Background courtesy of httpwwwbrownspacemancomwpcontentuploads201402MarsNasa1jpg Mars Rover By Paul Crisanti Background courtesy of httpwwwbrownspacemancomwpcontentuploads201402MarsNasa1jpg ID: 660718
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Mars Rover
By: Paul
Crisanti
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Three Successful
Sojourner Spirit/Opportunity Curiosity
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http://en.wikipedia.org/wiki/File:NASA_Mars_Rover.jpg
http://www.solarviews.com/raw/craft/marsrov1.gif
http://www.extremetech.com/wp-content/uploads/2012/12/curiosity-mars-self-portrait-crop-640x353.jpgSlide4
Size Comparison
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http://historicspacecraft.com/Diagrams/P/Planetary_Rovers_RK2011_600x350.jpg
http://mars.jpl.nasa.gov/msl/images/PIA15181.jpgSlide5
Overall Features
Power:
Solar Cells
Nuclear energy
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http://casolarco.com/yahoo_site_admin/assets/images/solar_panel_72cells.25982720_std.jpg
http://alternativenuclearenergy.yolasite.com/resources/nuclear-symbol.jpgSlide6
Overall Features
Chassis
Rocker-bogie = independent movement of each wheel
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http://groups.engr.oregonstate.edu/osurc/urc/media/2011/Chassis_11_21_10.png
http://en.wikipedia.org/wiki/File:Wheels_of_a_working_sibling_to_Curiosity_rover.JPGSlide7
Overall Features
Control
Semi-autonomous: Combination of LYDAR and cameras to detect and avoid obstacles
Autonomous
Radio control ( Ten minute time delay)
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http://3.bp.blogspot.com/_FEklFQNAa2o/R0TycvVu6kI/AAAAAAAAAtQ/xIkk472oum4/s400/radiotransmitter.jpgSlide8
Sojourner
Power:
Solar Cells
Lithium
thionyl chloride backup battery
Chassis
Rocker-bogie = independent movement of each wheel
Control
Semi-autonomous: Combination of LYDAR and cameras to detect and avoid obstacles
Radio control via lander ( Ten minute time delay)
Range
52 meters
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http://abyss.uoregon.edu/~js/images/rover_cutaway.gifSlide9
Spirit & Opportunity
Power:
Solar Cells
Chassis
Rocker-bogie = independent movement of each wheelControl
Semi-autonomous: Combination of LYDAR and cameras
to detect and avoid obstacles
Independent radio control ( Ten minute time delay)
Range
100 meters per Martian Day
1 kilometer overall
Actual: 34
kilometers (Opportunity)
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http://www.space.com/24394-mars-rovers-spirit-opportunity-explained-infographic.htmlSlide10
Curiosity
Power:
Nuclear power (Plutonium oxide fuel)
Chassis
Rocker-bogie = independent movement of each wheelControl
Autonomous
:
Combination of LYDAR
and
cameras
to
detect and avoid obstacles
Independent radio control ( Ten minute time delay)
Range
200
meters per Martian Day19 kilometers per year
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http://en.wikipedia.org/wiki/File:Drawing-of-the-Mars-Science_Laboratory.pngSlide11
References
https://
www.google.com/search?q=curiosity+launch+date&oq=Curiosity+Launc&aqs=chrome.2.69i57j0l5.7519j0j7&sourceid=chrome&es_sm=93&ie=UTF-8
http://
science.howstuffworks.com/mars-curiosity-rover4.htm
http://
www.extremetech.com/extreme/143884-how-nasa-drives-mars-rover-curiosity
NCAS Mars content
2011.pdf
www.jpl.nasa.gov
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Questions?
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