Measurements of a Novel Digital Hydraulic Valve Comprising a Cushioning Feature

Niels Christian Bender, Andreas Plöckinger, Poul Foschum, Bernd Winkler, Henrik C. Pedersen

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

4 Citationer (Scopus)


This article presents simulation data and measurements of a novel valve concept that features a soft landing concept. The purpose is to validate the design framework that has been applied to design the valve. The experimental results are obtained with a test rig manufactured specifically for this type of valve design. The validation includes studying the valves switching dynamics, cushion pressure dynamics, and movement-induced flow (MIF). The tests show that the tendencies are captured accurately although the exact magnitudes of forces do not match fully and a noticeable difference between simulated and measured plunger position is revealed. This amounts in a significant difference in the cushion pressure. Therefore, the pressure model is validated by using the measured lift and velocity derived hereof and this shows sufficient correspondence between the two pressures.
TidsskriftJournal of Dynamic Systems, Measurement and Control
Udgave nummer1
Antal sider11
StatusUdgivet - jan. 2020


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