Results 51 to 60 of about 54,197 (216)

Multifunctional Adhesive Hydrogel for Rapid Cardiac Hemostasis and Antibacterial Protection

Advanced Materials Technologies, EarlyView.
A multifunctional polyacrylamide/gelatin/tannic acid hydrogel (PGT) is presented for rapid cardiac hemostasis under wet, dynamic conditions. Surface tannic acid coating enables instantaneous wet adhesion, accelerates coagulation, and confers antibacterial activity within a single platform.
Seoha Kim, Kaeun Chae, Inseon Kim, Kye Il Joo, Chang Sup Kim, Seunghun S. Lee   +5 more
wiley   +1 more source

Research of Fuzzy Recognition System of Working State of Hydraulic Support

Gong-kuang zidonghua, 2012
In view of problem that current pressure monitoring system of hydraulic support of fully mechanized coal face can only monitor pressure of fully mechanized coal face and cannot recognize working state of hydraulic support, a fuzzy recognition system of ...
ZHANG Shen, HUANG Huan, ZHAI Yan-rong, MA Xiu-ping, LIU Wei   +4 more
doaj  

Dynamic correlation technology of wireless control device for hydraulic support

Gong-kuang zidonghua, 2018
In order to solve problem of safety operation of wireless control device for hydraulic support, working principle of the wireless control device for hydraulic support was analyzed, and a scheme of dynamic correlation of the wireless control device for ...
NIU Yicun
doaj   +1 more source

Cooperative control technology of shear and hydraulic support on fully-mechanized coal mining face

Gong-kuang zidonghua, 2020
Aiming at low cooperative control efficiency of shearer and hydraulic support on fully-mechanized coal mining face, a cooperative control technology of shearer and hydraulic support on fully-mechanized coal mining face was proposed based on technologies ...
LIU Qing, HAN Xiuqi, XU Lanxin, QIN Wenguang   +3 more
doaj   +1 more source

Multiobjective Codesign Optimization of a Planar Pneumatic Artificial Muscle‐Based Snake‐Like Robot for Enhanced Agility and Energy Efficiency

Advanced Robotics Research, EarlyView.
A codesign multiobjective optimization framework was developed to enhance the morphology and controller of a snake‐like robot driven by artificial muscles. It improved planar locomotion, agility, and power efficiency. The approach optimized link geometry and controller gains, revealing that shorter muscles near joints and longer linkages maximize ...
Ayla Valles, Mahdi Haghshenas‐Jaryani
wiley   +1 more source

Optimal design of balance jack control loop of hydraulic support

Gong-kuang zidonghua, 2018
Principles and shortcomings of balance jack control of hydraulic support by use of compensation valve, high pressure internal overflow valve, floating two-way lock and automatic balance valve respectively were analyzed, and an optimal design scheme of ...
CAO Lianmin, SUN Shijiao, ZHANG Zhen, ZHANG Yazhu, GUO Hui, YAN Mingwei, GUO Zhen, ZHONG Chongtao   +7 more
doaj   +1 more source

A Proof‐of‐Concept Assessment of a Novel Wearable Eyelid Muscle Device: A Pre‐Clinical Animal Cadaver Study for Eyelid Closure Restoration

Advanced Robotics Research, EarlyView.
This article introduces a soft wearable eyelid sling device incorporating a hydraulic soft artificial muscle (SAM) for achieving complete closure of an eyelid. The SAM is driven by a cam mechanism that provides a displacement profile closely matched with those of a healthy eyelid.
Patrick Pruscino, Phuoc Thien Phan, James Davies, Bibhu Sharma, Tianruo Guo, Chi Cong Nguyen, Nigel H. Lovell, Thanh Nho Do   +7 more
wiley   +1 more source

Current situation and intelligent development trend of high power liquid supply system of hydraulic support

Meitan xuebao
The liquid supply system of coal face in underground coal mine provides high pressure and large flow hydraulic power for hydraulic support, and its performance and reliability are the key to the safe, intelligent and efficient work of fully mechanized ...
Jiyun ZHAO, Chao CAO, Hao WANG, Yanzhao PAN, Di HUANG, Jing HAN, Yunjiang MIAO   +6 more
doaj   +1 more source

Approximate estimation of fatigue life of hydraulic support

Gong-kuang zidonghua, 2017
In view of problem that conventional life approximate analytical method of hydraulic support needs cyclic loading and acquisition of dangerous points which leads to increase of computer load, a life estimation model based on genetic algorithm and BP ...
WANG Jingtao, LU Jingui, ZHU Zhengquan, QIAN Peng, LIN Xiaochuan, WANG Bangxiang   +5 more
doaj   +1 more source

Soft Robotic Snake with Tunable Undulatory Gait for Efficient Underwater Locomotion

Advanced Robotics Research, EarlyView.
This study designs an underwater soft snake robot using 3D‐printed soft actuators, controlled by specific signals to generate sinusoidal undulation. Results show a positive correlation between speed and swing amplitude, with optimal performance at 2/3π phase offset, PLA tail, 1.2 voltage growth rate, and 6s undulation period achieving a maximum speed ...
Huichen Ma, Junjie Zhou, Raye Yeow
wiley   +1 more source