Results 11 to 20 of about 343,795 (193)
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
doaj +3 more sources
Machines, 2022 This paper presents a disturbance-observer-based sliding mode control strategy for an underwater electro-hydrostatic actuator, particularly considering that electro-hydrostatic actuators (EHAs) significantly suffer from sea pressure disturbance, which ...
Yong Nie +6 more
doaj +2 more sources
Mathematics, 2021 In the existing literature, studies on position controller design using only position feedback, considering the disturbances for single-rod electro-hydrostatic actuators (EHAs), have not been reported.
Wonhee Kim
exaly +3 more sources
ActuatorsThe development of the electrification of aircraft has prompted aviation hydraulic systems to shift from traditional centralized valve actuators (CVAs) to electro-hydrostatic actuators (EHAs).
Yijie Lu
exaly +3 more sources
Machines, 2023 The wheel-legged robot combines the functions of wheeled vehicles and legged robots: high speed and high passability. However, the limited performance of existing joint actuators has always been the bottleneck in the actual applications of large wheel ...
Junjie Zhou, Lijin Han
exaly +3 more sources
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.
Zongxia Jiao, Junhui Zhang, Qun Chao
exaly +3 more sources
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.
Chengwei Tong
exaly +3 more sources
Research on Dual-Variable Integrated Electro-Hydrostatic Actuator [PDF]
Chinese Journal of Aeronautics, 2006 AbstractThe integrated electro-hydrostatic actuator (EHA) with variable displacement and variable rotation speed is researched. In the system, the output of the actuator is changed by controlling the rotation speed of the brushless DC servomotor and the displacement of the servopump. The mathematical model described in state space model is created. The
GAO, Bo +3 more
openaire +2 more sources
Actuation system design with electrically powered actuators [PDF]
, 2011 This project addresses the actuation system architecture of future All-electric aircraft (AEA) with electrically powered actuators (EPA). Firstly, the information of EPAs is reviewed, and then an electro-hydrostatic actuator (EHA) and electro ...
Meng, Fanliang
core +7 more sources
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
doaj +1 more source