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Success Stories
Image credit: NASA/JPL-Caltech/Cornell University
MARS ROVER
To give you a sense of scale, the tracks the rover's tires make are about one meter apart. One rover is named SPIRIT and the other is named OPPORTUNITY. Because of their distance from Earth and the resulting time lag remote control is not practical. They are controled by commands from earth that are carried out by the on board computer intelligence.
Image credit: NASA/JPL-Caltech/Cornell University
ROVER WISDOM
"NASA's twin Mars Exploration Rovers have been getting smarter as they get older. This view from Opportunity shows the tracks left by a drive executed with more onboard autonomy than has been used on any other drive by a Mars rover.
Opportunity made the curving, 15.8-meter (52-foot) drive during its 1,160th Martian day, or sol (April 29, 2007). It was testing a navigational capability called "Field D-star," which enables the rover to plan optimal long-range drives around any obstacles in order to travel the most direct safe route to the drive's designated destination. Opportunity and its twin, Spirit, did not have this capability until the third year after their January 2004 landings on Mars. Earlier, they could recognize hazards when they approached them closely, then back away and try another angle, but could not always find a safe route away from hazards. Field D-Star and several other upgrades were part of new onboard software uploaded from Earth in 2006. The Sol 1,160 drive by Opportunity was a Martian field test of Field D-Star and also used several other features of autonomy, including visual odometry to track the rover's actual position after each segment of the drive, avoidance of designated keep-out zones, and combining information from two sets of stereo images to consider a wide swath of terrain in analyzing the route." --NASA
2007 DRPA URBAN CHALLENGE
Photo by AIM Team members Linda and Tom Graham
GO ROBOTS !
Success Stories
January 23, 2008
Image credit: NASA/JPL-Caltech/Cornell University
MARS ROVER
To give you a sense of scale, the tracks the rover's tires make are about one meter apart. One rover is named SPIRIT and the other is named OPPORTUNITY. Because of their distance from Earth and the resulting time lag remote control is not practical. They are controled by commands from earth that are carried out by the on board computer intelligence.
Image credit: NASA/JPL-Caltech/Cornell University
ROVER WISDOM
"NASA's twin Mars Exploration Rovers have been getting smarter as they get older. This view from Opportunity shows the tracks left by a drive executed with more onboard autonomy than has been used on any other drive by a Mars rover.
Opportunity made the curving, 15.8-meter (52-foot) drive during its 1,160th Martian day, or sol (April 29, 2007). It was testing a navigational capability called "Field D-star," which enables the rover to plan optimal long-range drives around any obstacles in order to travel the most direct safe route to the drive's designated destination. Opportunity and its twin, Spirit, did not have this capability until the third year after their January 2004 landings on Mars. Earlier, they could recognize hazards when they approached them closely, then back away and try another angle, but could not always find a safe route away from hazards. Field D-Star and several other upgrades were part of new onboard software uploaded from Earth in 2006. The Sol 1,160 drive by Opportunity was a Martian field test of Field D-Star and also used several other features of autonomy, including visual odometry to track the rover's actual position after each segment of the drive, avoidance of designated keep-out zones, and combining information from two sets of stereo images to consider a wide swath of terrain in analyzing the route." --NASA
2007 DRPA URBAN CHALLENGE
Photo by AIM Team members Linda and Tom Graham
GO ROBOTS !
Paul F. Grayson - Chief Engineer
AMERICAN INDUSTRIAL MAGIC, LLC
Racing to build technology that saves soldier's lives.
390 4-Mile Rd. S.
Traverse City, MI 49686-8411
(231) 946-0187, (231) 883-4463 Cell
pgrayson@aimagic.org
http://aimagic.org
http://tech.groups.yahoo.com/group/robotcluboftraversecitymi/
http://www.controleng.com/index.asp?layout=blog&blog_id=1180000318
AMERICAN INDUSTRIAL MAGIC, LLC
Racing to build technology that saves soldier's lives.
390 4-Mile Rd. S.
Traverse City, MI 49686-8411
(231) 946-0187, (231) 883-4463 Cell
pgrayson@aimagic.org
http://aimagic.org
http://tech.groups.yahoo.com/group/robotcluboftraversecitymi/
http://www.controleng.com/index.asp?layout=blog&blog_id=1180000318
Posted by Paul Grayson on January 23, 2008 | Comments (0)
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