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Utvärdering av energiförbrukning av ett IoT-system för övervakning av hundars rörelsemönster
KTH, School of Technology and Health (STH), Medical Engineering, Computer and Electronic Engineering. KTH.
KTH, School of Technology and Health (STH), Medical Engineering, Computer and Electronic Engineering. KTH.
2017 (Swedish)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesisAlternative title
Energy evaluation of an IoT-system for monitoring of dogs behavior (English)
Abstract [sv]

Tracy Trackers utvecklar just nu en AI-plattform vars syfte är att övervaka hundens rörelsemönster. Plattformen består av en mikrokontroller med accelerometer, gyroskop, temperatur samt luftfuktighetssensorer som fästs på hunden. Mikrokontrollern är sedan uppkopplad till en mobil genom Bluetooth. I detta arbete undersöktes vilka batterier som finns på marknaden samt vilket som passar bäst för den prototyp som studerats. Målet med studien var att hitta ett batteri som är uppladdningsbart, har lång drifttid samt är ekonomiskt och miljömässigt hållbart för framtida produktion. Hårdvara för mätning av batterispänningens karaktäristik byggdes för att avgöra om olika batterier skilde sig åt.Strömförbrukningen hos de sensorer som var implementerade i produkten studerades med hjälp av oscilloskop och en egenkonstruerad förstärkarkrets. Vidare konstruerades ett lågpassfilter för att fastställa DC-komponenten av strömförbrukningen. Strömförbrukningen som uppmättes genom testerna i detta arbete avser det som drar ström i prototypen. Den utvecklade hårdvaran kan användas till mätningar på framtida prototyper.

Abstract [en]

Tracy Trackers is currently developing an AI platform which purpose is to monitor a dog's movement pattern. The platform consists of hardware with accelerometer, gyroscope, temperature and humidity sensors attached to the dog. The hardware is connected to a mobile through Bluetooth. A study was conducted to investigate which batteries that are available on the market and which ones that fit best for the prototype. The aim of the study was to find a rechargeable battery with long operat-ing hours that is economically and environmentally viable for future production. Hardware for monitoring the battery voltage characteristics was built to determine differences between kinds of batteries and if there was an optimal type of battery for the specific product. The sensors used by the prototype were studied using os-cilloscopes and a self-constructed circuit in order to be able to determine power consumption at different sampling frequencies. Furthermore, a circuit was built for filtering out certain frequencies to determine the current consumption of the DC-components. The current consumption measured by the tests in this study refers to what draws current in the prototype. The developed hardware can be used for measurements of future prototypes

Place, publisher, year, edition, pages
2017. , 57 p.
Series
TRITA-STH, 2017:49
Keyword [en]
Internet of things, battery, current consumption, portable integrated circuits, accelerometer, gyroscope, bluetooth
Keyword [sv]
Internet of things, batteri, strömförbrukning, bärbara inbyggda system, accelerometer, gyroskop, bluetooth
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-208973OAI: oai:DiVA.org:kth-208973DiVA: diva2:1109332
External cooperation
Tracy Trackers
Subject / course
Electrical Engineering
Educational program
Bachelor of Science in Engineering - Electrical Engineering
Supervisors
Examiners
Available from: 2017-06-16 Created: 2017-06-13 Last updated: 2017-06-16Bibliographically approved

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Utvärdering av IoT(2938 kB)12 downloads
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Type fulltextMimetype application/pdf

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