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Design Rules for High Damping in Mobile Hydraulic Systems
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Fluida och mekatroniska system. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Fluida och mekatroniska system. Linköpings universitet, Tekniska högskolan.
2013 (engelsk)Inngår i: 13th Scandinavian International Conference on Fluid Power, Linköping University Electronic Press, 2013, s. 13-20Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

This paper analyses the damping in pressure compensated closed centre mobile working hydraulic systems. Both rotational and linear loads are covered and the analysis applies to any type of pump controller. Only the outlet orifice in the directional valve will provide damping to a pressure compensated system. Design rules are proposed for how the system should be dimensioned in order to obtain a high damping. The volumes on each side of the load have a high impact on the damping. In case of a small volume on the inlet side, the damping becomes low. However, the most important thing is to design the outlet orifice area properly. There exists an optimal orifice dimension for maximized damping; both smaller and larger orifice areas give lower damping independently of the volumes. This paper presents a method to dimension the outlet orifice area and the load volumes in order to obtain a desired system damping. Experimental results, which confirm the theoretical expectations, are also presented. The conclusions are that it is possible to obtain a high damping contribution from the outlet orifice if the system is dimensioned correctly. However, the energy efficiency needs to be considered while improving the damping

sted, utgiver, år, opplag, sider
Linköping University Electronic Press, 2013. s. 13-20
Serie
Linköping Electronic Conference Proceedings, ISSN 1650-3686, E-ISSN 1650-3740 ; 92
Emneord [en]
Damping, compensator, outlet orifice, efficiency
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-100122DOI: 10.3384/ecp1392a2ISBN: 978-91-7519-572-8 (tryckt)OAI: oai:DiVA.org:liu-100122DiVA, id: diva2:659818
Konferanse
13th Scandinavian International Conference on Fluid Power, June 3-5, 2013, Linköping, Sweden
Tilgjengelig fra: 2013-10-28 Laget: 2013-10-28 Sist oppdatert: 2018-01-23bibliografisk kontrollert

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Design Rules for High Damping in Mobile Hydraulic Systems(597 kB)1011 nedlastinger
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Axin, MikaelKrus, Petter

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