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Noise reduction by means of non-uniform placement of pistons in a fluid power machine
Linköping University, Department of Management and Engineering, Fluid and Mechanical Engineering Systems. Linköping University, The Institute of Technology.
Pump and Motor Division, Parker Hannifin Corp., Flygmotorv. 2, 461 82 Trollhättan, Sweden.
Linköping University, Department of Management and Engineering, Fluid and Mechanical Engineering Systems. Linköping University, The Institute of Technology.
2010 (English)In: Proceedings of the ASME Dynamic Systems and Control Conference 2009, DSCC2009, 2010, no PART B, 1293-1300 p.Conference paper, Published paper (Refereed)
Abstract [en]

In conventional machines, the pulsations are periodic and originate from the uniform placement of a given number of pistons. This paper discusses the possibilities to introduce non-uniform placement of the pistons. The pulsations periodicity is thus changed, which can have a major impact on the noise level and how the noise is experienced. A number of approaches are presented, evaluated and ranked and the usefulness of the modifications is assessed. This study employs a transfer function methodology to map simulated internal pump dynamics, such as piston forces and bending moments, to audible noise. Using these transfer functions, it is possible for instance to predict how changed valve plate timing affects simulated piston forces and bending moments and in turn how this will affect audible noise. Copyright © 2009 by ASME.

Place, publisher, year, edition, pages
2010. no PART B, 1293-1300 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-59095ISBN: 978-0-7918-3860-0 (print)OAI: oai:DiVA.org:liu-59095DiVA: diva2:352418
Conference
2nd Annual Dynamic Systems and Control Conference October 12-14, Hollywood, CA, USA
Available from: 2010-09-21 Created: 2010-09-09 Last updated: 2017-10-30

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Ericson, LiselottPalmberg, Jan-Ove

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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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