Results 181 to 190 of about 10,283 (224)

Electro-Hydrostatic Actuator Modeling

Applied Mechanics and Materials, 2013
This paper demonstrates the modeling of an Electro-Hydrostatic Actuator prototype. The mathematical derivation of the physical model is reported.Parametric model was obtained through system identification.
Yu Song, S.R. Habibi
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Analysis for the power loss of electro hydrostatic actuator and hydraulic actuator

2015 IEEE International Conference on Advanced Intelligent Mechatronics (AIM), 2015
This article describes the difference between traditional airborne hydraulic actuator and electro hydrostatic actuator in heat dissipation. The power loss of the two systems are analyzed based on the method of energy transfer under different working conditions.
Wunong Hu, Lei Zhou, Yisong Tian, Zongxia Jiao, Yaoxing Shang, Zengning Song, Liang Yan 0001   +6 more
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Comparison of Controllers and Actuators Effect on Electro Hydrostatic Actuator

Applied Mechanics and Materials, 2019
Hydraulic actuators play a major role in aircraft flight actuation and control. Primary control systems in an aircraft typically control the components that guide an airplane during flight. Electro Hydrostatic Actuators (EHA) is emerging as a viable option for aerospace as well as industrial machine builders. It is an emerging technology which replaces
Aravindkumar D. Kotagond, Somashekhar S. Hiremath, M.A. Kamoji   +2 more
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Contractile Hydrostatically Coupled Dielectric Elastomer Actuators

IEEE/ASME Transactions on Mechatronics, 2012
The so-called hydrostatically coupled dielectric elastomer actuators (HC-DEAs) have recently been described as a means to improve versatility and safety of electroactive polymer actuators made of DEs. HC-DEAs use an incompressible fluid that mechanically couples a DE-based active part to a passive part interfaced to the load.
CARPI, FEDERICO, Frediani, Gabriele, Rossi, Danilo De   +2 more
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The Nonlinear Accuracy Model of Electro-Hydrostatic Actuator

2008 IEEE Conference on Robotics, Automation and Mechatronics, 2008
The electro-hydrostatic actuator (EHA) is a kind of power-by-wire (PBW) actuator. In this paper, a typical architecture of EHA is described and the block diagram model of EHA is established directly from the mathematic equations without transfer functions, which is a nonlinear accuracy model.
Rongjie Kang, Zongxia Jiao, Shuai Wu, Yaoxing Shang, Jean-Charles Maré   +4 more
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Backdrivability analysis of Electro-Hydrostatic Actuator and series dissipative actuation model

2010 IEEE International Conference on Robotics and Automation, 2010
Although backdrivability is recognized as an important property of actuators, this term is often used without clear definition. In order to design mechanisms with advanced controllability, it is important to understand the fundamental mechanism of backdrivability.
Hiroshi Kaminaga, Tomoya Amari, Yukihiro Katayama, Junya Ono, Yuto Shimoyama, Yoshihiko Nakamura   +5 more
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Dielectric elastomer actuators with hydrostatic coupling

SPIE Proceedings, 2009
The rapidly growing adoption of dielectric elastomer (DE) actuators as a high performance EAP technology for many kinds of new applications continuously opens new technical challenges, in order to take always the most from each adopted device and actuating configuration.
CARPI, FEDERICO, FREDIANI, GABRIELE, De Rossi, Danilo   +2 more
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Micro-Precision Hydrostatic Actuation System

Fluid Power Systems and Technology, 2005
This paper reports on an important discovery that is: hydrostatic actuation systems are able to manipulate heavy loads with sub-micron precision and large stroke. In this relation, the design of a high-precision hydrostatic actuation system referred to as the ElectroHydraulic Actuator (EHA) is presented.
S. R. Habibi, R. Burton, E. Sampson
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Modeling and Identification of an Electro-Hydrostatic Actuator

IFAC Proceedings Volumes, 2010
Abstract The aim of this paper is to develop an accurate model of an electro-hydrostatic actuator (EHSA) and to estimate the model parameters. The physical behavior of each components has been analyzed and a linear model has been obtained. Then, the cylinder friction phenomenon and the cylinder chambers volume variations have been considered and a ...
BELLOLI, DAMIANO, PREVIDI, FABIO, SAVARESI, SERGIO MATTEO, A. Cologni, M. Zappella   +4 more
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Test research of electro-hydrostatic actuator

AIP Conference Proceedings, 2019
Electro-hydrostatic actuator is a new type of actuator with high integration and complex structure. This paper introduces the working principle of the electro-hydraulic actuator, researches the test project of a certain type of product, and designs the test hydraulic system according to the test items and requirements, explains the test method in ...
Lisheng Yin, Keli Xing
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