As we wrote in a feature published last month, Carnegie Mellon University’s NavLab, vintage 1986, was one of the first cars ever that was designed to be controlled by a computer. It featured an early version of lidar functioning as the vehicle’s eyes—the same way most autonomous and semi-autonomous cars see their environment today. Inside, the place looked like an FBI surveillance van, filled with computers doing everything from watching the road to controlling the air conditioning unit.
Google’s autonomous cars, Tesla’s Autopilot-driven luxury vehicles, and Uber’s self-driving taxis show how far the technology has come since the days of NavLab. The slick sensor packages and endless stream of press coverage can make it seem like widespread adoption of self-driving cars is imminent.
But as our own Will Knight found when he spoke to William “Red” Whittaker, one of the creators of NavLab and a legend in the field of autonomous driving, there’s still a long way to go yet:
Whittaker says Uber’s new service doesn’t mean the technology is perfected. “Of course it isn’t solved,” he says. “The kinds of things that aren’t solved are the edge cases.”
And there are plenty of edge cases to contend with, including sensors being blinded or impaired by bad weather, bright sunlight, or obstructions. Then there are the inevitable software and hardware failures. But more important, the edge cases involve dealing with the unknown. You can’t program a car for every imaginable situation, so at some stage, you have to trust that it will cope with just about anything that’s thrown at it, using whatever intelligence it has. And it’s hard to be confident about that, especially when even the smallest misunderstanding, like mistaking a paper bag for a large rock, could lead a car to do something unnecessarily dangerous.
Here’s hoping that doesn’t mean we have to wait another 30 years for the autonomous car revolution to arrive.
(Read more: Motherboard, “What to Know Before You Get In a Self-Driving Car,” “Otto’s Self-Driving 18-Wheeler Has Made Its First Delivery,” “Tesla Announces New Sensors and Puts the Brakes on Autopilot”)
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