Results 81 to 90 of about 6,997,530 (249)
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 +7 more
doaj +1 more source
Advanced Materials Technologies, EarlyView.A constraint‐based analytical framework maps the coupled effects of material properties, structural parameters, and operating conditions in tubular dielectric elastomer pumps for extracorporeal circulatory applications. The approach defines performance boundaries through mechanical, electrical, and hydraulic constraints and identifies feasible design ...
Yan Zhang +3 more
wiley +1 more source
Meitan xuebaoThe 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 +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 +5 more
doaj +1 more source
Child Support Services Handbook
, 2013 application/pdfThe Kansas Child Support Services (CSS) program helps children receive the financial support necessary for their growth and development.
Kansas Child Support Services.
core
Fieldwork Hydraulic Engineering
, 2013 Data collected for the MSc course 'Fieldwork Hydraulic Engineering' at TU ...
TU Delft, Department of Hydraulic Engineering
core +1 more source
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
Meitan kexue jishuCoal is the key energy source in China, and it is of great strategic significance to ensure the safe and efficient mining of coal resources in China. China’s coal resources are mainly mined by shaft mining, the production environment is harsh and the ...
Qingliang ZENG +4 more
doaj +1 more source
Gong-kuang zidonghua, 2017 In view of safety problems such as premature separation of roof, advance of cutting line and rib fall of coal wall caused by being lack of initial support force of hydraulic support, a manual pressurization device for initial support force of hydraulic ...
CAO Lianmin +4 more
doaj +1 more source
Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots
Advanced Robotics Research, EarlyView.Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley +1 more source