Results 1 to 10 of about 534 (128)
The Design and Testing of a PEA Powered Ankle Prosthesis Driven by EHA [PDF]
Biomimetics, 2022 Several studies have shown that actuation concepts such as Serial elastic actuator (SEA) can reduce peak power and energy consumption in ankle prostheses.
Qitao Huang, Bowen Li, Hongguang Xu
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Design, Analysis, and Verification of an Electro- Hydrostatic Actuator for Distributed Actuation System [PDF]
Sensors, 2020 In order to provide a simplified and low-cost solution of the terminal for a distributed actuation system, this paper proposes an electro-hydrostatic actuator (EHA) based on the linear drive principle. The proposed actuator is directly driven by a linear
Yang Li, Zongxia Jiao, Zimeng Wang
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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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Development of Lower-Limb Wearable Robot with Single Acting Hydraulic Telescopic Cylinder Electro Hydrostatic Actuator (SAT-EHA) for Handling of Heavy Loads [PDF]
한국정밀공학회지, 2020 For years, crane, a chain block, an elevator and a forklift truck have been developed and used to carry heavy loads, but manpower needed where heavy equipment use is not practical.
Dong-Hyun Jeong +2 more
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Load-Sensing Pump Design to Reduce Heat Generation of Electro-Hydrostatic Actuator Systems
Energies, 2018 The electro-hydrostatic actuator (EHA) with variable pump displacement is considered to be a promising alternative to the currently popular EHA with fixed pump displacement in terms of heat reduction.
Qun Chao +5 more
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Actuators, 2020 This paper investigates energy efficiency and dynamic behavior through simulation and experiments of a compact electro-hydrostatic actuator system (EHA) consisting of an electric motor, external gear pump/motors, hydraulic accumulator, and differential ...
Thales Agostini +3 more
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Engineering Applications of Computational Fluid Mechanics, 2019 Raising the rotational speed of electro-hydrostatic actuator (EHA) pumps is a useful way to improve their power density. However, gaseous cavitation tends to occur in the displacement chambers at high speed, reducing the effective delivery flow rate of ...
Qun Chao +4 more
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Position control of Electro hydrostatic actuator (EHA) using a modified back stepping controller [PDF]
Journal of Drive and Control, 2012 D.N.C. Nam, J.I. Yoon, K.K. Ahn
exaly +2 more sources
Advances in Mechanical EngineeringThe load-sensing electro-hydrostatic actuator (LS-EHA) allows to reduce the thermal output and enhance the dynamic characteristics of the more electric aircraft (MEA).
Cun Shi +4 more
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Delay Analysis and the Control of Electro-Hydrostatic Actuators
Applied Sciences, 2022 The electro-hydrostatic actuator (EHA) has a high energy density and a compact structure so it is widely used in all/more electric aircraft. To gain energy-saving capability, the hydraulic lock can be applied in the EHA system, which can overcome the ...
Jiaming Zhang +4 more
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