Results 101 to 110 of about 718,973 (279)

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

Adaptive tracking electro-hydraulic drive

MORSKIE INTELLEKTUAL`NYE TEHNOLOGII)</msg>, 2020
Статья посвящена исследованию возможностей снижения влияния параметрических возмущений на показатели назначения корабельного артиллерийского комплекса. Предложен закон адаптивного управления слежением в аналитической форме и способ его технической реализации для снижения чувствительности следящего электрогидравлического привода артиллерийского ...
openaire   +1 more source

Dual‐Mode Electrophoretic Displays Enabled by Quantum Dot‐Decorated PR48:2 Pigment Particles and TiO2 for All‐Weather Visibility, Excellent Bistability, and Enhanced Readability

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This study presents a novel quantum dot electrophoretic display (QDEPD), which combines electro‐controlled reflection and optically‐triggered emission to achieve efficient multi‐modal switching within a single pixel. By incorporating multi‐component nanostructures, the system enhances functional integration and multi‐modal response capabilities.
Xingke Zheng, Yun Ye, Hongxing Xie, Yuanyi Liu, Ruihan Lin, Guangyou Liu, Tianyong Guan, Enguo Chen, Tailiang Guo   +8 more
wiley   +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

Stress Redistribution Mechanisms and Subsidence Control of Fluidized Gangue Backfilling in Underground Coal Mining: Integrated Experimental and Numerical Investigation

Energy Science &Engineering, EarlyView.
Fluidized gangue backfilling controls mining subsidence through stress redistribution in composite backfill‐pillar systems, reducing surface settlement and stress concentrations. Multi‐scale experimental and numerical analysis provides quantitative design parameters for optimizing ground control in sustainable underground coal mining operations ...
Weilong Zhang, Jie Zhang, Yuanzhen Zhang, Wenjing Liu, Liang Li, Deyi Nan, Guannan Zhao, Chen Yang, Haiqing Bian, Hua Shao, Xiao Zuo, Changtai Zhou   +11 more
wiley   +1 more source

Modeling and control of a high-quality electro-hydraulic actuator driven via an induction motor under intelligent indirect vector control [PDF]

Engineering and Technology Journal
Due to its excellent energy efficiency and broad speed range, the variable-speed electro-hydraulic drive is an appealing driving principle in many contemporary industrial applications.
Aws Hassan, Jamal Mohammed, Walaa Hashim
doaj   +1 more source

Specificities of pressure impulse forming in boring casing collector zone of the oil well by the action of electrohydraulic discharge [PDF]

, 2009
С целью интенсификации добычи нефти из глубоких скважин рассмотрены вопросы воздействия электрогидравлического разряда на нефтеносные прослойки с учетом спектра собственных колебаний обсадной колонны и перфорационных отверстий в зоне коллектора.For the ...
Гонтарь, Юлия Григорьевна, Гурин, Анатолий Григорьевич, Ковалек, П. Е., Мостовой, Сергей Петрович, Ярмак, Ольга Николаевна   +4 more
core  

Modeling and fault tolerant control of an electro-hydraulic actuator [PDF]

, 2016
In the modern industry, electro-hydraulic actuators (EHAs) have been applied to various applications for precise position pressure/ force control tasks.
Ahn, Kyoung Kwan, Chowdhury, Puja, Das, Debdatta, Nahian, Syed Abu, Truong, Dinh Quang   +4 more
core   +1 more source

Study on Deformation Law of Crossing Layer Drilling Superimposed Floor Roadway

Energy Science &Engineering, EarlyView.
Based on deformation law of crossing layer drilling superimposed floor roadway, low dip angle drilling is particularly susceptible to complications such as borehole blockage and collapse. ABSTRACT Floor extraction roadway crossing layer drilling is a pivotal strategy for gas control in areas prone to coal and gas outbursts.
Xiao Liu, Bo Li, Jiawei Xie, Xiaoming Ni, Shaoren Wei, Chengtao Yang, Yubo Zhang, Haixiao Lin, Wei Zhao, Tao Wang   +9 more
wiley   +1 more source

A study of low-cost reliable actuators for light aircraft. Part A: Chapters 1-8 [PDF]

An analysis involving electro-mechanical, electro-pneumatic, and electro-hydraulic actuators was performed to study which are compatible for use in the primary and secondary flight controls of a single engine light aircraft.
Eijsink, H., Rice, M.
core   +1 more source