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The Electro-Hydraulic Valvetrain System EHVS - System and Potential
SAE Technical Paper Series, 2005<div class="htmlview paragraph">The electro-hydraulic valvetrain system (EHVS) is one of the most flexible options to replace 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.</div> <div class ...
Dirk Denger, Karsten Mischker
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Some Aspects Dealing with Microprocessor Controlled Electro-Hydraulic Systems
IFAC Proceedings Volumes, 1980Abstract The paper reviews some specific aspects encountered in the design and optimisation of the particular software required by the automatic digital control of an electro-hydraulic system, which is used in an industrial robot. A direct digital control structure based upon a microprocessor hardware organisation of the control unit is found to be ...
I. Catana +2 more
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Design of single channel electro-hydraulic servo system
2011 6th IEEE Conference on Industrial Electronics and Applications, 2011In this paper an single channel electro-hydraulic servo system is designed to validate compare and explore different control schemes on restraining Additional Torque inherent in force loading system. Also it is discussed how to improve loading performance by improving the electronic circuit.
Wang Xin, Yan Daiwei
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ADR algorithm applied in electro-hydraulic servo system
Proceedings of 2011 International Conference on Electronic & Mechanical Engineering and Information Technology, 2011Electro-hydraulic servo system due to its unique characteristics of fast response, wide range of speed, big load stiffness, strong resistance to electro-magnetic interference, large power output, light weight, etc. is applied in various industries. It is hard to build its accurate models due to nonlinear effects in order that conventional algorithms ...
Manlin Long +3 more
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Electro-Hydraulic Control Systems for Subsea Applications
SPE European Spring Meeting, 1972Abstract This paper describes a versatile family of control systems for subsea BOP'S, wellheads, and valves. It also presents results of extensive shop and field tests including one serie conducted eight hundred feet below the water surface.
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Development of an Electro-Hydraulic Camless VVA System
SAE Technical Paper Series, 2007<div class="htmlview paragraph">Among variable valve actuation systems, fully flexible systems such as camless devices are the most attractive valvetrains for near-future engines. This paper presents a research activity about an electro-hydraulic camless system for internal combustion engines.
BATTISTONI, MICHELE +3 more
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Output feedback nonlinear control for electro-hydraulic systems
Mechatronics, 2012Abstract In this paper we present an output feedback nonlinear control for position tracking of electro-hydraulic systems (EHSs). Although previous nonlinear control methods improved the position tracking performance of EHS, all of the methods require full state feedback.
Wonhee Kim +3 more
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An optimal controller for an electro-hydraulic system
2016 16th International Conference on Control, Automation and Systems (ICCAS), 2016In this paper, an advanced controller is presented for position tracking control and minimizing control energy of an electro-hydraulic system. An index function is first formulated for the closed-loop performance. The optimal control input is then calculated based on the Taylor series expansion of the index function.
Dang Xuan Ba, Kyoung Kwan Ahn
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Robust Control of Electro-Hydraulic Servo System
2022 International Conference Automatics and Informatics (ICAI), 2022Georgi Mihalev +4 more
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Design of Embedded Electro-Hydraulic Servo Control System
2008 3rd International Conference on Innovative Computing Information and Control, 2008The design of embedded electro-hydraulic servo control system was proposed to realize remote control and communication of hydraulic units in industrial field. The specified method was given from the aspects of system structure, communication protocol, and software design, and was verified by a realistic application.
Jiangang Yi, Kuisheng Chen
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