Results 101 to 110 of about 3,510 (216)
Majlesi Journal of Electrical EngineeringIn this paper, the Fuzzy PI controller is used to control the hydraulic servo-valves in Saba iron casting facility in Mobarakeh Steel Company. The electronic and control circuitry in the hydraulic servo-valves was damaged and the oil pressure sensor was ...
Mohammad Askari, Arash Daghighi
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Application of Direct Actuated Digital Servo Valve in Electrohydraulic Static Loading System
, 2011 Structure static testing is an important means to study the static characteristic of complex engineering structure. Electrohydraulic stactic loading system is the singnificant equipment of the testing.
Fa Ming Zhu, Sheng Li
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Research on Electro-Hydraulic Load Simulator Based on Building Model of Flow Press Servo Valve
, 2010 The model of flow press servo valve is built in this paper, during building the model, the author emphatically analyses the flow equation and force (torque) balance equation of every part of the valve, at the same time, all levels sub-models are organic ...
Gui Hua Han +3 more
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A numerical study of turbulent flow characteristics of servo‐valve orifices
, 1989 A numerical scheme based on the k—e turbulences model has been employed to determine turbulent flow characteristics of servo-valve orifices. Numerical predictions of flow patterns, flow coefficients and pressure variations within the valve orifice are ...
Banieghbal, M.R. +2 more
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Development of Low-Cost Pressure Control Type Quasi-Servo Valve Using Embedded Controller
, 2012 Today, the advanced age and less children society is growing up rapidly. The care and welfare equipment to support a nursing care and a self-reliance of the senior and the disabled are actively researched and developed by many researchers.
Moriwake, Yoshinori +3 more
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, 2011 Magnetic fluid (MF) shows an increased saturation magnetization when exposed to a magnetic field. In order to improve the quality of servo-valve products by depressing and overcoming the self-excited high-frequency pressure oscillations and noise ...
Jing Hui Peng +3 more
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, 2012 This paper uses INVENTER software to establish the model of main valve and the servo valve is simulated by FLUENT software. Then, the flow field model of the main valve spool on certain position is established and the possible effects on the hydraulic ...
Zhang, Peng +3 more
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Semi-empirical model for a hydraulic servo-solenoid valve
, 2002 High-performance proportional valves, also called servo-solenoid valves, can be used today in closed-loop applications that previously were only possible with servo-valves.
Fernando Gomes de Almeida +2 more
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Development of Small-Sized Digital Servo Valve for Wearable Pneumatic Actuator
, 2012 Recently, power assisted nursing care systems have received much attention and those researches have been done actively. In such a control system, an actuator and a control valve are mounted on the human body. Designing the system, the size and weight of
Matsushita, Hisashi +4 more
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Results in EngineeringThe armature assembly is the core component of servo valves, making its dynamic characteristics critical to both operational performance and stability studies - particularly requiring broadband multi-modal dynamic analysis for stability investigations ...
Kun Qiao +5 more
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