Results 41 to 50 of about 349 (175)
Advances in Mechanical Engineering, 2016 Many multi-axle applications use electro-hydraulic control systems with proportional valves. The proportional steering system can satisfy common engineering requirements, but it is likely to fail if the steering angle or load changes drastically because ...
Heng Du, JianHua Wei, JinHui Fang
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Integrated Design and Prototyping of a Robotic Head for Ocular and Craniofacial Trauma Simulators
The International Journal of Medical Robotics and Computer Assisted Surgery, Volume 21, Issue 1, February 2025.ABSTRACT Background Medical simulation is relevant for training medical personnel in the delivery of medical and trauma care, with benefits including quantitative evaluation and increased patient safety through reduced need to train on patients. Methods This paper presents a prototype medical simulator focusing on ocular and craniofacial trauma (OCF ...
Marcello Gallerani +4 more
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Advances in Mechanical Engineering, 2019 Electro-hydraulic servo-valves play key roles in modern electro-hydraulic power systems in many industrial applications. As one of the widely used hydraulic servo-valves, cavitation in the flapper-nozzle servo-valve could produce deleterious effects of ...
He Yang, Wen Wang, Keqing Lu
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IET Electric Power Applications, Volume 19, Issue 1, January/December 2025.This article proposes a novel model predictive control (MPC) strategy for a triaxial servo system with the capability of suppressing multiple disturbances. The discrete state‐space model is built for a triaxial servo system, considering nonlinear disturbances as constraints, and Q‐learning algorithm is used to identify the parameters of the nonlinear ...
Qian Zhang +3 more
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ActuatorsThe electro-hydraulic servo valve is a critical component that transforms electrical signals into hydraulic signals, thereby controlling the hydraulic system. It finds extensive application in precision control systems.
Tong Li +4 more
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Research on structure decoupling of passive electro-hydraulic force servo system
Advances in Mechanical Engineering, 2018 In order to study the strong force/position coupling problem of passive electro-hydraulic force servo system, taking the valve control swing motor of passive electro-hydraulic force servo system as an object, a new principle of structure coupling is ...
Geqiang Li +4 more
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Real Time Simulation Study of DEH for Digital Twin Steam Turbine Generators
IET Generation, Transmission &Distribution, Volume 19, Issue 1, January/December 2025.The article introduces a new method using digital twin technology to model the digital electro‐hydraulic (DEH) system mathematically, enhancing its comprehensiveness and flexibility. It establishes a mathematical model of the DEH system and simulates its performance under various conditions. The RT‐Lab platform is used to create a simulation testbed to
Yiwei Zhou +5 more
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H∞ Control for a Secondary Regulation Electro‐Hydraulic Drive System of Robot Mobile Platform
International Journal of Intelligent Systems, Volume 2025, Issue 1, 2025.The secondary regulation hydrostatic transmission technology and H∞ control are applied to the mobile platform of the robot in this paper. The H∞ control system and the secondary regulation electro‐hydraulic drive system of the mobile platform are designed.
Faye Zang, Xiujie Yin, Richard Murray
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Actuators, 2023 The feedback spring rod of the armature assembly was eliminated in the double-redundancy electro-hydraulic servo valve (DREHSV), which employed a redundant design in contrast to the typical double-nozzle flapper electro-hydraulic servo valve (DNFEHSV ...
Qiuhui Liang +4 more
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Periodic Flows in Microfluidics
Small, Volume 20, Issue 50, December 12, 2024.This paper comprehensively reviews periodic flows in microfluidics, including their fundamentals, generation techniques, and applications. The theoretical fundamentals of periodic flows are explained using the hydraulic‐electric analogy and study the working principles of various periodic flow generation techniques.
Amith Mudugamuwa +9 more
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