Abstract
Aerodynamicists use wind tunnel to test models as well as for proposed aircraft components and engines. In order to keep these models fixed in place for testing, ground based equipment is essential. Electrohydraulic drives form the back bone of such type of mechanism which requires continuous motion for life time operations with controlled motion for start stop and bi-directional motion mechanisms. Focus of this paper is on systematic approach for optimal designing of a typical electrohydraulic drive that will provide roll motion to the testing model with emphasis on reliability of the system. This paper further highlights the design, selection, testing and qualification procedures of different elements of the drive and the electrohydraulic drive assembly as a whole.
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