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Unified Monitoring of Spacecrafts

Dannemann, Frank (2015) Unified Monitoring of Spacecrafts. Dissertation, Universität Würzburg.

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Official URL: https://opus.bibliothek.uni-wuerzburg.de/frontdoor/index/index/docId/11593


Within this thesis a new philosophy in monitoring spacecrafts is presented: the unification of the various kinds of monitoring techniques used during the different lifecylce phases of a spacecraft. The challenging requirements being set for this monitoring framework are: - "separation of concerns" as a design principle (dividing the steps of logging from registered sources, sending to connected sinks and displaying of information), - usage during all mission phases, - usage by all actors (EGSE engineers, groundstation operators, etc.), - configurable at runtime, especially regarding the level of detail of logging information, and - very low resource consumption. First a prototype of the monitoring framework was developed as a support library for the real-time operating system RODOS. This prototype was tested on dedicated hardware platforms relevant for space, and also on a satellite demonstrator used for educational purposes. As a second step, the results and lessons learned from the development and usage of this prototype were transfered to a real space mission: the first satellite of the DLR compact satellite series - a space based platform for DLR's own research activities. Within this project, the software of the avionic subsystem was supplemented by a powerful logging component, which enhances the traditional housekeeping capabilities and offers extensive filtering and debugging techniques for monitoring and FDIR needs. This logging component is the major part of the flight version of the monitoring framework. It is completed by counterparts running on the development computers and as well as the EGSE hardware in the integration room, making it most valuable already in the earliest stages of traditional spacecraft development. Future plans in terms of adding support from the groundstation as well will lead to a seamless integration of the monitoring framework not only into to the spacecraft itself, but into the whole space system.

Item URL in elib:https://elib.dlr.de/97728/
Document Type:Thesis (Dissertation)
Additional Information:Gutachter / Betreuer: Prof. Dr.-Ing. Sergio Montenegro
Title:Unified Monitoring of Spacecrafts
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Dannemann, FrankUNSPECIFIEDhttps://orcid.org/0000-0002-0636-5866138661055
Date:30 July 2015
Refereed publication:Yes
Open Access:No
Number of Pages:294
Keywords:Logging; Monitoring; Onboard; Software; Spacecraft
Institution:Universität Würzburg
Department:Fakultät für Mathematik und Informatik
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Core Avionics (old), R - Project eu:cropis (old)
Location: Bremen
Institutes and Institutions:Institute of Space Systems > Avionics Systems
Deposited By: Dannemann, Dr. Frank
Deposited On:03 Sep 2015 10:41
Last Modified:14 Jul 2023 11:37

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