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Modifying a Scientific Flight Control System for Balloon Launched UAV Missions

Schwarzbach, Marc und Wlach, Sven und Laiacker, Maximilian (2015) Modifying a Scientific Flight Control System for Balloon Launched UAV Missions. In: IEEE Aerospace Conference. IEEE. 2015 IEEE Aerospace Conference, 2015-03-07 - 2015-03-14, Big Sky, USA. doi: 10.1109/AERO.2015.7119055. ISBN 978-1-4799-5379-0.

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Offizielle URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7119055&refinements%3D4230163268%26filter%3DAND%28p_IS_Number%3A7118873%29

Kurzfassung

In this paper we present our work on enabling Balloon launched high altitude UAV Missions for an autopilot system previously used only at lower levels in visual line of sight conditions. One field of our research in the context of flying robotics is focused on high altitude pseudo satellites (HAPS). To gain operational experience in high altitude flying and for system and payload testing, a balloon launched small UAV (sub 10kg) system was designed including building an optimized airframe. Balloon launching was chosen because it offers fast and clearly regulated access to the desired altitudes. Our autopilot system has proven its capabilities in many years of flight experiments with different platforms (helicopter and fixed wing). The main characteristics are modularity and easy use for scientists. On the hardware level the task was to integrate the existing segmented systems of the research autopilot in a compact form factor, with the possible use in larger platforms in mind. The design was driven by the special thermal requirements resulting from flying in stratospheric conditions. In the autopilot software, several mission specific functions had to be added, which only required moderate effort due to the modular system design. Major changes included adding a flight termination manager. A launch routine was developed allowing a safe transition from free-fall to stable horizontal flight in thin air after being dropped from the balloon. Extensive testing was performed to validate the design. Simulating the mission, including balloon ascend, was used to check the mission software. Thermal and pressure conditions at altitude were replicated in a thermal vacuum chamber with additional sensors applied to identify problems. The simulation and control laws were verified by means of low altitude test flights.

elib-URL des Eintrags:https://elib.dlr.de/100779/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Modifying a Scientific Flight Control System for Balloon Launched UAV Missions
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Schwarzbach, Marcmarc.schwarzbach (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Wlach, Svensven.wlach (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Laiacker, Maximilianmaximilian.laiacker (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:2015
Erschienen in:IEEE Aerospace Conference
Referierte Publikation:Ja
Open Access:Ja
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
DOI:10.1109/AERO.2015.7119055
Verlag:IEEE
ISBN:978-1-4799-5379-0
Status:veröffentlicht
Stichwörter:DLR HABLEG – High Altitude Balloon Launched Experimental Glider, Stratosphäre, Stratosphärenflug, High Altitude Pseudo Satellite, Abwurf, UAV, unbemannt, Dauerflug, Solarflugzeug, ELHASPA
Veranstaltungstitel:2015 IEEE Aerospace Conference
Veranstaltungsort:Big Sky, USA
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:7 März 2015
Veranstaltungsende:14 März 2015
Veranstalter :IEEE
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:Technik für Raumfahrtsysteme
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R SY - Technik für Raumfahrtsysteme
DLR - Teilgebiet (Projekt, Vorhaben):R - Vorhaben Weiterentwicklung Robotik - Mechatronik und Dynamik (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Robotik und Mechatronik (ab 2013) > Mechatronische Komponenten und Systeme
Hinterlegt von: Wlach, Sven
Hinterlegt am:15 Dez 2015 11:12
Letzte Änderung:24 Apr 2024 20:06

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