Employing Analogue and Digital Solenoid Hydraulic Valves in Position Control System

F. Badr, Munaf

	Employing Analogue and Digital Solenoid Hydraulic Valves in Position Control System
Journal of Engineering and Sustainable Development
Article 1, Volume 16, Issue 3, 2012, Pages 269-286
Author
Munaf F. Badr
Abstract
During the last decades, the rapid advances in hydraulic valves involving their driver electrical circuit have made a physical integration of electro-hydraulic system. Such hardware architecture is widely employed in many industrial applications due to their ability to provide speed, high force and direction control. These procedures have been accomplished with considerably greater power/weight ratio and with the help of some simple components. Position control system with hydraulic actuators represents one of the most commonly technologies implemented in several industrial applications. The heart of this system is the hydraulic solenoid valve which can be subdivided into two categories, conventional and proportional valve. They are often packaged to provide both direction and flow control of hydraulic and can be classified as digital if the conventional hydraulic valve was implemented or analogue for proportional solenoid valves type. The objective of this work is to build a prototype electro-hydraulic system constructed from solenoid directional control valves as well as a double acting single ended hydraulic cylinder with limiting position electrical switches to meet the demands of position control system. Simulation has been carried out within the mathematical software package (Matlab / Simulink) to simulate the performance of the electro hydraulic proportional system and the model of the solenoid proportional valve have been introduced to investigate the performance of the employed position control system
Keywords
Solenoid Hydraulic Valves; Hydraulic cylinder; PID controller

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