Results 141 to 150 of about 290 (181)

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 Mare   +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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Study on nonlinear PID control for electro-hydrostatic actuator

Proceedings of 2014 IEEE Chinese Guidance, Navigation and Control Conference, 2014
The structure and working principle of Electro-hydrostatic Actuator was analyzed in this paper. And a mathematical model based on the transfer function was given. The paper analyzed the influence of the electric motor and hydraulic section on the EHA system performance. A nonlinear block diagram model based on the Simulink was established in this paper.
Jizhong Fan, Dongyao Ling, Zhiyong Tang, Zhongcai Pei   +3 more
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Characterization of aircraft electro hydrostatic actuator using virtual instrumentation

2014 IEEE International Conference on Smart Instrumentation, Measurement and Applications (ICSIMA), 2014
In Aerospace industry, implementation of Automated Test System (ATS) at the assembly and manufacturing floor improves characterization accuracy and plays a vital role to substantiate the airworthiness of the aircraft components. It is very useful in realizing high quality standards of aircraft components by virtue of meeting predefined acceptance test ...
Karthik SP, Vijay Desai, Yogananda V. Jeppu   +2 more
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Multi-discipline simulation of electro-hydrostatic Actuator with Modelica

CSAA/IET International Conference on Aircraft Utility Systems (AUS 2018), 2018
The electro-hydrostatic actuator (EHA) is replacing the traditional hydraulic actuator to become an important part of the aircraft hydraulic system, because of its power by wire, easy maintenance and high reliability. But the application of EHA is limited by its disadvantage of heat dissipation. Therefore, it is necessary to establish the thermodynamic
null Min Gu, null Shuai Wu, null Chunfang Li, null Zongxia Jiao, null Tao Yang   +4 more
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Reliability of Different Loads on Electro Hydrostatic Actuator

2019
Electro Hydrostatic Actuators (EHA) is emerging as a viable option for industrial machine builders. The design combines the technologies of both electro-mechanical and electro-hydraulic systems. The major applications are in aerospace, robotics and automation industry etc. EHA system is an emerging technology.
Aravindkumar D. Kotagond, Somashekhar S. Hiremath, M. A. Kamoji   +2 more
openaire   +1 more source

Hydraulic circuit analysis for the electro-hydrostatic actuator system

2016 16th International Conference on Control, Automation and Systems (ICCAS), 2016
An Electro-Hydrostatic Actuator(EHA) is a kind of a closed loop system using bi-directional hydraulic pump and cylinder assembly, and is used to control the position of the aircraft and the missile. The EHA is also applied to the leisure field such as roof control of an automobile, wing body and power gate control of a special vehicle and tilting ...
So-Nam Yun, Jung-Ho Park, Sung-Soo Lee, Choong-Mok Yoo   +3 more
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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   +6 more
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Screw pump for Electro-Hydrostatic Actuator that enhances backdrivability

2011 11th IEEE-RAS International Conference on Humanoid Robots, 2011
Force sensitivity and backdrivability are vital functionality of actuators to be used in robots that physically interact with humans. Electro-Hydrostatic Actuator (EHA) is a type of a hydraulic actuator with backdrivability. To improve backdrivability of an EHA, reduction of friction, especially static friction is important. This, however, is difficult
Hiroshi Kaminaga, Hirokazu Tanaka, Kazuki Yasuda, Yoshihiko Nakamura   +3 more
openaire   +1 more source

Multidisciplinary modeling method and simulation for Electro-Hydrostatic Actuator

2010 5th IEEE Conference on Industrial Electronics and Applications, 2010
Electro-Hydrostatic Actuator (EHA) is an integrated system whose performance is related to many disciplines, such as electrics, mechanics, hydraulics and control. In order to achieve the performance optimization, the best way is to balance the multidisciplinary and realize the integrated optimization.
Kai Li, Shaoping Wang
openaire   +1 more source