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ALINA Moon Lander GNC - Architecture, Design and Test Results

Winter, Matthias and Krüger, Hans and Fari, Stefano and Redondo Gutierrez, Jose Luis and Razgus, Bronislovas and Woicke, Svenja and Seelbinder, David and Hervieu, Calum and van Camp, Adriaen and Magalhaes Oliveira, Willem and Solari, Marco and Wenzel, Andreas and Theil, Stephan and Maass, Bolko and Sagliano, Marco and Schlotterer, Markus and Trigo, Guilherme Fragoso and Heidecker, Ansgar and Schwarz, René and Bremer, Stefanie (2021) ALINA Moon Lander GNC - Architecture, Design and Test Results. 11th International ESA Conference on Guidance, Navigation & Control Systems, 22. - 25. Juni 2021, Virtual.

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This paper describes the architecture and design of the AOCS/GNC system developed for the ALINA Moon lander by DLR and PTS. Driving requirements are the need for complete autonomy during the landing phase, the required absolute landing accuracy of 500 m x 750 m and the touch down conditions (i.e. horizontal speed limit, vertical speed limit, yaw/pitch angle limits). The paper gives an overview about the overall mission and describes the actuator and the sensor configurations as well as the computer architecture. The AOCS modes are defined as well as the objectives, the initial, target and exit conditions and the actuator/sensor configuration for each mode. The paper expands on the 3-DoF system used to control the attitude/rate during the Cruise & Orbital Phase and the 6-DoF GNC system controlling the position/velocity (outer-loop) and attitude/rate (inner-loop) during the Descent and Landing Phase, utilizing a Crater Navigation (CNav) based navigation filter and an optional Hazard Detection and Avoidance (HDA) system. An overview about the redundancy concepts and general FDIR approach on AOCS level is given. The paper offers a high-level overview about the approaches and technologies used in all major algorithmic areas. Finally, Model in the Loop test results are presented, showing an expected landing accuracy of 20 meters and an HDA maneuver execution accuracy of about 10 meters.

Item URL in elib:https://elib.dlr.de/144031/
Document Type:Conference or Workshop Item (Speech)
Title:ALINA Moon Lander GNC - Architecture, Design and Test Results
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Krüger, HansUNSPECIFIEDhttps://orcid.org/0000-0002-9729-8450
Fari, StefanoUNSPECIFIEDhttps://orcid.org/0000-0001-5595-6905
Redondo Gutierrez, Jose LuisUNSPECIFIEDhttps://orcid.org/0000-0002-0037-2299
Woicke, SvenjaUNSPECIFIEDhttps://orcid.org/0000-0002-0864-9977
Seelbinder, DavidUNSPECIFIEDhttps://orcid.org/0000-0003-4080-3169
Hervieu, CalumPlanetary Transportation Systems GmbHUNSPECIFIED
van Camp, AdriaenPlanetary Transportation Systems GmbHUNSPECIFIED
Theil, StephanUNSPECIFIEDhttps://orcid.org/0000-0002-5346-8091
Maass, BolkoUNSPECIFIEDhttps://orcid.org/0000-0002-2706-5432
Sagliano, MarcoUNSPECIFIEDhttps://orcid.org/0000-0003-1026-0693
Schlotterer, MarkusUNSPECIFIEDhttps://orcid.org/0000-0002-6565-3622
Trigo, Guilherme FragosoUNSPECIFIEDhttps://orcid.org/0000-0001-8173-9592
Heidecker, AnsgarUNSPECIFIEDhttps://orcid.org/0000-0002-7483-9074
Schwarz, RenéUNSPECIFIEDhttps://orcid.org/0000-0002-8255-9451
Bremer, StefanieUNSPECIFIEDhttps://orcid.org/0000-0002-8091-0121
Date:22 June 2021
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:GNC, Moon, Lunar, Lander, PTS, ALINA, AOCS, Crater Navigation
Event Title:11th International ESA Conference on Guidance, Navigation & Control Systems
Event Location:Virtual
Event Type:international Conference
Event Dates:22. - 25. Juni 2021
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Robotics
DLR - Research area:Raumfahrt
DLR - Program:R RO - Robotics
DLR - Research theme (Project):R - Planetary Exploration, R - Exploration of the Solar System
Location: Bremen
Institutes and Institutions:Institute of Space Systems
Deposited By: Winter, Matthias
Deposited On:11 Oct 2021 08:38
Last Modified:11 Oct 2021 08:38

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