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Handheld Vibration Logger for Android Platforms
2012 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The aim of this thesis was to develop a handheld, battery-powered vibration logger based on an Android platform. The system consists of an Android device, for data presentation and user input, and a vibration sensor that would connect to the Android device by USB. The requirements of the system were to allow the user to configure the measurement settings, plot the measurement data and give the ability to save the measurement data from the Android device. The system was also to be adapted for industrial environments.The development process involved choosing an Android platform, developing the electronics and housing for the accelerometer unit, develop an application for the Android-platform and firmware for the accelerometer unit's microcontroller.The result is a vibration logger that fulfills the requirements stated. The Android-platform used for the system was a Motorola Xoom tablet. The tablet was equipped with a protective case and the accelerometer unit was a closed case that shields its components from the surrounding environment.The user can configure the measurement settings and give the measurement a name and an index from the user interface. After each measurement the acceleration data is plotted on the Android screen to allow visual inspection of the data. If the user wishes to save the measured acceleration data this can also be done from the user interface.From measurements performed on a test rig, the accelerometer unit case was evaluated. The results proved satisfactory and showed that the frequencies of interest are still preserved with the accelerometer placed inside the developed sensor case.

Place, publisher, year, edition, pages
2012. , 50 p.
Keyword [en]
Technology
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-57474Local ID: e21ef242-9de2-40f5-8620-131b9a071649OAI: oai:DiVA.org:ltu-57474DiVA: diva2:1030861
Subject / course
Student thesis, at least 30 credits
Educational program
Mechanical Engineering, master's level
Examiners
Note
Validerat; 20120506 (anonymous)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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Type fulltextMimetype application/pdf

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
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  • vancouver
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  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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