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Experimental identification of a servo-valve parameters used for an electro-hydraulic servo-actuator development
In this paper ones followed to obtain a simplified mathematical model for an electro-hydraulic servo-valve and further to identify the parameters defined in this model, in order to use it in an electro-hydraulic servo-actuator development. The mathematical model concern only the stationary behavior of the servo-valve. There are briefly presented the schemes of the hydraulic test bench used in the laboratory, it is obtained the mathematical model of the servo-valve and there are determined the parameters involved in the mathematical model. The mathematical model uses some global parameters of the open center servo-valve used on the hydraulic test bench. Ones aimed to define some parameters which are easy to be identified and are enough representatives in the development process of a servo-actuator.
Key words: servo-valve; experimental development; numerical simulation; electrohydraulic servo-actuator, experimental results
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