Results 1 to 10 of about 294 (153)
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
doaj +5 more sources
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
doaj +2 more sources
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
doaj +2 more sources
Active Load-Sensitive Electro-Hydrostatic Actuator for More Electric Aircraft
Applied Sciences (Switzerland), 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.
Zongxia Jiao, Tian Yu, Ligang Huang
exaly +3 more sources
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
doaj +3 more sources
RISE-Based Composite Adaptive Control of Electro-Hydrostatic Actuator with Asymptotic Stability
Machines, 2021 The electro-hydrostatic actuator (EHA), the actuator of electric drive and hydraulic transmission, is competitive since it is small in size, light in weight and high in power density.
Wenxiang Deng +2 more
exaly +3 more sources
Actuators, 2022 The electro-hydrostatic actuator (EHA) is the key component of most electric aircraft, and research on its fault diagnosis technology is of great significance to improve the safety and reliability of aircraft flight.
Haitao Qi, Dong-Ao Zhao
exaly +3 more sources
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
doaj +2 more sources
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 ...
Tatiana Minav +2 more
exaly +3 more sources
Position tracking control of electro-hydrostatic actuators via adaptive finite-time backstepping and state observation [PDF]
Scientific ReportsIn this paper, the adaptive finite-time backstepping control approach is proposed for electro-hydrostatic actuator with symmetrical cylinder (EHSC) under the unmeasured states and disturbances.
Van Du Phan +3 more
doaj +2 more sources