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An LQ-Control Approach for Independent Metering Systems
Linköping University, Department of Management and Engineering, Fluid and Mechanical Engineering Systems . Linköping University, The Institute of Technology. (FluMeS)ORCID iD: 0000-0002-6371-1390
MCD Parker Hannifin AB.
Linköping University, Department of Management and Engineering, Fluid and Mechanical Engineering Systems . Linköping University, The Institute of Technology. (FluMeS)
2009 (English)In: 11th Scandinavian International Conference on Fluid Power, SICFP'09, Linköping, Sweden, 2nd-4th June, Linköping, 2009Conference paper, Published paper (Refereed)
Abstract [en]

This paper deals with the control of an individual metering fluid power system. There are a number of reasons to use individual metering technology, one is flexibility. In traditional valves there is a mechanical connection between the meter-in orifice and the meter-out orifice. By control this orifices individually one valve can be used in different applications without hard- ware modifications. Instead of change spool the software is changed. Since there are more control signals and thereby more outputs to control there is also an opportunity of improve- ments of the dynamics compared to a conventional system. In this paper an approach with LQ-technique is presented for improvements of system dynamics. Since all states in the sys- tem can not be measured a state observer is also considered in the control design. These work present simulations, implementations in a real world forwarder application and results from ve- rifying experiments.

Place, publisher, year, edition, pages
Linköping, 2009.
Keyword [en]
fluid power, independent metering, LQ, flow amplifying poppet (FAP), Valvistor, poppet valve, energy savings
Identifiers
URN: urn:nbn:se:liu:diva-52687OAI: oai:DiVA.org:liu-52687DiVA: diva2:284707
Available from: 2010-01-08 Created: 2010-01-08 Last updated: 2015-08-31

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