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6 Oct
2013

WSW 2013 Mission to Mars: MDRS Commander’s Report Day 2 (5 Oct)

Posted by OeWF in OeWF News, World Space Week.
WSW 2013 Mission to Mars: MDRS Commander’s Report Day 2 (5 Oct)
6655042-photo5

Haritina Mogosanu performing soil sampling experiment

Follow the progress of the team during their EVAs with Everytrail:
Sand Sampling EVA
Change Detection ATV/Offroading EVA

Activities for the 2013 MDRS Crew for World Space Week (WSW) 2013 continued. Numerous telecons were held throughout the day in support of the WSW, and we initiated EVAs in the afternoon. Randy and Jon traveled ~10 km north of the Hab to Toothy Ridge, Jason’s Rock, and Giant’s Toes, and gathered multiple images of each for the change detection experiment. Hari and Jean also performed a Sand Sampling EVA as well. D-TREX EVAs were also performed by all crew members late in the afternoon, to gather more time data from tasks performed both in sim and out of sim [with suits on and without].

 

Early Science Results from D-TREX Studies
It is hypothesized that the space suit simulators at MDRS limit mobility, reduce dexterity, and increase the amount of time needed to perform tasks during EVAs in ways that are quite similar to actual space suits. A very preliminary, and coarse analysis of data gathered from our D-TREX study confirms this prediction. A statistical analysis of this data is yet to be completed.

6653582-photo6

During the EVA, the crew imaged Jason’s rock to monitor changes over the past few years.  Images from 2006 and 2008 are belowchange_detection

During the experiment it was interesting to note that one operator was unable to complete the soil and rock sampling tasks with the gloves that were chosen for the EVA suit that was worn (this data was not used in the above calculations). This result is a good example of the importance of glove design, and how it affects development and testing of operational scenarios and the suit hardware itself. Results from the walking tasks reveal very small time differences between suited and unsuited operators in both distances tested, suggesting that the effect MDRS EVA suits have on gross motor skills is small.

A variety of factors such as operator experience and or physical size can influence why suited operators require more (or less) time to complete a task. We did not control for these effects. However, depending upon how it is filtered and reduced, our data set can be mined in many ways to see the effects MDRS EVA suits have on time required to complete four distinctly different tasks.

This article is available in: German

Related posts:

  1. WSW 2013 Mission to Mars: MDRS Commander’s Report Day 1 (4 Oct)
  2. Interview with MDRS First Officer, Haritina Mogosanu
  3. A first review of the Rio Tinto 2011 Mars Simulation (+ mission report)
  4. Dachstein Mars Simulation 2012 Mission Report
  5. World Space Week 2013 with MarsTweetup on 5th October 2013
  • Tagged: analogs, highlight, simulateMars, World Space Week
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