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Penetration and performance testing of the HP³ Mole for the InSight Mars mission

Wippermann, Torben and Hudson, Troy L. and Spohn, Tilman and Witte, Lars and Scharringhausen, Marco and Taskyridis, Georgios and Fittock, Mark and Krömer, Olaf and Hense, Simon and Grott, Matthias and Knollenberg, Jörg and Lichtenheldt, Roy (2019) Penetration and performance testing of the HP³ Mole for the InSight Mars mission. Planetary and Space Science. Elsevier. DOI: 10.1016/j.pss.2019.104780 ISSN 0032-0633

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Abstract

During the development and the qualification of the Heat Flow Physical Properties Package (HP³) instrument (developed by the German Aerospace Center), which is part of the NASA Mars mission InSight, its self-propelling subsurface probe, the HP³ Mole was used in several penetration tests. Here, the performance of the Mole to reach the target depth, to avoid or overcome obstacles on its path, and its directional stability in the subsurface is elaborated. The different test beds and set ups are described and the results are presented. The deep penetration tests (DPT), with the purpose to reach the target depth, are the most important performance tests and therefore the results are investigated in more detail in section 2. Full functional tests (FFT), which showed the performance and degradation of the mechanism inside the Mole, are presented in section 3. Additional penetration and life cycle tests are described in section 4. The testing has demonstrated that the HP³ Mole meets all of its penetration requirements with margin.

Item URL in elib:https://elib.dlr.de/130818/
Document Type:Article
Title:Penetration and performance testing of the HP³ Mole for the InSight Mars mission
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wippermann, TorbenTorben.Wippermann (at) dlr.dehttps://orcid.org/0000-0002-0354-6557
Hudson, Troy L.Troy.L.Hudson (at) jpl.nasa.govhttps://orcid.org/0000-0002-5879-6633
Spohn, TilmanTilman.Spohn (at) dlr.dehttps://orcid.org/0000-0002-9322-6660
Witte, LarsLars.Witte (at) dlr.dehttps://orcid.org/0000-0002-3921-2524
Scharringhausen, MarcoMarco.Scharringhausen (at) dlr.dehttps://orcid.org/0000-0001-5308-5202
Taskyridis, GeorgiosGeorgios.Tsakyridis (at) dlr.deUNSPECIFIED
Fittock, MarkMark.Fittock (at) dlr.deUNSPECIFIED
Krömer, OlafOlaf.Kroemer (at) dlr.deUNSPECIFIED
Hense, SimonSimon.Hense (at) dlr.deUNSPECIFIED
Grott, MatthiasMatthias.Grott (at) dlr.dehttps://orcid.org/0000-0002-8613-7096
Knollenberg, JörgJoerg.Knollenberg (at) dlr.dehttps://orcid.org/0000-0003-1249-8582
Lichtenheldt, RoyRoy.Lichtenheldt (at) dlr.dehttps://orcid.org/0000-0002-2539-4910
Date:2019
Journal or Publication Title:Planetary and Space Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1016/j.pss.2019.104780
Editors:
EditorsEmail
Rossi, Angelo PioJacobs University Bremen
Publisher:Elsevier
ISSN:0032-0633
Status:Published
Keywords:InSight; HP³; Mole; Heat flow; Mars exploration; Penetrator; Probe-soil-interaction
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):Project InSight HP3
Location: Berlin-Adlershof , Bremen
Institutes and Institutions:Institute of Space Systems > Land and Exploration Technology
Institute of Planetary Research > Planetary Physics
Institute of Planetary Research > Asteroids and Comets
Institute of System Dynamics and Control > Space System Dynamics
Deposited By: Wippermann, Torben
Deposited On:22 Nov 2019 09:29
Last Modified:04 Dec 2019 09:47

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