Thursday, July 24, 2014

Robopocalypse of the Sea! Wave Glider Easily Weathers Typhoon Rammasun


It was a storm that would terrify the bravest of mariners, but a California robot swam through it without blinking.

The Wave Glider robot has weathered a direct onslaught by Typhoon Rammasun, battling 9-meter waves and gusts up to 216 kilometers per hour while gathering data on sea surface conditions, maker Liquid Robotics said Tuesday.

The surface robot, which slowly bobs through ocean waves at about walking speed, was remotely piloted through the storm on the South China Sea. The robot has a propulsion system that uses the motion of waves to move it forward.

Rammasun, the strongest typhoon to batter the region in decades, has left over 150 people dead in the Philippines, Vietnam and China, as well as hundreds of millions of U.S. dollars in damage. Typhoons, hurricanes and cyclones refer to the same kind of ocean storm depending on its location in the Pacific, Atlantic or Indian oceans.

"To our knowledge, this is the most powerful storm that a Wave Glider or any other sea robotic system has weathered successfully at the sea surface," Graham Hine, senior vice president at Sunnyvale-based Liquid Robotics, said in an interview.

"Interestingly, the telemetry shows no degradation of the system, so all of the sensing systems and vehicle performance seem to be nominal."

The robot in question will be recovered in about a week and was deployed for a corporate customer of Liquid Robotics, which has over 250 Wave Gliders deployed around the world.

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