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Hardware-In-the-Loop Simulation of MIST Attitude Determination and Control System
KTH, School of Electrical Engineering and Computer Science (EECS).
2022 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The MIST(MIniature Student saTellite) project is a 3U CubeSat developed by student teams at KTH Royal Institute of Technology in Stockholm. One of the fundamental systems of the satellite is the Attitude Determination and Control System (ADCS), re sponsible for estimating and correcting the satellite’s orientation using magnetic fields and sun sensors. This final degree work belongs to the MIST functional test team. It focuses on building a test environment that verifies that all ADCS components will be have as expected once the satellite is in orbit. This thesis focuses on creating a test framework that can be used to verify the operation of the ADCS. This test framework is composed of several hardware and software components developed to be reliable and flexible, so it can be adapted to verify the behavior of other systems on the satel lite by other teams in the future. The value of this test framework is demonstrated by setting up a HardwareIntheLoop (HIL) simulation of the ADCS in which real flight hardware is used along with other hardware and software components to create a test scenario as close as possible to the orbit.

Abstract [sv]

MIST­projektet (MIniature Student saTellite) är en 3U CubeSat som utvecklats av studentgrupper vid Kungliga tekniska högskolan (KTH) i Stockholm. Ett av satellitens grundläggande system är Attitude Determination and Control System (ADCS), som ansvarar för att uppskatta och korrigera satellitens orientering med hjälp av magnetfält och solsensorer. Det här examensarbetet hör till MIST:s funktionstestgrupp. Det fokuserar på att bygga en testmiljö som verifierar att alla ADCS-­komponenter kommer att bete sig som förväntat när satelliten väl är i omloppsbana. Det här examensarbetet fokuserar på att skapa en testram som kan användas för att verifiera ADCS:s funktion. Testramen består av flera hardware och software komponenter som utvecklats för att vara tillförlitliga och flexibla, så att den kan anpassas för att verifiera beteendet hos andra system på satelliten av andra team i framtiden. Värdet av denna testram demonstreras genom att man sätter upp en HIL­simulering (Hardware­In­the­Loop) av ADCS där riktig flygmaskinvara används tillsammans med andra hardware och software komponenter för att skapa ett testscenario som ligger så nära omloppsbanan som möjligt.

Place, publisher, year, edition, pages
2022. , p. 69
Series
TRITA-EECS-EX ; 2022:336
Keywords [en]
Functional Testing, HIL, FlightSimulations, ADCS, TestManager, TestStand, Satellite subsystems
Keywords [sv]
Funktionell testning, HIL, flygsimuleringar, ADCS, testledare, TestStand, satellitsub system
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-320118OAI: oai:DiVA.org:kth-320118DiVA, id: diva2:1703720
Supervisors
Examiners
Available from: 2022-10-17 Created: 2022-10-14 Last updated: 2022-10-17Bibliographically approved

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