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'Self-aware' space rovers would be speedy explorers

点击量:   时间:2017-08-10 06:01:07

GIVE a robot a sense of itself and it should be able to move across distant planets more speedily than today’s snail-paced rovers. NASA’s Spirit and Opportunity, for example, are still stuck in the slow lane as they trundle round Mars. Every 10 seconds of motion has to be followed by 20 seconds at rest to scan the area ahead for hazards. Now Josh Bongard of the University of Vermont, Burlington,