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Processdatorsystem för tryckreglering
Linköping University, Department of Electrical Engineering.
2002 (Swedish)Independent thesis Basic level (professional degree)Student thesisAlternative title
Computer processing system for pressureregulation (English)
Abstract [en]

The task of this project was to build an computer processing system for pressureregulation, in which the pressure loss over the open hydrolicvalve should be kept as low as possible. By using an cross connected proportional directional valve the valve problem could be solved. The control- and regulationproblem for the pressureregulation system was solved by using the DAQ- card NI6035E from National Instruments and the computerprogram Automatic Pressure Control 1.0 which has been software developed and written in Visual Basic. The final result showed that correct processvarible was obtained in 0,5 seconds, when the setpoint was changed in the testarea 0 - 2,5 MPa.

Abstract [sv]

Uppgiften för examensarbetet har varit att bygga ett processdatorsystem för tryckreglering, där tryckfallet över öppen hydraulventil skall hållas så lågt som möjligt. Med hjälp av en korskopplad proportionalriktningsventil kunde uppgiftens ventilproblem lösas. Styr- och reglerproblemet för tryckreglersystemet löstes med mätkortet NI-6035E från National Instruments och datorprogram- met Automatic Pressure Control 1.0 som mjukvaruutvecklades och skrevs i Visual Basic. Det slut- giltiga resultatet gav att korrekta ärvärden erhölls efter 0,5 sekunder, när börvärdet förändrades inom testområdet 0 - 2,5 MPa.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2002. , 54 p.
Series
LiTH-ISY-Ex-ET, 0231
Keyword [en]
Reglerteknik, Processdatorsystem, Tryckreglering, Visual Basic, NI-6035E
Keyword [sv]
Reglerteknik
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-1339OAI: oai:DiVA.org:liu-1339DiVA: diva2:18661
Uppsok
teknik
Available from: 2002-09-16 Created: 2002-09-16

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • 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