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Functional Testing of the Electrical Power System of the MIST Satellite
KTH, School of Electrical Engineering and Computer Science (EECS).
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The Electrical Power System is the key subsystem for the survival of the satellite.It not only supplies power to the satellite by keeping the battery adequatelycharged, but it also provides crucial fault detection and recovery functions.The target of this thesis work is to characterize and test all the functionalitiesof the EPS of the MIST satellite in realistic operational conditions through theimplementation of hardware and software simulators. Such a comprehensiveframework is based on a MATLAB software, the MIST flight hardware, aswell as Solar Panel Simulators and Arduino-based dummy loads created byprevious students in the project. These tools are used to integrate all theseelements into an easy-to-use simulation environment that very closely mimicsconditions in actual orbital flight and that can be used as a model for suchsimulations in similar satellite projects. The purpose of the simulations in thisenvironment is to verify that the planned flight profile of the satellite is correctand safe, especially from a power subsystem point of view.

Abstract [sv]

Elkraftsystemet är det viktigaste delsystemet för överlevnaden av satelliten.Den levererar inte bara ström till satelliten genom att hålla batteriet tillräckligtladdat, utan ger också avgörande feldetekterings- och återhämtningsfunktioner.Målet med detta avhandlingsarbete är att karakterisera och testa allafunktionaliteter under realistiska driftsförhållanden för EPS genom implementeringav en hårdvaru- och mjukvarusimulering av MIST-satelliten ochdess flygmiljö i omloppsbana. En sådan omfattande ram kommer att baseraspå en MATLAB-programvara, MIST-flyghårdvaran samt solpanelsimulatoreroch Arduino-baserade dummy-laster skapade av tidigare studenter i projektet.Dessa verktyg används för att integrera alla dessa element i en lättanvändsimuleringsmiljö som är mycket nära besläktad med den faktiska omloppsflygningensom kan användas som modell för sådana simuleringar i liknandesatellitprojekt. Syftet med simuleringar i denna miljö är att verifiera att denplanerade flygprofilen för satelliten är korrekt och säker, särskilt ur ett energisubsystemssynpunkt.

Place, publisher, year, edition, pages
2019. , p. 89
Series
TRITA-EECS-EX ; 2019:570
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-261780OAI: oai:DiVA.org:kth-261780DiVA, id: diva2:1359859
Educational program
Master of Science - Aerospace Engineering
Supervisors
Examiners
Available from: 2019-10-10 Created: 2019-10-10 Last updated: 2019-10-10Bibliographically approved

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