Results 21 to 30 of about 4,207 (222)
This paper deals with safety-critical, high-power actuation in aerospace applications. Using a system-level synthetic view, it identifies, explains and discusses the reasons why electrically supplied, or power-by-wire, solutions have not spread rapidly ...
Jean-Charles Maré
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Designing redundant metering valves for hydraulic actuators under mixability and low cost-constraints [PDF]
This article deals with the design of redundant metering valves for mechanically signalled hydraulic actuators. The final aim of the work is to manufacture a new low-cost valve in replacement of the existing expensive valve with an additional leakage ...
Malburet, François +3 more
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Harmonic Control for Variable-Frequency Aviation Power System Based on Three-Level NPC Converter
At present, three-phase 115V/360-800Hz variable frequency AC power system is mostly used in the main power system of More-Electric Aircraft. With the increase of EMA (Electro-Mechanical Actuator), EHA (Electro-Hydrostatic Actuator), DC/DC power supply ...
Zhenyang Hao, Xinying Wang, Xin Cao
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Feasibility studies of a converter-free grid-connected offshore hydrostatic wind turbine [PDF]
Owing to the increasing penetration of renewable power generation, the modern power system faces great challenges in frequency regulations and reduced system inertia.
Lin, Shuyue, Tong, Xin, Zhao, Xiaowei
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Design of ultraprecision machine tools with application to manufacturing of miniature and micro components [PDF]
Currently the underlying necessities for predictability, producibility and productivity remain big issues in ultraprecision machining of miniature/microproducts.
Chen +20 more
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Comparative Energy Analysis of a Load Sensing System and a Zonal Hydraulics for a 9-Tonne Excavator
With the rising demand for energy efficiency, displacement-controlled or so-called pump-controlled systems have become an attractive research topic for applications in construction machinery and other off-road vehicles.
Paolo Casoli +3 more
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Study of two robust controls for an hydraulic actuator [PDF]
Two robust control design methodologies are analyzed and compared in this article: the H-infinity control system design and the CRONE control system design.
Lanusse, Patrick +3 more
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Design and Validation of a MR-compatible Pneumatic Manipulandum [PDF]
The combination of functional MR imaging and novel robotic tools may provide unique opportunities to probe the neural systems underlying motor control and learning.
Scheidt, Robert A. +2 more
core +2 more sources
Monolayer MoS2 strained to 1.3% with a microelectromechanical system [PDF]
We report on a modified transfer technique for atomically thin materials integrated onto microelectromechanical systems (MEMS) for studying strain physics and creating strain-based devices.
Bishop, David J. +6 more
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Electro-hydrostatic actuator (EHA) has significance in a variety of industrial tasks. For the purpose of elevating the working performance, we put forward a sliding mode control strategy for EHA operation with a damping variable sliding surface. To start
Mingkang Wang +4 more
doaj +1 more source

