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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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Research on Fault Diagnosis Method of Electro-Hydrostatic Actuator [PDF]
Shock and Vibration, 2021 Electrohydrostatic actuator is a type of actuator that uses hydraulic energy as the energy transmission carrier, which has the advantages of small size and high power. Since it is commonly used in harsh conditions such as strong vibration, high pressure,
Lei Zhufeng +4 more
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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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Thermal Characteristic and Analysis of Electro-Hydrostatic Actuator
IEEE AccessElectro-hydrostatic actuators (EHAs) are widely utilized due to their superior integration and high power-to-weight ratio. However, the elimination of a centralized oil source in EHAs restricts the cooling capacity of the system, leading to potential ...
Jiahui Liu +6 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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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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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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Studies on the Thermal Behavior of an Electro-Hydrostatic Servo Actuator
ActuatorsThis paper presents a study on the thermal behavior of an electro-hydrostatic servo actuator designed to actuate the ailerons of an airliner. The considered servo actuator was designed using existing commercial off-the-shelf components (electric motor ...
Liviu Dinca +4 more
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Study of the Dynamic Properties of the Miniature Electro-Hydrostatic Actuator
MachinesThe electro-hydrostatic actuator (EHA) is a new type of high-performance servo actuator that originated in the field of aerospace, and it is gradually becoming a common basic component for various types of large equipment.
Yiqiang An +5 more
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Refined Modeling Method and Analysis of an Electromagnetic Direct-Drive Hydrostatic Actuation System
Actuators, 2022 The hydrostatic actuation system based on linear actuators improves the complex piston force and long transmission path of the traditional electro-hydrostatic actuator (EHA).
Jiayu Lu +5 more
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