Webinar, Online
Overview
More than half the motors that have ever
been landed on Mars have been designed and manufactured by the Swiss company
maxon motor. Starting with the Sojourner rover in 1997 and continuing through
to ESA's ExoMars and JPL's Mars2020 rovers (planned for launch in 2020),
every Martian rover has contained modified version of maxon's industrial
products.
We will present the process for selecting appropriate motors,
gearboxes and encoders, deciding on necessary design modifications and then
performing all the necessary testing to qualify such designs for use on Mars.
This encompasses vibration, shock, temperature cycling, radiation hardness and
life time testing, amongst numerous other tests. Once the design is qualified
the flight model production is an exhaustive process where seemingly every
conceivable dimension or parameter on every part and every assembly process is
measured and documented. Finally the completed actuators go through a detailed
Acceptance Testing Procedure (ATP) to give both maxon and the space agency
customers confidence that the actuators will work as intended on Mars. Evidence
from the 14 years of operation that Opportunity has clocked up in the process
of driving more than a marathon's worth of distance on Mars suggests this is a
reliable method for modifying COTS products for use on another planet.
Day 1
12:00 - Webinar Start
12:45 - Q&A
13:00 - Webinar End
Robin Phillips: Head of Aerospace, Maxon Motor
Robin studied mathematics at Bristol
University (UK) and astrophysics at the University of Kent (UK) before working
as an instrument support scientist at the James Clerk Maxwell Telescope on
Mauna Kea in Hawaii. Then he moved to the University of Lethbridge in Alberta
(Canada) where he worked as a project manager in an instrumentation group,
designing and deploying atmospheric measurement equipment for telescope sites.
These remotely controlled instruments used maxon motors for their mechanisms, a
link which ultimately led him to his current position as head of the Aerospace
project manager group at maxon motor.
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