Active Load-Sensitive Electro-Hydrostatic Actuator for More Electric Aircraft
Applied Sciences, 2020 In the flight control system, using an electro-hydrostatic actuator (EHA) instead of the currently used relatively mature electro-hydraulic valve-controlled actuator, there are three prevailing concerns, namely heating, size, and stiffness.
Ligang Huang +3 more
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Modeling and control of a high-quality electro-hydraulic actuator driven via an induction motor under intelligent indirect vector control [PDF]
Engineering and Technology JournalDue to its excellent energy efficiency and broad speed range, the variable-speed electro-hydraulic drive is an appealing driving principle in many contemporary industrial applications.
Aws Hassan, Jamal Mohammed, Walaa Hashim
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Mass and charge transport in micro and nano-fluidic channels [PDF]
, 2006 We consider laminar flow of incompressible electrolytes in long, straight channels driven by pressure and electro-osmosis. We use a Hilbert space eigenfunction expansion to address the general problem of an arbitrary cross section and obtain general ...
Batchelor G.K. +11 more
core +2 more sources
Electro-hydraulically actuated forestry manipulator: Modeling and Identification
2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012 We present results of modeling dynamics of a forestry manipulator, in which we consider its mechanics, as well as its hydraulic actuation system. The mathematical model of its mechanics is formulated by Euler-Lagrange equations, for which the addition of friction forces is straightforward.
La Hera, Pedro +2 more
openaire +3 more sources
Designing redundant metering valves for hydraulic actuators under mixability and low cost-constraints [PDF]
, 2010 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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An ABS control logic based on wheel force measurement [PDF]
, 2012 The paper presents an anti-lock braking system (ABS) control logic based on the measurement of the longitudinal forces at the hub bearings. The availability of force information allows to design a logic that does not rely on the estimation of the tyre ...
A. Vigliani +22 more
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Fuzzy Finite Memory State Estimation for Electro-Hydraulic Active Suspension Systems
IEEE Access, 2021 This paper presents a novel nonlinear estimator called the fuzzy finite memory (FFM) state estimator for electro-hydraulic active suspension systems, based on fuzzy techniques and finite impulse response.
Hyun Duck Choi, Sung Hyun You
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IEEE AccessThis paper presents a reinforcement learning-based discrete-time control strategy for nonlinear electro-hydraulic actuator systems equipped with a proportional directional control valve.
Raja Rout, Ashok Kumar Kumawat
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Design criterion to select adequate control algorithm for electro-hydraulic actuator applied to rocket engine flexible nozzle thrust vector control under specific load [PDF]
FME Transactions, 2013 The paper presents the challenge of finding the best criterion in selecting adequate control algorithm for electro-hydraulic actuator with a defined load.
Nauparac Dragan B. +4 more
doaj
Communications, 2021 The presented work was directed to develop the dynamic performance of an electro-hydraulic proportional system (EHPS). A mathematical model of the EHPS is presented using electro- hydraulic proportional valve (EHPV) by Matlab-Simulink, which facilitates ...
Ezz Eldin Ibrahim +3 more
doaj +1 more source