NASA's Johnson Space Center built this fully electric Modular Robotic Vehicle (MRV) in order to advance technologies that have applications for future vehicles both in space and on Earth. It has no mechanical linkages to the propulsion, steering, or brake actuators, so the driver (it can also be driven remotely) relies on control inputs being converted to electrical signals transmitted by wire to the vehicle’s four liquid-cooled motors (one on each wheel). Each wheel can also rotate ±180...
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