Results 11 to 20 of about 718,973 (279)

Electro-hydraulic generator of vibrations [PDF]

open access: yesTechnology and Technique of Typography (Tekhnolohiia i Tekhnika Drukarstva), 2010
Приведені результати експериментального дослідження двоканального електрогідравлічного генератора коливань. Показано, що у всьому діапазоні частот поршень гідравлічної коливальної системи здійснює стійкі коливальні рухи завдяки введенню в структуру ...
Eliseev, Ju. V.   +7 more
core   +2 more sources

Experimental Verification of An Electro-Hydraulic Actuation System Driven by An Integrated Electro-Hydraulic Unit

open access: yesInternational Journal of Fluid Power, 2023
This paper proposes an electro-hydraulic actuator (EHA) system, and a novel-designed electro-hydraulic unit (EHU) consisting of a fixed-displacement hydraulic gear machine and a variable-speed electric machine. The novel EHU design integrates an electric
Shaoyang Qu   +4 more
semanticscholar   +2 more sources

Fault-tolerant control for an electro-hydraulic servo system with sensor fault compensation and disturbance rejection

open access: yesNonlinear dynamics, 2023
The electro-hydraulic servo system (EHSS) usually faces multiple sensor faults and disturbances, which is difficult to achieve good tracking control, reliability, and stability control.
V. Phan, K. Ahn
semanticscholar   +1 more source

Electro-hydraulic SWOT-analysis on electro-hydraulic drives in construction machinery

open access: yesVolume 3 - Conference, 2020
This paper discusses the potential of centralized or decentralized electro-hydraulic (EH)-drives in comparison to conventional hydraulic systems. The systems are presented in diagrams covering the major electric and hydraulic components for an exemplary application, but also include specific technical data like the sizing of the components according to
Inderelst, Martin   +2 more
openaire   +3 more sources

Neural network-based finite-time command-filtered adaptive backstepping control of electro-hydraulic servo system with a three-stage valve.

open access: yesISA transactions, 2023
This paper aims to improve the tracking control performance of the three-stage valve (TSV) controlled electro-hydraulic servo system (EHSS) with parameter uncertainties and other lumped unknown nonlinearities, including unknown dynamics and disturbances.
Shanshuai Niu   +3 more
semanticscholar   +1 more source

Early Fault Symptom Diagnosis of Aircraft Electro-hydraulic Servo Valve

open access: yesHangkong gongcheng jinzhan, 2020
Electro-hydraulic servo valve is an important part of aircraft brake system, which affects the safety of aircraft landing. In order to solve the problem of frequent failure of a certain type of electro-hydraulic servo valve, a model of electro-hydraulic ...
JIN Guotao
doaj   +1 more source

Design and Analysis of Electro-Hydraulic Servo System for Speed Control of Hydraulic Motor

open access: yesJurnal Engineering, 2023
In this study, the electro-hydraulic servo system for speed control of fixed displacement hydraulic motor using proportional valve and (PID) controller is investigated theoretically ,experimentally and simulation .
A. Abdul   +3 more
semanticscholar   +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

Parameter Adaptive Sliding Mode Force Control for Aerospace Electro-Hydraulic Load Simulator

open access: yesAerospace, 2023
The aerospace electro-hydraulic servo simulator is used to simulate the air load received during flight, and is used for the performance test and acceptance test of aerospace servo actuators on the ground. The force loading accuracy of the load simulator
Jing Huang   +5 more
semanticscholar   +1 more source

Analysis of Concentration Polarisation in Full-Size Spiral Wound Reverse Osmosis Membranes Using Computational Fluid Dynamics

open access: yesMembranes, 2021
A three-dimensional model for the simulation of concentration polarisation in a full-scale spiral wound reverse osmosis (RO) membrane element was developed.
Wenshu Wei   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy