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With hopping robot, MIT shoots for the moon

8/20/2010 06:15 PM EDT
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vivekv80
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re: With hopping robot, MIT shoots for the moon
vivekv80   8/24/2010 7:13:44 PM
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interesting concept. I wonder if Boston Dynamics is partnering with anyone for their robots. Here’s BigDog video: http://www.youtube.com/watch?v=b2bExqhhWRI

Sanjib.A
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re: With hopping robot, MIT shoots for the moon
Sanjib.A   8/22/2010 5:34:13 AM
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The concept of hopping is really a great idea MIT-Draper came out with. I believe the team already has the potential terrain related problems in their mind as some of our friends pointed out and they will work though those hurdles including the issue of reloading compressed nitrogen. I would wait to see how their presentation in Astronautics Space 2010 conference goes. I would also like to know how the other teams doing? any interesting ideas from any of the other teams participated in this competetion?

DrQuine
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re: With hopping robot, MIT shoots for the moon
DrQuine   8/21/2010 9:23:38 PM
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I'd think that another consideration to address is the possibility that blasting downwards would blow out the light sand, deepen the hole, and allow the lander to settle even deeper in the hole. Efforts to gently "hop" out might make the problem worse.

prabhakar_deosthali
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re: With hopping robot, MIT shoots for the moon
prabhakar_deosthali   8/21/2010 11:42:12 AM
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What I would do instead of proving the hopping capability is to add may be a balloon ( like an air-bag) which gets filled with appropriate gas to lift the robot in air ( or whatever media moon or mars have) take it away from the spot where it got stuck and lower it back to the ground by again flattening the balloons. Any takers MIT?

Dave.Dykstra
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re: With hopping robot, MIT shoots for the moon
Dave.Dykstra   8/21/2010 5:52:02 AM
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This is an interesting concept. At the least, it seems that we have some folks "thinking out of the box". I have to agree with some of the other comments that there are a number of unanswered questions here. It is possible those have been considered and answers will be forthcoming, or possibly they still need to be asked and worked into the concept. Either way, this is an interesting concept and looks like a promising starting point - maybe a vehicle combining techniques such as a roller with hopping capabilities that could be brought into play when appropriate would be a solution.

VincePG
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re: With hopping robot, MIT shoots for the moon
VincePG   8/21/2010 5:28:39 AM
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How is that going to work? The rover sank into the sand because the sand is soft. A 110lbs robot that hops will have the same problem, won't it? In soft sand how effective will compressed air(nitorgen) be in pushing off a soft surface. What happens if it hops off a cliff? I'm interested in understanding how this works. The rover moves slowly because the communications is over great distance. Once the hopper is launched how is it controlled? What if it lands on a big rock?

Luis Sanchez
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re: With hopping robot, MIT shoots for the moon
Luis Sanchez   8/20/2010 9:35:33 PM
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That demonstration will definitely be a one to see. YouTube will be filled with it. Who would’ve gests that a jumping rover would be most adequate for exploration. That grass-hopper like vehicle will certainly be a spectacular one, imagine a 20 meter height jump of a vehicle the size of a child’s toy car!!! Can’t wait for that!!!

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