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Motion Control Concepts For The Hydraulic Infinite Linear Actuator
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-7598-8082
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-2315-0680
2016 (English)Conference paper (Refereed)
Abstract [en]

This contribution presents the novel Hydraulic Infinite Linear Actuator (HILA). It focuses on the control of motion and is based on simulation and analysis. The novel actuator consists of two symmetric double acting cylinders with a common piston rod and hydraulically detachable pistons. Alternatingly one cylinder engages and drives the load while the other retracts, the HILA thus works in a kind of rope climbing motion. The purpose of this contribution is to study the motion control of the HILA and to mimic the behaviour of a conventional cylinder. The HILA has three degrees of freedom which are temporarily coupled compared with one in a conventional cylinder. Further, the HILA with the chosen hydraulic system has two continuous and two digital control inputs. The challenge to be tackled is to combine the short stroke back and forth motions of the cylinders into a continuous smooth motion of the whole actuator. Results from simulations and analyses show that the investigated concepts can keep the jerk within acceptable limits for many applications.

Place, publisher, year, edition, pages
Florianópolis, Brazil: ASME Press, 2016. FPNI2016-1523
Keyword [en]
novel actuator, infinite linear stroke, cylinder, control
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:liu:diva-136125DOI: 10.1115/FPNI2016-1523ScopusID: 2-s2.0-85008258420ISBN: 978-0-7918-5047-3 OAI: oai:DiVA.org:liu-136125DiVA: diva2:1085244
Conference
ASME 2016 9th FPNI Ph.D Symposium on Fluid Power -- FPNI2016
Available from: 2017-03-28 Created: 2017-03-28 Last updated: 2017-04-07Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf