Results 181 to 190 of about 1,090,030 (231)
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Extended sliding mode observer‐based high‐accuracy motion control for uncertain electro‐hydraulic systems

International Journal of Robust and Nonlinear Control, 2022
In this paper, a novel robust backstepping control strategy is introduced to achieve high‐accuracy tracking performance for electro‐hydraulic servo systems (EHSSs) without velocity information in the presence of uncertainties and disturbances.
Manh Hung Nguyen, Hoang Vu Dao, K. Ahn
semanticscholar   +1 more source

Developments at Electro‐Hydraulics

Aircraft Engineering and Aerospace Technology, 1966
RECENT developments at Electro‐Hydraulics Ltd. are in two categories: in component design and in solutions to basic hydraulic problems. Examples shown below are selected from a number of fairly recent component design details, followed by an outline of developments in seals and a summary of fatigue tests on hydraulic tubes.
openaire   +1 more source

An Independent Electro-Hydraulic Variable Speed Drive to Improve Energy Efficiency of Electric Wheel Loader Working System

IEEE Transactions on Vehicular Technology
Powertrain electrification is an effective solution to reducing emissions of construction machinery. However, working hydraulic system of existing electric wheel loaders are centralized load-sensing (LS) system.
Feng Wang   +4 more
semanticscholar   +1 more source

An improved method combined SMC and MLESO for impedance control of legged robots' electro-hydraulic servo system.

ISA transactions, 2022
The electro-hydraulic servo system (EHSS) drives the hydraulic quadruped robot, which has the advantages such as high load capacity, fast response velocity, and powerful motion ability.
Qixin Zhu   +5 more
semanticscholar   +1 more source

Electro-hydraulic linear actuator

2016 39th International Spring Seminar on Electronics Technology (ISSE), 2016
The paper presents an electro-hydraulic linear actuator used at Tuzla Sea Survival School on the Cabin Emergency and Escape Trainer CEET B732 developed by author, which implements their research about electro-hydraulic system driven by common PLCs.
Marian Blejan   +3 more
openaire   +1 more source

Artificial Intelligence Enabled Energy-Saving Drive Unit With Speed and Displacement Variable Pumps for Electro-Hydraulic Systems

IEEE Transactions on Automation Science and Engineering
In this paper, an artificial intelligence enabled energy-saving strategy (AIESS) is proposed to achieve high energy efficiency of hydraulic systems with a speed and displacement variable pump (SDVP). The AIESS, which integrates extreme gradient boosting (
Rui Jin   +6 more
semanticscholar   +1 more source

The electro-hydraulic valvetrain system

MTZ worldwide, 2004
The electro-hydraulic valvetrain system (EHVS) is one of the most flexible options for replacing the conventional mechanical camshaft by an electronically controlled actuator system. Thus, fully variable feeding and dissipation of the gases involved in the combustion process can be ensured.
Dirk Denger, Karsten Mischker
openaire   +1 more source

Applications of electro-hydraulics actuators

SoutheastCon 2016, 2016
Electro-hydraulic systems can be used in robust robotics systems that have to carry heavier loads efficiently. Electrical drives have proven to be reliable and easy to control, but they may have problems when it comes to holding a position under load for a long period of time.
Vukica Jovanovic   +3 more
openaire   +1 more source

An extended state observer-based control design for electro-hydraulic position servomechanism

, 2021
The electro-hydraulic servomechanism is widely used in marine vehicles due to its higher power density. However, the servomechanisms suffer from serious throttling loss which leads to its low efficiency, and the parameter uncertainty and disturbances ...
W. Shen, Chao Shen
semanticscholar   +1 more source

Modelling and simulation of an electro-hydraulic mining manipulator

Proceedings of International Conference on Robotics and Automation, 2002
A method for modelling an electrohydraulic system is presented in this paper. Without directly using the conventional linear models, accurate models for the electrohydraulic components have been constructed using the characterisation data provided by manufacturers and measurements obtained in the laboratory with a custom built electrohydraulic ...
Zheng D. Li   +2 more
openaire   +2 more sources

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