Audi self-driving unit taps newcomer Aeva for its unique lidar

TechCrunch | 4/17/2019 | Staff
spiderMonkey (Posted by) Level 3
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Audi’s self-driving unit has tapped a startup with a unique approach to lidar as it ramps up testing in Munich using a fleet of autonomous electric e-tron crossover vehicles.

Audi subsidiary Autonomous Intelligent Driving, or AID, said Wednesday it’s using lidar sensors developed by Aeva, a startup founded just two years ago by veterans of Apple and Nikon.

Aeva - Mountain - View - Calif - Company

Aeva, a Mountain View, Calif.,-based company started by Soroush Salehian, and Mina Rezk, have developed what they describe as “4D lidar” that can measure distance as well as instant velocity without losing range and all while preventing interference from the sun or other sensors. Move past the 4D branding-speak, and the tech is compelling.

Lidar, or light detection and ranging radar, measures distance. It’s considered by many (with Tesla as one exception) in the emerging automated driving industry as a critical and necessary sensor. And for years, that industry has been dominated by Velodyne.

Today - Dozens - Lidar - Startups - Promises

Today, there are dozens of lidar startups that have popped up with promises of technological breakthroughs that will offer lower cost sensors with better resolution and accuracy than Velodyne. It’s a promise that is fraught with challenges, notably the ability to scale up manufacturing.

Traditional lidar sensors are able to determine distance by sending out high-power pulses of light outside the visible spectrum and then tracking how long it takes for each of those pulses to return. As they come back, the direction of, and distance to, whatever that pulse hits are recorded as a point and eventually forms a 3D map.

Aeva - Sensors - Power - Laser - Velocity

Aeva’s sensors emit a continuous low power laser, which allows them to sense instant velocity of every point in the frame at ranges up to 300 meters, the company says. In other words, Aeva’s...
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