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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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Energies, 2022 This work presents some numerical simulations, performed using AMESim software, for a system composed by two redundant servo-actuators. Certain operating conditions are taken into account for these two electro-hydrostatic servo-actuators, which are ...
Liviu Dinca +4 more
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Novel Concept for Electro-Hydrostatic Actuators for Motion Control of Hydraulic Manipulators
Energies, 2021 Self-contained hydraulic cylinders have gained popularity in the recent years but have not been implemented for high power articulated hydraulic manipulators.
Konrad Johan Jensen +2 more
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Actuators, 2022 Electro-hydrostatic actuators (EHAs) are expanding their application fields due to their combined advantages of electric and hydraulic actuation.
Tuanhui Guo +3 more
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Biomimetic Linkage Mechanism Robust Control for Variable Stator Vanes in Aero-Engine [PDF]
BiomimeticsThis work addresses the position tracking control design of the stator vane driven by electro-hydrostatic actuators facing uncertain aerodynamic disturbances.
Qinqin Sun +3 more
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Intelligent Health Assessment of Aviation Bearing Based on Deep Transfer Graph Convolutional Networks under Large Speed Fluctuations [PDF]
Sensors, 2023 As a critical support and fixed component of aero engines, electro-hydrostatic actuators, and other equipment, the operation of aviation bearings is often subject to high speed, high-temperature rise, large load, and other continuous complex fluctuation ...
Xiaoli Zhao +7 more
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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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Dynamically Weighted Spatiotemporal Fusion for Deep Learning-Based Prediction of EHA Degradation in Aviation Systems [PDF]
SensorsElectro-hydrostatic actuators (EHAs) are increasingly deployed in modern aircraft due to their compact size, fast response, and high power-to-weight ratio.
Tianyuan Guan +7 more
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MathematicsThe first quarter of the 21st century has witnessed many technological innovations in various sectors. Likewise, the COVID-19 pandemic triggered the acceleration of digital transformation in organizations driven by artificial intelligence and ...
Roman Rodriguez-Aguilar +2 more
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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, and heavy loads, condition monitoring and fault diagnosis of its hydraulic system are particularly ...
Lei Zhufeng +4 more
openaire +2 more sources