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Google's self-driving fleet of robo-Priuses have been cruising around the San Francisco area for months now, logging over 190,000 miles. But until recently, the technology behind the autonomous cars had been kept secret. Last month, Sebastian Thrun, a Stanford professor and head of the project, and Google engineer Chris Urmson, delivered a keynote speech at the IEEE International Conference on Intelligent Robots and Systems in San Francisco, explaining how the car works.
The "heart of the system" is its Velodyne 64-beam laser that sits on the roof of the Prius, creating the 3-D map of the surrounding environment. This 3-D image is combined with existing high resolution maps programmed into the car. Four radars (one for the front, back, left and right) are used to give the car far-sighted vision for handling high speeds on freeways. There's also a camera near the rear view mirror for monitoring stop lights. GPS, an inertial measurement unit, and wheel encoder keep track of where the car goes.
www.popsci.com
The "heart of the system" is its Velodyne 64-beam laser that sits on the roof of the Prius, creating the 3-D map of the surrounding environment. This 3-D image is combined with existing high resolution maps programmed into the car. Four radars (one for the front, back, left and right) are used to give the car far-sighted vision for handling high speeds on freeways. There's also a camera near the rear view mirror for monitoring stop lights. GPS, an inertial measurement unit, and wheel encoder keep track of where the car goes.
Video: Google Finally Explains the Tech Behind Their Autonomous Cars
Google's self-driving fleet of robo-Priuses have been cruising around the San Francisco area for months now, logging over 190,000 miles. But until recently, the technology behind the autonomous cars had been kept secret. Last month, Sebastian Thrun, a Stanford professor and head of the project...
www.popsci.com
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