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Simulation and validation of a wobble plate pumpwith a focus on check valve dynamics
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-6839-6134
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-3877-8147
2018 (English)In: 2018 Global Fluid Power Society PhD Symposium (GFPS 2018): Samara, Russia 18-20 July 2018, 2018, article id 15Conference paper, Published paper (Refereed)
Abstract [en]

Digital hydraulic piston pumps that use electrically controlled on/off valves to individually control the flow from each piston is a promising technique as these pumps are highly efficient at part displacement and respond quickly. However, digital pumps can still use check valves on the inlet, a fact that makes analysing wobble plate pumps (WPP) and their check valves interesting. Here, we measured the cylinder pressures of a WPP and compared these results with results from a simulation model we developed. In addition, we used linear analysis to investigate how different design parameters affect the valve’s behaviour. From the measurements we found that the cylinder pressure is clearly affected the flow from other pistons and also that the system is not as stiff as expected. From the linear analysis, a criterion of how to design the valve to avoid instability was derived.

Place, publisher, year, edition, pages
2018. article id 15
Keywords [en]
wobble plate pump, digital pump, check valve, efficiency, pressure pulsations
National Category
Engineering and Technology Mechanical Engineering
Identifiers
URN: urn:nbn:se:liu:diva-155055DOI: 10.1109/GFPS.2018.8472400ISBN: 978-1-5386-4786-8 (print)ISBN: 978-1-5386-4785-1 (electronic)OAI: oai:DiVA.org:liu-155055DiVA, id: diva2:1295459
Conference
2018 Global Fluid Power Society PhD Symposium (GFPS 2018)
Projects
STEALTH – Sustainable Electrified Load HandlingAvailable from: 2019-03-11 Created: 2019-03-11 Last updated: 2019-03-11

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Kärnell, SamuelDell'Amico, AlessandroEricson, Liselott

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Kärnell, SamuelDell'Amico, AlessandroEricson, Liselott
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • Other style
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Language
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  • nn-NB
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Output format
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