Results 21 to 30 of about 15,341 (227)

Mathematical modelling and numerical simulation of linear electro-hydraulic servomechanism with stepper motor [PDF]

open access: yesE3S Web of Conferences, 2020
The paper presents the results of research on the performance of linear electro-hydraulic servomechanisms with stepper motor, evaluated by mathematical modelling and numerical simulation with the AMESIM software package.
Muraru Vergil   +4 more
doaj   +1 more source

Circle grid fractal plate as a turbulent generator for premixed flame: an overview [PDF]

open access: yes, 2013
This review paper focuses to ascertain a new approach in turbulence generation on the structure of premixed flames and external combustion using a fractal grid pattern.
A Khalid   +17 more
core   +1 more source

Інтерактивний контроль при формоутворенні багатогабаритних деталей [PDF]

open access: yes, 1996
Physical phenomenon of warping (springing) can be observed as a technological heritage after large-dimensional articles forming or curing and consequent cooling of composite articles.
Hohmann, S.   +3 more
core   +1 more source

Software defect management of electro hydraulic control system of hydraulic support

open access: yesGong-kuang zidonghua, 2016
For software defect problem of electro hydraulic control system of hydraulic support, software structural features of the electro-hydraulic control system were analyzed from software testing method, software defect management framework was built ...
NIU Jianfeng, BAI Yongsheng, GUO Dinghe
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 of remote electro-hydraulic control system of overhead monorail for cable handling

open access: yesGong-kuang zidonghua, 2014
A remote electro-hydraulic control system of overhead monorail for cable handling was designed through adding telecontroller and wireless transceiver to existing electro-hydraulic control system of overhead monorail for cable handling. Composition of the
BI Dongzhu
doaj   +1 more source

Application research on active disturbance rejection control algorithm and test of electro-hydraulic steering gear

open access: yesZhongguo Jianchuan Yanjiu, 2022
ObjectivesThe new type of electro-hydraulic steering gear with direct drive volume control is a typical system with large inertia and small damping.
Zongbin CHEN, Jian LIAO, Banghui LIU
doaj   +1 more source

A Passivity-based Nonlinear Admittance Control with Application to Powered Upper-limb Control under Unknown Environmental Interactions [PDF]

open access: yes, 2019
This paper presents an admittance controller based on the passivity theory for a powered upper-limb exoskeleton robot which is governed by the nonlinear equation of motion.
Choi, Il Seop   +7 more
core   +2 more sources

Backstepping Control of Electro-Hydraulic Arm

open access: yes2018 6th International Conference on Control Engineering & Information Technology (CEIT), 2018
In this study, positioning control of the electro hydraulic systems is considered. Backstepping control strategy is designed by defining an auxiliary error signal. The performance of the controller is investigated by conducting numerical simulations. From the simulation results, it is seen that the control objective achieved successfully.
Bayrak, Alper   +2 more
openaire   +2 more sources

Development of automatic test platform of electro-hydraulic control system of hydraulic support

open access: yesGong-kuang zidonghua, 2018
In view of problems of high cost, low test efficiency and unable to record test data automatically of functional test methods of existing electro-hydraulic control system of hydraulic support, and in order to verify adaptability of control logic of the ...
LI Junshi
doaj   +1 more source

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