Results 121 to 130 of about 52,137 (241)
Robust Control Design of an Electro-Hydraulic Actuator [PDF]
, 2014 Gáspár, Péter +2 more
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Ain Shams Engineering JournalDecentralized independent electro-hydraulic control system driven by electro-hydraulic actuators (EHAs) has high efficiency and excellent control performance. However, the high costs of EHA restricts the development of systems.
Ruqi Ding +5 more
doaj +1 more source
Preliminary test on modified clays for seawater resistant drilling fluids [PDF]
, 2015 The quality of a drilling fluid declines in salt water conditions. An engineered clay (HYPER clay) was developed for geosynthetic clay liners with enhanced resistance to aggressive conditions.
Bezuijen, Adam +3 more
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Development of improved electroforming technique [PDF]
Techniques were studied to reinforce or strengthen electroformed nickel to allow a fuller utilization of electroforming as a reliable and low cost fabrication technique for regenerately cooled thrust chambers.
Davies, L. G., Mccandles, L. C.
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Research of Synchronously Automatic Control of Grouped Multi-hydraulic Supports Based on PM31 System
Gong-kuang zidonghua, 2011 For problems that non-automatic control mode of single support has low efficiency and speed of sequentially automatic control of grouped single support is slower than coal-cutting speed in PM31 electro-hydraulic control system of hydraulic support, the ...
CHU Yan-ju
doaj
Position Control System of Hydraulic CylinderBased on Microcontroller
Journal of Engineering and Sustainable Development, 2008 Recently, the industrial applications using an electro-hydraulic system have been widely used. Since these are necessary and more ambitious specifications with respect to positioning accuracy, rapid motion and for generating large forces.
Munaf F. Bader
doaj
Systems study for an Integrated Digital-Electric Aircraft (IDEA) [PDF]
The results of the Integrated Digital/Electric Aircraft (IDEA) Study are presented. Airplanes with advanced systems were, defined and evaluated, as a means of identifying potential high payoff research tasks.
Bailey, A. R. +2 more
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Redundant actuator development program [PDF]
Two concepts of redundant secondary actuator mechanization, applicable to future advanced flight control systems, were studied to quantitatively assess their design applicability to an AST.
Chenoweth, C. C. +2 more
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Civil air transport: A fresh look at power-by-wire and fly-by-light [PDF]
Power-by-wire (PBW) is a key element under subsonic transport flight systems technology with potential savings of over 10 percent in gross take-off-weight and in fuel consumption compared to today's transport aircraft.
Sundberg, Gale R.
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Status of the Fiber Optic Control System Integration (FOCSI) program [PDF]
This report presents a discussion of the progress made in the NASA/NAVY Fiber Optic Control System Integration (FOCSI) program. This program will culminate in open-loop flight tests of passive optical sensors and associated electro-optics on an F-18 ...
Baumbick, Robert J.
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