Aerospace & Defense Technology - October 2022 - 7

Robotics & Unmanned Systems
mitigation design practices to ensure
the protection of rotating interfaces and
long-life capabilities.
As the Artemis campaign has evolved,
important themes have arisen which
speak to the technology vector required
to maintain a long-term presence on the
Moon or Mars. The first is " To Survive
the Lunar Night " . This goal speaks to
creating methods that allow systems to
robustly perform beyond the single
lunar day missions. For Motiv, developing
systems at all levels capable of performing
in the extremes of the harsh
lunar day/night cycle is a major step forward
in delivering high-reliability capabilities
that do not require augmented
survival power or accommodations.
The other theme, " To Operate
Through the Night, " is critical for standard
operations in PSRs and supporting
ISRU activities. The objectives of the
Artemis mission are significant, and in
order to achieve them, systems must
not be limited to a maximum of 50%
efficiency via means of hibernating
during the lunar night.
power collection and storage must be
coordinated to take advantage of maximum
efficiency potentials. Continuous
operations also reduce the total
number of deep thermal cycles witnessed
by these systems to execute any
measure of work.
DEEDS offers unique architectural
advantages in that it can be utilized in a
completely distributed fashion. Classic
architectures have been served in warm
electronics boxes or have only been utilized
for short-duration missions under
favorable daytime environmental conditions.
These techniques are inherently
more massive and require 'thermal
maintenance'.
Serviceability is also a benefit of the
DEEDS architecture. In the example of
the LTV wheel drive system, the module
can be serviced by humans once it has
surpassed its operational life expectancy.
This type of life extensible topology
has been very successful with Orbital
Replacement Units (ORUs) aboard ISS
and will also be essential for minimizing
large system degradation and maximizing
operational life to support both
robotic- and human-tended activities
throughout a sustainable campaign.
Aerospace & Defense Technology, October 2022
mobilityengineeringtech.com
7
It is anticipated that the technologies
and techniques being developed for
DEEDS will serve as the foundation for
successful operations on the lunar surface,
and many other harsh environments
for years to come.
This article was written by Tom
McCarthy, robotics expert and VP of
Business Development, Motiv Space
Systems, Inc. (Pasadena, CA). For more
information, go to https://motivss.
com.
Strategies of

https://motivss.com http://info.hotims.com/82326-790 http://www.mobilityengineeringtech.com

Aerospace & Defense Technology - October 2022

Table of Contents for the Digital Edition of Aerospace & Defense Technology - October 2022

Aerospace & Defense Technology - October 2022 - Intro
Aerospace & Defense Technology - October 2022 - Sponsor
Aerospace & Defense Technology - October 2022 - Cov1
Aerospace & Defense Technology - October 2022 - Cov2
Aerospace & Defense Technology - October 2022 - 1
Aerospace & Defense Technology - October 2022 - 2
Aerospace & Defense Technology - October 2022 - 3
Aerospace & Defense Technology - October 2022 - 4
Aerospace & Defense Technology - October 2022 - 5
Aerospace & Defense Technology - October 2022 - 6
Aerospace & Defense Technology - October 2022 - 7
Aerospace & Defense Technology - October 2022 - 8
Aerospace & Defense Technology - October 2022 - 9
Aerospace & Defense Technology - October 2022 - 10
Aerospace & Defense Technology - October 2022 - 11
Aerospace & Defense Technology - October 2022 - 12
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Aerospace & Defense Technology - October 2022 - 48
Aerospace & Defense Technology - October 2022 - Cov3
Aerospace & Defense Technology - October 2022 - Cov4
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