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MMX - development of a rover locomotion system for Phobos

Sedlmayr, Hans-Jürgen and Barthelmes, Stefan and Bayer, Ralph and Bertleff, Wieland and Bihler, Markus and Buse, Fabian and Chalon, Maxime and Franke, Denis and Ginner, Florian and Langofer, Viktor and Lichtenheldt, Roy and Obermeier, Thomas and Pignede, Antoine Francois Xavier and Reill, Josef and Skibbe, Juliane (2020) MMX - development of a rover locomotion system for Phobos. In: 2020 IEEE Aerospace Conference, AERO 2020. Aerospace Conference, 07.03.2020 - 14.03.2020, Big Sky, Montana, USA. ISBN 978-172812734-7. ISSN 1095-323X.

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Abstract

The MMX mission (Martian Moons eXploration) is a robotic sample return mission of the JAXA (Japan Aerospace Exploration Agency), CNES (Centre National d'Etudes Spatiales ) and DLR (German Aerospace Center) for launch in 2024. The mission aims to answer the question on the origin of Phobos and Deimos which will also help to understand the material transport in the earliest period of our solar system and the most important question how was the water brought on Earth. Besides the MMX mothership (JAXA) which is responsible for sampling and sample return to Earth a small rover which is built by CNES and DLR shall land on Phobos for in-situ measurements similar to MASCOT (Mobile Asteroid Surface Scout) on Ryugu. The MMX rover is a four wheel driven autonomous system with a size of 41 cm x 37 cm x 30 cm and a weight of approx. 25 kg. Multiple science instruments and cameras are integrated in the rover body. The rover body is basically a rectangular box, attached at the sides are four legs with one wheel per leg. When the rover is detached from the mothership, the legs are folded together at the side of the rover body. When the rover has landed passively (no parachute, braking rockets) on Phobos, the legs are autonomously controlled to bring the rover in an upright orientation. One Phobos day lasts 7 earth hours, which gives for the total mission time of 3 earth months, the number of about 300 extreme temperature cycles. These cycles and the wide span of surface temperature between day and night are main design drivers for the rover. This paper gives a short overview on the MMX mission, the MMX rover and a detailed view on the development of the MMX rover locomotion subsystem.

Item URL in elib:https://elib.dlr.de/138819/
Document Type:Conference or Workshop Item (Speech)
Title:MMX - development of a rover locomotion system for Phobos
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Sedlmayr, Hans-Jürgenhans-juergen.sedlmayr (at) dlr.dehttps://orcid.org/0000-0003-1180-3960
Barthelmes, StefanStefan.Barthelmes (at) dlr.deUNSPECIFIED
Bayer, Ralphralph.bayer (at) dlr.deUNSPECIFIED
Bertleff, WielandWieland.Bertleff (at) dlr.deUNSPECIFIED
Bihler, MarkusMarkus.Bihler (at) dlr.deUNSPECIFIED
Buse, FabianFabian.Buse (at) dlr.deUNSPECIFIED
Chalon, MaximeMaxime.Chalon (at) dlr.deUNSPECIFIED
Franke, DenisDenis.Franke (at) dlr.deUNSPECIFIED
Ginner, FlorianFlorian.Ginner (at) dlr.deUNSPECIFIED
Langofer, ViktorViktor.Langofer (at) dlr.deUNSPECIFIED
Lichtenheldt, RoyRoy.Lichtenheldt (at) dlr.dehttps://orcid.org/0000-0002-2539-4910
Obermeier, ThomasThomas.Obermeier (at) dlr.deUNSPECIFIED
Pignede, Antoine Francois XavierAntoine.Pignede (at) dlr.deUNSPECIFIED
Reill, JosefJosef.Reill (at) dlr.dehttps://orcid.org/0000-0003-4092-063X
Skibbe, JulianeJuliane.Skibbe (at) dlr.deUNSPECIFIED
Date:March 2020
Journal or Publication Title:2020 IEEE Aerospace Conference, AERO 2020
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
ISSN:1095-323X
ISBN:978-172812734-7
Status:Published
Keywords:Robotic, Phobos, Space, Locomotion, Rover
Event Title:Aerospace Conference
Event Location:Big Sky, Montana, USA
Event Type:international Conference
Event Dates:07.03.2020 - 14.03.2020
Organizer:IEEE
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Exploration of the Solar System
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics (since 2013)
Institute of System Dynamics and Control
Deposited By: Sedlmayr, Hans-Jürgen
Deposited On:07 Dec 2020 17:46
Last Modified:07 Dec 2020 17:46

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