Results 81 to 90 of about 343,795 (193)

Design and Evaluation of a Torque-Controlled Ankle Exoskeleton Using the Small-Scale Hydrostatic Actuator: miniHydrA

open access: yesActuators
A small-scale electro-hydrostatic actuator, termed miniHydrA, was developed based on biomechanical requirements for gait and integrated into an ankle exoskeleton. The key advantage of this actuator concept lies in its compact size and the low mass of its
Kyrian Staman, Herman van der Kooij
doaj   +1 more source

Supplemental material for Novel dual-redundancy electro-hydrostatic actuator research and controller design

open access: yes, 2019
Supplemental Material for Novel dual-redundancy electro-hydrostatic actuator research and controller design by Wending Li and Guanglin Shi in Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering ...
Wending Li (3499409)   +1 more
core   +1 more source

Fault Detection in an Electro-Hydrostatic Actuator Using Polyscale Complexity Measures and Bayesian Classification

open access: yesIEEE Open Journal of Instrumentation and Measurement
This article presents a novel approach for fault detection in a hydraulic actuation system. The fault of interest is the internal leakage of the actuator, which may often be caused by the wearing down of the piston seal.
Soleiman Hosseinpour   +3 more
doaj   +1 more source

Design and Simulation of Electro-hydrostatic Actuator with a Built-in Power Regulator [PDF]

open access: yes, 2009
The electro-hydrostatic actuator (EHA) is a kind of power-by-wire (PBW) actuator that converts the electrical power into localized hydraulic power for flight control.
Lisha, Chen   +3 more
core   +1 more source

Enhanced Operation Mode Design and Motion Control of a Dual-Redundancy Electro-Hydrostatic Actuator

open access: yesActuators
In dual-redundancy electro-hydrostatic actuators (EHAs), the dual pumps are mainly designed for safety, where the cylinder is controlled mainly by one pump while the other one is standby for redundancy. However, such a strategy is basically like a single-
Huatao Jin   +5 more
doaj   +1 more source

A Qualitative and Quantitative Functional Modelling Method for PHM System Design

open access: yesChemical Engineering Transactions, 2013
In the early stage of PHM system design, it is very important to analyse the failure modes and their effects,i.e. FMEA. A great number of model-based methods have been proposed recently; however, the analysis process might concern only qualitative or ...
L. Song   +4 more
doaj   +1 more source

Development and control of a single rod electro hydrostatic actuator

open access: yes, 2015
In this thesis a variable speed pump controlled electro hydrostatic drive system for a single rod actuator is developed. The problem of the single rod actuator in hydrostatic applications is the differential flow rate which is formed due to the ...
HAKAN ÇALIŞKAN
core  

车辆电动静液压主动悬架系统的设计与试验研究

open access: yesJixie chuandong, 2009
A active suspension system with EHA(Electro-Hydrostatic Actuator) is developed to improve the ride comfort performance using a fuzzy PID control scheme,which makes the control system more intelligent.The performance of the controller can be improved by ...
寇发荣
doaj  

Structure Optimization of Electro-Hydrostatic Actuator for General Aviation Aircraft

open access: yes, 2016
The use of only one primary sort of energy is the present trend of aircraft design and its force systens. There are designed electromagnetical force systems for control of ther moving parts of aircraft structure.
Kraus, Jan
core  

Adaptive Dead Zone Compensation Control Method for Electro-Hydrostatic Actuators Under Low-Speed Conditions

open access: yesChinese Journal of Mechanical Engineering
This study proposes an accurate dead zone compensation control method for electro-hydrostatic actuators (EHAs) under low-speed conditions. Specifically, the nonlinear dead zone characteristics under low-speed conditions are summarized based on numerous ...
Haoyi Jiang   +8 more
doaj   +1 more source

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