Results 31 to 40 of about 52,137 (241)

Development of an electrohydraulic drive system for the vibrating conveyor belt of the peanut digger-inverter. [PDF]

PLoS ONE, 2018
Hydraulic systems are equipment widely used in stationary industrial equipment and in moving agricultural equipment and construction machines. Currently, the rotation of the vibrating conveyor belt of the peanut digger-inverter is triggered by the ...
Evaldo Ferezin, Rouverson Pereira da Silva, Adão Felipe Dos Santos, Cristiano Zerbato   +3 more
doaj   +1 more source

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

Agriculture, 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, Jihang Wang, Jing Wu, Shengli Zhang, Zhongju Chen, Bin Xie   +5 more
doaj   +1 more source

Research on water hammer model and pressure pulsation of digital hydraulic valve control system

Advances in Mechanical Engineering
It is found through experiments that the amplitude, waveform and periodicity of the water hammer pressure pulsation under the continuous on/off of the valve in the digital hydraulic system are affected by the frequency of the valve switching valve, which
Fulong Chen, Yuzheng Li, Fuqi Li, Heng Du, Hui Huang, Kaiyi Xie   +5 more
doaj   +1 more source

Non-linear optimal control for multi-DOF electro-hydraulic robotic manipulators

IET Cyber-systems and Robotics, 2020
A non-linear optimal (H-infinity) control approach is proposed for the dynamic model of multi-degree-of-freedom (DOF) electro-hydraulic robotic manipulators.
Gerasimos Rigatos, Nikolaos Zervos, Masoud Abbaszadeh, Jorge Pomares, Patrice Wira   +4 more
doaj   +1 more source

Meta‐Rod Mechanical Metamaterials With Programmable Reconfiguration

Advanced Functional Materials, EarlyView.
Existing mechanical metamaterials achieve programmable large deformations in planar square or cubic configurations, restricted by required complex boundary conditions. This research proposes a 1D metamaterial, Meta‐rod, with linear, bending, twisting, area, and volume deformation modes.
Atharva Pande, Lyes Kadem, Hang Xu
wiley   +1 more source

Design and Control of a Linear Rotary Electro-Hydraulic Servo Drive Unit

Applied Sciences, 2023
In this paper, a new solution for an electro-hydraulic servo drive is proposed, which consists of two electro-hydraulic servo drives: one with a hydraulic cylinder and one with a hydraulic rotary motor.
Andrzej Milecki, Arkadiusz Jakubowski, Arkadiusz Kubacki   +2 more
doaj   +1 more source

Необходимость интерактивного контроля при последовательном локальном деформировании крупногабаритных листовых деталей [PDF]

, 2011
В статье обосновывается возможность сокращения на 70…75% трудоемкости и цикла штамповки крупногабаритных листовых деталей на электрогидравлических прессах.
Демченко, А. В., Тараненко, М. Е.   +1 more
core  

Smart Closed‐Loop Systems in Personalized Healthcare: Advances and Outlook

Advanced Materials Technologies, EarlyView.
A smart closed‐loop e‐textile integrates multimodal sensing, onboard processing, wireless communication, and wearable power to enable real‐time physiological/biochemical monitoring and feedback‐controlled therapy. ABSTRACT Smart textiles represent a revolutionary frontier in healthcare, seamlessly blending fabric and advanced technologies to create ...
Safoora Khosravi, Sang Won Lee, Mohammad Abrar Uddin, Sina Hassanpoor, Neha Suvindran, Katherine Le, Harun Arkaz, Harishkumar Narayana, Saeid Soltanian, Danial Khorsandi, Negar Hosseinzadeh Kouchehbaghi, Taeil Kim, Yangzhi Zhu   +12 more
wiley   +1 more source

Design and experimental study of electro-hydraulic buffer control valve for hydraulic support push cylinder

Gong-kuang zidonghua
During the pushing and pulling operations of the push cylinder of the hydraulic support in the working face, the instantaneous pressure surge at startup is severe, which can lead to cylinder bulging, expansion, seal failure, or even the fracture of ...
JIANG Sulong, GUO Pu, ZHAO Jiyun, MAN Jiaxiang, CAO Chao   +4 more
doaj   +1 more source

High Precise Fuzzy Control for Piezoelectric Direct Drive Electro-Hydraulic Servo Valve

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2012
As the core part of the electro-hydraulic servo system, the electro-hydraulic servo valve plays an important role in the system. Due to the piezoelectric actuator has characteristics of fast response, easy control and high control accuracy, it can be ...
Miaolei ZHOU, Wei GAO, Zhigang YANG, Yantao TIAN   +3 more
doaj   +1 more source