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Systematiskt arbete för att hantera osäkerheter vid mätning: vid Q-Med AB i Uppsala
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
2010 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

This report is about helping Q-Med AB in Uppsala to start its implementation of uncertainty of measurements analyses in their manufacturing department. Prior to this, the company relied solely on personal experience or did not take this uncertainty into consideration at all during different kind of measurements, which means that some of the processes that the company previously believed were within specified acceptance limits, will actually fail when considering these sources of uncertainties.

Q-Med AB needed some sort of instruction to help the company, in a systematic way, to investigate different types of disorders that are affecting all kinds of measurements. This instruction includes a short summary about measurements and uncertainty of measurements in general and a detailed procedure about how these uncertainties are going to be handled in their daily work.

The goal was to be able to use this instruction to systematically locate, eliminate (when possible) and analyze all kinds of disorders when measuring. Q-Med is using a lot of different types of instruments when measuring different types of quantities, including temperature, mass, pressure and density. This instruction will hereafter be used for every instrument, regardless of quantity and type of instrument.

The instruction is tested through 4 different kinds of measurements, for mass, temperature and humidity. The team that is using the instruction was here able to comprehend the situation, locate all the important sources to uncertainty and combine all these sources to a complete and extended uncertainty that seems reliable. This was the goal with the 4 measurement situation.

Place, publisher, year, edition, pages
2010.
Identifiers
URN: urn:nbn:se:uu:diva-126737ISRN: UTH-INGUTB-EX-M-2010/21-SEOAI: oai:DiVA.org:uu-126737DiVA, id: diva2:326603
Uppsok
Technology
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Available from: 2010-06-24 Created: 2010-06-23 Last updated: 2010-06-28Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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