA) and experimental verification with lift position sensors.
Kanghyun Nam   +3 more
doaj   +2 more sources

Research on Semi-physical Simulation and Test Platform for Electro-hydraulic Steering System of Autonomous-rail Rapid Tram

open access: yesKongzhi Yu Xinxi Jishu, 2023
Aiming at the shortage of experimental resources and the difficulties in the on-site debug of the electro-hydraulic steering system, a set of semi-physical simulation platform, based on mathematic model of electro-hydraulic steering system, is developed.
HUANG Song   +6 more
doaj   +3 more sources

Research on Electro-Hydraulic Servo Resonance Technology. [PDF]

open access: yesSensors (Basel)
In this paper, an electro-hydraulic servo resonance technology is proposed to meet the loading requirements of a high-frequency sound fatigue test for large tonnage.
Yang X, Liu P, Zhao H.
europepmc   +2 more sources

Research and Development of Electro-hydraulic Control Valves Oriented to Industry 4.0: A Review

open access: yesChinese Journal of Mechanical Engineering, 2020
Electro-hydraulic control valves are key hydraulic components for industrial applications and aerospace, which controls electro-hydraulic motion. With the development of automation, digital technology, and communication technology, electro-hydraulic ...
Bing Xu   +4 more
doaj   +1 more source

A Smart Fluid-Hydraulic System Based on MRF Valve Control and Its Application in Flexible Grasping. [PDF]

open access: yesAdv Sci (Weinh)
This study introduces a smart fluid hydraulic system using MRF valve control for flexible gripping. An MRF‐MSV with an integrated excitation coil and micro‐textured damping channels is designed and validated; micro‐texturing increases hydraulic resistance. Coupled with a soft actuator, the MRF‐MSV enables dynamic bending and grasping.
Huo L, Ji H, Hong R, Nie S, Yin F, Ma Z.
europepmc   +2 more sources

Physical modelling and analysis of electro-hydraulic position servo systems for single rod hydraulic cylinders [PDF]

open access: yesZhihui kongzhi yu fangzhen, 2023
The electro-hydraulic position servo system of a single rod hydraulic cylinder is used in a large number of engineering applications due to its compact structure, but due to its asymmetric structure and complex mathematical model, many factors cannot be ...
ZHANG Yizhe, LI Yuesong, LI Geqiang, LI Guifei, WANG Bang
doaj   +1 more source

Conservation Integrals in Nonhomogeneous Materials with Flexoelectricity

open access: yesApplied Sciences, 2021
The flexoelectricity, which is a new electromechanical coupling phenomenon between strain gradients and electric polarization, has a great influence on the fracture analysis of flexoelectric solids due to the large gradients near the cracks. On the other
Pengfei Yu, Weifeng Leng, Yaohong Suo
doaj   +1 more source

Electro-osmotic consolidation of soil with variable compressibility, hydraulic conductivity and electro-osmosis conductivity [PDF]

open access: yes, 2017
In present study, the non-linear variations of soil compressibility, hydraulic and electro-osmosis conductivities were analyzed through laboratory experiments, and incorporated in a one-dimensional model.
漆文刚   +4 more
core   +1 more source

Methodology for Dimensioning of Integrated Electro-Hydraulic Machines

open access: yes, 2023
Electro-hydraulic machines can be an enabler for increased efficiency of mobile working machinery, as they allow energy recuperation and can help to avoid valve throttling losses in pump-controlled systems. The electro-hydraulic machines can also be used
West, Martin   +3 more
core   +3 more sources

Review on Inlet/Outlet Oil Coordinated Control for Electro-Hydraulic Power Mechanism under Sustained Negative Load

open access: yesApplied Sciences, 2018
Speed control and smooth regulation in an electro-hydraulic motion control system under negative load (over-running load) are crucial to mobile machineries, vehicles, and motion simulation equipment.
Wei Liu, Yunhua Li, Dong Li
doaj   +1 more source

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