Results 71 to 80 of about 249,552 (211)

Analysis of the jet pipe electro-hydraulic servo valve with finite element methods

open access: yesMATEC Web of Conferences, 2018
The dynamic characteristics analysis about the jet pipe electro-hydraulic servo valve based on experience and mathematical derivation was difficult and not so precise.
Kaiyu Zhao   +4 more
doaj   +1 more source

Low friction servo valve [PDF]

open access: yes, 1968
Valve was developed using air bearings which provide frictionless operation. The servo valve is of the flat plate type with rectangular meter openings. Fluid bearings support the metering plate.
Dustin, M. O.
core  

An accessible microfluidic perfusion platform for time‐restricted control of zebrafish embryonic patterning

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Understanding the dynamic nature of developmental networks requires live imaging techniques capable of capturing real‐time developmental processes in wild‐type and mutant embryos as they are exposed to pharmacological perturbations. A peculiar developmental patterning process in early vertebrate embryos is the sequential segmentation of ...
Mohammed Nakhuda, M. Fethullah Simsek
wiley   +1 more source

Application of Modelica/MWorks on modeling, simulation and optimization for electro-hydraulic servo valve system [PDF]

open access: yes, 2012
Electro-hydraulic servo valve is a typical complicated multi-domain system constituted by mechanical, electric, hydraulic and magnetic components, which is widely used in electro-hydraulic servo systems such as construction machinery, heavy equipment ...
Liu, Jinyang   +4 more
core   +1 more source

DEVELOPMENT OF LINEAR MOTOR SERVO VALVE

open access: yesProceedings of the JFPS International Symposium on Fluid Power, 1996
Primarily in use at present is the nozzle flapper type servo valve providing with a torque motor.It is not in all cases appropriate for construction machines requiring large flow, owing to small control flow of the nozzle flapper.To deal with this situation, the linear motor servo valve using a magnet for a proportional solenoid has been developed.By ...
Ichiryu, Ken   +2 more
openaire   +2 more sources

A Semi‐Automated Microfluidic Platform Employing Machine Learning Analysis to Study Adhesion Kinetics in Acute Myeloid Leukemia

open access: yesMicroscopy Research and Technique, EarlyView.
We have developed a semi‐automated shear flow platform using bright‐field optics and a machine‐learning analysis algorithm to dissect tumor‐microenvironment interactions. The algorithm quantifies the extent of adhesion at the single‐cell level and delivers consistent results within minutes instead of hours, facilitating high‐throughput analysis ...
Driti Ashok   +7 more
wiley   +1 more source

Robust Position Control of an Electro‐Hydraulic Actuator via Metaheuristic Optimization of a Fractional‐Order PID Controller

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT In this study, a robust position control strategy is presented for a two‐stage electro‐hydraulic actuator system using a fractional‐order proportional–integral–derivative (FOPID) controller tuned by Kirchhoff's law algorithm (KLA). Electro‐hydraulic systems exhibit strong nonlinearities, parameter uncertainties, and external disturbances ...
Ridvan Firat Cinar   +8 more
wiley   +1 more source

Design, Analysis, and Experimental Validation of a Variable‐Gap Magnetorheological Damper for Seat Suspension

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT To address the dual challenges of routine driving vibration and impact loads in vehicle seat suspensions, a novel variable‐gap magnetorheological damper (VGMRD) is proposed. By combining a tapered piston with a conformal variable‐diameter cylinder, stroke‐dependent, dual‐mode damping characteristics are achieved without the need for complex ...
Min Wei   +4 more
wiley   +1 more source

Perancangan dan Penerapan Driver Servo Valve pada Modul Elektro Hidrolik Servo Mechanism EHS160 [PDF]

open access: yes, 2018
Servo valve hidrolik adalah valve yang berfungsi untuk mengatur oli yang akan masuk pada ruang hidrolik dan digunakan untuk mengendalikan arah dan besar pergerakan dari aktuator hidrolik suatu peralatan.
AL FADANI, MUHAMMAD FACHRUDIN
core  

Real‐Time Fractional Control of an Electrohydraulic System Using Low‐Cost Technology

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Advances in control methods for electrohydraulic systems (EHS) improve performance by addressing nonlinearities and unknown parameters, although most studies are limited to numerical simulations. Furthermore, research with experimental validation often relies on high‐performance computing equipment, specialized data acquisition cards, and ...
Edgar H. Robles‐Sauceda   +5 more
wiley   +1 more source

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