Results 31 to 40 of about 718,973 (279)

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

Research on a Hydraulic Cylinder Pressure Control Method for Efficient Traction Operation in Electro-Hydraulic Hitch System of Electric Tractors

open access: yesAgriculture, 2023
The tractor is the primary power device of the agricultural production process. For the problem that the traditional electro-hydraulic hitch control method for tractors cannot simultaneously meet the requirements of maintaining a constant ploughing depth
Zhenhao Luo   +5 more
semanticscholar   +1 more source

Інтерактивний контроль при формоутворенні багатогабаритних деталей [PDF]

open access: yes, 2019
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.
Taranenko, Igor, Taranenko, Mykhaylo
core   +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

Dynamic Prediction of Performance Degradation Characteristics of Direct-Drive Electro-Hydraulic Servo Valves

open access: yesApplied Sciences, 2023
Direct-drive electro-hydraulic servo valves are widely used in the aerospace industry, in the military, and in remote sensing control, but there is little research and discussion on their performance degradation and service life prediction.
Juncheng Mi, G. Huang
semanticscholar   +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

Recovery and Control Strategy of Electro-Hydraulic Composite Braking Energy for Electric Loader with Braking Intention Recognition

open access: yesApplied Sciences, 2023
The loader has a lot of recoverable braking energy due to its larger mass and frequent starts/stops. For a 5-ton pure electric drive loader, an emergency braking intention recognition strategy based on hydraulic braking pressure was proposed. The braking
Sude Huang   +4 more
semanticscholar   +1 more source

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

Fault monitoring of electric and hydraulic control system of remote control drilling rig

open access: yesMeikuang Anquan, 2021
It is often difficult to quickly troubleshoot and repair the complex electro-hydraulic control system of remote control drilling rigs. Therefore, it is proposed to establish its electro-hydraulic control system monitoring system to quickly find the ...
ZHANG Gang
doaj   +1 more source

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