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Title:Celovit pristop k ščitenju elektronskih sistemov nanosatelita pred napakami v delovanju kot posledicami ionizirajočega sevanja
Authors:ID Selčan, David (Author)
ID Kramberger, Iztok (Mentor) More about this mentor... New window
Files:.pdf DOK_Selcan_David_2018.pdf (4,81 MB)
MD5: 81098D7DE9AA54B185A3E6BA4C8A430C
PID: 20.500.12556/dkum/acbaeaf5-21cb-42ea-b27c-9e2fec5f0b51
 
Language:Slovenian
Work type:Doctoral dissertation
Typology:2.08 - Doctoral Dissertation
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Ta doktorska disertacija predstavlja celovit pristop k ščitenju elektronskih sistemov pred posledicami ionizirajočega sevanja, ki omogoča ščitenje elektronskih sistemov nanosatelita pred napakami v delovanju kot posledicami ionizirajočega sevanja. Predstavljena je analiza vplivov ionizirajočega sevanja na elektronske komponente in sisteme s poudarkom na posameznih sevalnih dogodkih v različnih satelitskih orbitah. Prav tako so predstavljene posebnosti snovanja elektronskih sistemov za nanosatelite. V nadaljevanju so predstavljene tehnike za snovanje na napake strpnih elektronskih sistemov. Le-te vključujejo: uporabo diskretnih analognih komponent za snovanje sistemov za nanosatelite (vključno s primerom analognega vezja za sledenje maksimalne točke moči), uporabo treh različnih tipov pretokovnih zaščit v kombinaciji s stražnimi časovniki in vključitev vezja FPGA v sisteme nanosatelitov vključno s tehnikami za zaščito logične implementacije v vezju FPGA. Predstavljena je tudi uporaba teh tehnik v kontekstu hierarhičnega pristopa k blaženju napak. Predstavljena vezja so bila preizkušena v laboratorijskih pogojih. Prav tako je bilo na vseh vezjih za pretokovno zaščito opravljeno testiranje na izvorih ionizirajočega sevanja. Na koncu pa so predstavljeni rezultati analize zanesljivosti na podlagi statističnega modela. Rezultati nakazujejo, da je na podlagi uporabe predstavljenega pristopa ščitenja elektronskih sistemov možno izboljšati zanesljivost elektronskih sistemov nanosatelita.
Keywords:nanosatelit, posamezni sevalni dogodki, pretokovna zaščita, stražni časovnik, strpnost na napake, zaščita pred ionizirajočim sevanjem
Place of publishing:[Maribor]
Publisher:[D. Selčan]
Year of publishing:2018
PID:20.500.12556/DKUM-71786 New window
UDC:621.38.049.77:629.783(043.3)
COBISS.SI-ID:296723200 New window
NUK URN:URN:SI:UM:DK:TJ5LEFIK
Publication date in DKUM:25.09.2018
Views:1798
Downloads:237
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:30.08.2018

Secondary language

Language:English
Title:A Comprehensive Approach to Protect Electronic Nanosatellite Systems from Operational Faults Caused by Ionizing Radiation
Abstract:This doctoral thesis presents a comprehensive radiation protection approach that can be used to protect electronic nanosatellite systems from operational faults caused by ionizing radiation. The effects of ionizing radiations on electronic components and systems are analyzed, with emphasis on single event effects in various satellite orbits. The specifics of designing electronic systems for use on nanosatellite are also presented. Further, the techniques for the design of fault tolerant electronic systems are presented. They include: the use of discrete analog components to design nanosatellite systems (including an example of an analog maximum power point tracking circuit), the use of three types of overcurrent protection components in combination with watchdog timers and the inclusion of an FPGA circuit into a nanosatellite systems as well as techniques to protect the logic implementation inside the FPGA from faults. The use of the presented techniques in a hierarchical fault mitigat
Keywords:nanosatellite, single event effects, current limiter, watchdog timer, fault tolerance, radiation protection


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