Results 31 to 40 of about 4,472 (203)

Precise positioning technology of operator of remote-controlled electro-hydraulic control system

open access: yesGong-kuang zidonghua, 2015
In view of problem that operator of remote-controlled electro-hydraulic control system is easy to malfunction while controlling the support action, precise positioning technology of operator of remote-controlled electro-hydraulic control system was ...
ZHAO Wensheng
doaj   +1 more source

Research on Model-Free Adaptive Control of Electro-Hydraulic Servo System of Continuous Rotary Motor

open access: yesIEEE Access, 2022
The model-free adaptive controller (MFAC) for continuous rotary electro-hydraulic servo motor was proposed to deal with uncertainties such as friction, leakage and noise.
Xiaojing Wang, Yang Zhang, Chunhui Li
doaj   +1 more source

Real-Time Hybrid Test Control Research Based on Improved Electro-Hydraulic Servo Displacement Algorithm

open access: yesSensors, 2023
Real-time hybrid testing (RTH) is a test method for dynamic loading performance evaluation of structures, which is divided into digital simulation and physical testing, but the integration of the two may lead to problems such as time lag, large errors ...
Yaoyu Shen   +3 more
doaj   +1 more source

Research of emergency stop control scheme for electro-hydraulic control system of hydraulic support

open access: yesGong-kuang zidonghua, 2015
For inconvenient emergency stop control with low reliability of existing electro-hydraulic control equipment of hydraulic support, an emergency stop control scheme for electro-hydraulic control system of hydraulic support was proposed which was based on ...
CHAI Wen   +8 more
doaj   +1 more source

Analysis on vibration for a high-frequency electro-hydraulic cleaning system controlled by improved two-dimensional rotary valve

open access: yesAdvances in Mechanical Engineering, 2018
Conventional high-frequency cleaners utilize functional materials (e.g. piezoelectric ceramics, magnetostrictive materials) excited by electrical signals to realize high-frequency vibration, even ultrasonic vibration.
Xiancheng Ji, Yan Ren, Hesheng Tang
doaj   +1 more source

Design and application of automation control system of fully mechanized coal mining face

open access: yesGong-kuang zidonghua, 2014
In view of problem of low efficiency of automation coal mining on fully mechanized coal mining face, a design scheme of automation control system of fully mechanized coal mining face was proposed, composition and functions of the system were introduced ...
SUN Bingke, HE Yonghua
doaj   +1 more source

Parametric Vibration Analysis of a Six-Degree-of-Freedom Electro-Hydraulic Stewart Platform

open access: yesShock and Vibration, 2021
Electro-hydraulic Stewart 6-DOF platform is a 6-DOF parallel mechanism combined with the electro-hydraulic servo control system, which is widely used in the field of construction machinery. In actual working conditions, the flow and pressure pulsation of
Xiaoming Yuan   +3 more
doaj   +1 more source

Electrospun Wood‐Derived Biopolymers as Electrodes in Electrochemical Energy Storage Technologies

open access: yesAdvanced Functional Materials, EarlyView.
Electrospinning transforms wood‐derived cellulose and lignin into architecturally defined, binder‐free carbon electrodes with tuneable porosity and functionality. This review shows how fibre design enables decoupled charge and mass transport, enhancing performance across battery systems, while identifying key challenges in spinnability, scalability ...
Michael W. Thielke   +3 more
wiley   +1 more source

Decouple H2O2 Electrosynthesis From Microenvironmental Decomposition via Atomic Site Density Engineering

open access: yesAngewandte Chemie, EarlyView.
Using defect‐rich Co‐N2O2 single‐atom catalysts as a model system, this work reveals that atomic site density governs the competition between H2O2 electrosynthesis and microenvironmental decomposition during 2e−‐ORR. Optimised site isolation suppresses HPRR and HDR, thereby establishing a site‐density principle to balance H2O2 formation and ...
Junwen Chen   +8 more
wiley   +2 more sources

Modelling, Simulation and Experimental Verification of a 3 DOF Moving Platform with Parallel Kinematics and Electro-Hydraulic Proportional / Servo Control System

open access: yesCommunications
Hydraulic motion platforms are widely utilized in various environments due to their capacity to bear heavy loads and provide long actuator strokes. The predominant control system employed for hydraulic motion platforms is the electro-hydraulic servo ...
Ezz Eldin Ibrahim   +4 more
doaj   +1 more source

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