Results 231 to 240 of about 40,379 (295)
Subsea Gate Valve-PDC Material and Sand Slurry Test. [PDF]
Materials (Basel)Ahmadli M, Gjersvik TB, Sangesland S.
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An hydraulically actuated isolated ventricle
Cardiovascular Research, 1974An apparatus is described that hydraulically actuates an excised dog ventricle. Cam-operated pumps programme flow through the heart valves to approximate in-vivo blood flow. The intact valves and the tortuous ventricular surface provide the authentic mixing influences that are important for indicator dilution studies.
R A, Lloyd, E M, Wilson
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Novel Linear Hydraulic Actuator
ASME/BATH 2015 Symposium on Fluid Power and Motion Control, 2015In the area of linear motion, infinite stroke only is provided by electric actuators today, until now there has been no hydraulic alternative. The novel linear hydraulic actuator consists of two double acting cylinders with a common piston rod. The working principle of this actuator for short movements is that at least one piston is connected to the ...
Magnus Landberg +2 more
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Hydraulically actuated artificial muscles
SPIE Proceedings, 2012Hydraulic Artificial Muscles (HAMs) consisting of a polymer tube constrained by a nylon mesh are presented in this paper. Despite the actuation mechanism being similar to its popular counterpart, which are pneumatically actuated (PAM), HAMs have not been studied in depth.
M. A. Meller +5 more
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Electrically Actuated Hydraulic Solids
Advanced Engineering Materials, 2016The authors introduce a new class of electrically‐actuated soft materials. Electro‐active hydraulic solids (EAHSs) are comprised of numerous microscale phase change capsules embedded inside a conductive elastomer matrix which replicate traditional wax actuators in a massively parallel fashion.
Jeffrey Ian Lipton +4 more
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Electro-hydraulic linear actuator
2016 39th International Spring Seminar on Electronics Technology (ISSE), 2016The paper presents an electro-hydraulic linear actuator used at Tuzla Sea Survival School on the Cabin Emergency and Escape Trainer CEET B732 developed by author, which implements their research about electro-hydraulic system driven by common PLCs.
Marian Blejan +3 more
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Cavitation in Valve-Controlled Hydraulic Actuators
Journal of Applied Mechanics, 1963Results of analytical and experimental studies of cavitation in valve-controlled hydraulic actuators under various dynamic conditions are presented. The analytical work consists of deriving approximate critical cavitation conditions for various operating modes.
Wang, P. K. C., Ma, J. T. S.
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IEEE Transactions on Industrial Electronics, 2017
In this study, bilateral control between electric and hydraulic actuators is investigated. Bilateral control realizes telemanipulation of remote robots with the sense of touch. We focus on the system of local (master) robots, manipulated by operators that are driven by electric actuators, and slave robots, which work in remote places that are driven by
Sho Sakaino +2 more
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In this study, bilateral control between electric and hydraulic actuators is investigated. Bilateral control realizes telemanipulation of remote robots with the sense of touch. We focus on the system of local (master) robots, manipulated by operators that are driven by electric actuators, and slave robots, which work in remote places that are driven by
Sho Sakaino +2 more
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Intelligent Diagnostic System for Hydraulic Actuator
2019 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM), 2019© 2019 IEEE. The proposed technical solution allows optimizing the process of hydraulic drive control, which leads to increased energy efficiency, as well as diagnosing the state of the hydraulic system of the industrial machine. To ensure the speed of the process of diagnosing the state of the hydraulic drive in addition to the hardware of the system,
Khaziev E., Khaziev M.
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Power hydraulics - switched mode control of hydraulic actuation
2010 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2010This paper is concerned with the application of switching technology to hydraulic actuation. Over the last 50 years with advances in power electronics, faster and faster static switches have been developed and applied to the control of motors. Hydraulic technology evolved in the opposite direction: switching control was not considered, and more and ...
Emanuele Guglielmino +4 more
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