Results 91 to 100 of about 4,945 (206)

Modeling and fault tolerant control of an electro-hydraulic actuator [PDF]

, 2016
In the modern industry, electro-hydraulic actuators (EHAs) have been applied to various applications for precise position pressure/ force control tasks.
Ahn, Kyoung Kwan, Chowdhury, Puja, Das, Debdatta, Nahian, Syed Abu, Truong, Dinh Quang   +4 more
core   +1 more source

Degradation Identification of an EHA Piston Pump by Analysis of Load-Holding States

Fluids
In pursuit of advancing the development of more electric aircraft, the present research explores the forefront capabilities of electro-hydrostatic actuators (EHAs) as potential replacements for conventional hydraulic flight control systems.
Yannick Duensing, Amos Merkel, Katharina Schmitz   +2 more
doaj   +1 more source

Optimal energy-saving controller design for an electro-hydrostatic actuator integrated into a wheel loader

Advances in Mechanical Engineering
Electrifying non-road mobile machinery is vital for reducing emissions and improving energy efficiency. Replacing conventional hydraulic systems with electro-hydrostatic actuators is a key step in this transition.
Baoyan Hu, Jian Fu, Yandu Fan, Zheng Fu
doaj   +1 more source

Fluid power products, including aerospace : 2003 [PDF]

, 2004
Current industrial report.

core  

A Machine Learning Model of Electro-Hydrostatic Actuators With the Low-Data Limit and Its Application to Fault Detection

IEEE Access
This paper presents a novel approach for modeling the dynamics of electro-hydrostatic actuators (EHAs) using the sparse identification of nonlinear dynamics (SINDy) algorithm. SINDy is a machine learning algorithm that identifies governing equations from
Soleiman Hosseinpour, Witold Kinsner, Nariman Sepehri   +2 more
doaj   +1 more source

NONLINEAR MODELING AND CONTROL DESIGN OF ELECTRO-HYDROSTATIC ACTUATOR

Proceedings of the JFPS International Symposium on Fluid Power, 2008
In this paper, a typical architecture of Electro-Hydrostatic Actuator (EHA) is described and modeled by the block diagram based on mathematic equations, which is a nonlinear accuracy model. The single PID, cascade PID and state feedback controllers are respectively designed and applied to this model for comparison analysis that focused on system ...
Rongjie KANG, Jean Charles MARE, Zongxia JIAO   +2 more
openaire   +2 more sources

An Integrated Strategy for Interpretable Fault Diagnosis of UAV EHA DC Drive Circuits Under Early Fault and Imbalanced Data Conditions

Drones
Faults in the DC drive circuit of UAV electro-hydrostatic actuators directly affect the flight safety of a UAV. An integrated learning and Bayesian network-based fault diagnosis strategy is proposed to address the problems of early fault diagnosis, poor ...
Yang Li, Zhen Jia, Jie Liu, Kai Wang, Peng Zhao, Xin Liu, Zhenbao Liu   +6 more
doaj   +1 more source

Determining structural performance [PDF]

An overview of the methods and concepts developed to enhance and predict structural dynamic characteristics of advanced aeropropulsion systems is presented. Aeroelasticity, vibration control, dynamic systems, and computational structural methods are four
Brown, Gerald, Dirusso, Eliseo, Ernst, Michael A., Fleming, David, Janetzke, David, Kascak, Albert, Kaza, Krishna, Kielb, Robert, Kiraly, Louis J., Lawrence, Charles   +9 more
core   +1 more source

Research on Parameter Tuning of Electro-Hydrostatic Actuator Position Sliding Mode Controller Based on Enhanced Dynamic Sand Cat Search Optimization Algorithm

Energies
This paper proposes an Enhanced Dynamic Sand Cat Search Optimization algorithm (EDSCSO) designed to address the high-order nonlinearities and strong coupling issues in the parameter tuning of the position sliding mode controller for electro-hydrostatic ...
Weibo Li, Shuai Cao, Xiaoqing Deng, Junjie Chen, Hao Zhang   +4 more
doaj   +1 more source

Pathway to the PiezoElectronic Transduction Logic Device

, 2015
The information age challenges computer technology to process an exponentially increasing computational load on a limited energy budget - a requirement that demands an exponential reduction in energy per operation.
Armstrong, C., Bryce, B. A., Copel, M., Elmegreen, B. G., Gordon, M. S., Haensch, W., Hung, L. -W., Keech, R., Kuroda, M. A., Liu, X. -H., Martyna, G. J, Miyazoe, H., Newns, D. M., Reuter, K. B., Rossnagel, S. M., Schrott, A. G., Shaw, T. M., Shett, S., Solomon, P. M., Theis, T. N., Trolier-McKinstry, S.   +20 more
core   +2 more sources