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Improving the efficiency of valve-controlled systems by using multi-chamber actuators
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-2781-3752
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-3877-8147
Volvo Construction Equipment.
Universidade Federal de Santa Catarina.ORCID iD: 0000-0002-1860-3104
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2021 (English)In: Proceedings of the 17:th Scandinavian International Conference on Fluid Power, SICFP’21, June 1-2, 2021, Linköping, Sweden / [ed] Petter Krus, Liselott Ericson och Magnus Sethson, Linköping, Sweden: Linköping University Electronic Press, 2021, Vol. 182, p. 224-236Conference paper, Published paper (Refereed)
Abstract [en]

This paper outlines how multi-chamber actuatorscan improve the efficiency of valve-controlled systems.Resistive control is a major source of energy losses invalve-controlled systemsthat share the same pumpto drive multiple loads. In the proposed concept, by selectingdifferent chambers,the load on the multi-chamber actuator can be transformed into different pressure and flow rate levels, allowingthe adaptation of its load to the loads on otheractuators. Thiscan lead to a reduction of resistive control energy losses that occur between pump and actuatorswhen driven simultaneously.Suchsystemsareseen as an intermediate solution between resistive conventionalhydraulics and throttle-less digital hydraulics. As a casestudyto highlight the possible efficiency improvement, a concept of a load sensing system with a conventional and a multi-chamber actuatoris analysed. To determine itsefficiency,the equations that describe its static behaviour are presented. Evaluating them for a set ofload forces and speeds demonstrates how the load transformation occursand how it canimprove efficiency.

Place, publisher, year, edition, pages
Linköping, Sweden: Linköping University Electronic Press, 2021. Vol. 182, p. 224-236
Series
Linköping Electronic Conference Proceedings, ISSN 1650-3686, E-ISSN 1650-3740 ; 182
Keywords [en]
Digital fluid power, multi-chamber actuators, throttling losses
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:liu:diva-183185DOI: 10.3384/ecp182ISBN: 9789179290139 (print)OAI: oai:DiVA.org:liu-183185DiVA, id: diva2:1640630
Conference
The 17th Scandinavian International Conference on Fluid Power, SICFP’21, May 31 –June 2, 2021, Linköping, Sweden
Funder
Swedish Energy Agency, P49119-1Available from: 2022-02-25 Created: 2022-02-25 Last updated: 2024-08-28

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Publisher's full texthttps://ecp.ep.liu.se/index.php/sicfp/issue/view/7

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Raduenz, HenriqueEricson, LiselottHeybroek, KimKrus, Petter

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Raduenz, HenriqueEricson, LiselottHeybroek, KimDe Negri, Victor J.Krus, Petter
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Fluid and Mechatronic SystemsFaculty of Science & Engineering
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