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1976
Electrohydraulic systems use low-power electrical signals (of less than say 1 W) for precisely controlling the movements of large power hydraulic pistons and motors (which may be rated at say 10 hp—7460 W—or more). The ‘interface’ between the electrical (control) equipment and the hydraulic (power) equipment is the so-called ‘electrohydraulic servo ...
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Electrohydraulic systems use low-power electrical signals (of less than say 1 W) for precisely controlling the movements of large power hydraulic pistons and motors (which may be rated at say 10 hp—7460 W—or more). The ‘interface’ between the electrical (control) equipment and the hydraulic (power) equipment is the so-called ‘electrohydraulic servo ...
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High-response electrorheological servo valve
Journal of Intelligent Material Systems and Structures, 2019The demand of more powerful and high-dynamic hydraulic actuators gives the servo valve as a control member an increasingly important role. The valve should provide the hydraulic actuator with sufficient volume flow over wide frequency range to achieve large strains at high operating frequencies.
Helge Heinken +3 more
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Iterative Learning Control of Double Servo Valve Controlled Electro Hydraulic Servo System
2011 Seventh International Conference on Computational Intelligence and Security, 2011Aimed at electro-hydraulic servo force control system, according to the nonlinear of electric-hydraulic servo valve, to improve the speed of equivalent valve response, we propose the double electric-hydraulic servo valve parallel control, and two servo valve are controlled by their respective controller, the same signal inputs two controller, every ...
Shaojuan Yu, Junjun Song
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Study on measure and pairing algorithm of servo valve nozzles
2016 13th International Conference on Ubiquitous Robots and Ambient Intelligence (URAI), 2016Electro-hydraulic servo valve, which is a key component of electro-hydraulic servo control system to control the hydraulic actuator, connects the electric part and hydraulic part of the system. Both nozzles and orifice parts are important parts of the servo valve, and the flow characteristics measured under differential pressure is directly related to ...
Xudong Pan +3 more
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Double-Orifices Pneumatic Servo Valve
2019Pneumatic servo valve is the core component of pneumatic servo system. Pneumatic servo valve can be divided into one-side pneumatic servo valve, two-side pneumatic servo valve, and four-side pneumatic servo valve according to the number of throttling edges. There are three kinds of coordination states in axial size of even number of throttling orifices
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Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2023
Junting Lu, Haibo Xie, Yunmin Chen
exaly
Junting Lu, Haibo Xie, Yunmin Chen
exaly
Pneumatic Servo Valve with Negative Overlaps
2019There are three kinds of axial overlap between pneumatic servo valve spool and valve sleeve, namely positive overlap, zero overlap, and negative overlap. Positive overlap, also known as negative opening state, refers to the width of spool shoulder is larger than the width of valve sleeve groove, geometrically forming a positive overlap, negative ...
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HYDRAULIC SERVO CONTROL VALVES. PART 4. REASEARCH ON SERVO VALVES AND SERVO SYSTEMS
1957Phillip A. Weiss +2 more
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High-response electrorheological servo valve
Journal of Intelligent Material Systems and Structures, 2020Helge Heinken, Rainer Bruns
exaly