No driver needed for this car, WTF?
May 10th, 2012 | By love not hate
Google’s self-driving car got its license this week as the state of Nevada became the first in the nation to license the company’s vehicles.
And while a computer-driven car may seem unsettling, the technology represents a potential leap forward in auto safety.
Computer driven cars could reduce traffic deaths by a very significant degree, said David Champion, head of auto testing at Consumer Reports, but only if all cars are computer-driven.
“I think if all the cars were self-driving, it would be a benefit,” he said. “I think a mixture would be a bit chaotic.”
That’s because humans are better at predicting the behavior of other humans than computers could ever be, he said.
“When I’m approaching an intersection, I look to see of the other driver is looking at me,” said Champion. “If he’s looking somewhere else and inching forward, I’m going to lift off the gas.”
For the foreseeable future, human “drivers” will continue to bear the ultimate responsibility even in Google’ (GOOG, Fortune 500)s self-driving cars. This means you won’t be able to lounge in the back seat and check email on your way to work. You’ll still have to sit in the driver’s seat and pay attention.
Self-driving cars, like Google’s, use sensors to watch cars, pedestrians and other obstacles. They combine a number of technologies that are already available on cars today — including GPS tracking, wheel motion sensors and radar — with additional technology and sophisticated software that allow the car to read street signs and signals and actually drive itself through traffic.
Google’s cars, modified Toyota Priuses, are still in the testing stages and aren’t available to the public. But some so-called “driver assistance” technologies are already helping to lower traffic deaths in cars you can buy now.
Electronic Stability Control which uses computers to help drivers maintain control during abrupt maneuvers, has been shown to reduce fatal crashes by as much as a third.
ESC is now required on all new cars but was first used, on a wide scale, on SUVs. That’s why, last year, statistics showed top-heavy SUVs to be less prone to roll over in real-world crashes than regular cars.
Beyond that, there are various other “driver assistance” technologies.
Blind spot alerts warn drivers of cars in adjacent lanes and forward collision alerts sound an alarm when a driver is closing in too quickly on a car ahead.
“We’ll start seeing more features that will migrate from just these alerts and warnings to taking a little more control,” said John Capp, director of active safety technology at General Motors (GM, Fortune 500).
GM’s new Cadillac XTS, for instance, will brake automatically if a driver fails to respond to an imminent collision. Nissan’s (NSANY) Infiniti division has a several models that provide slight braking to nudge a vehicle back into its lane if it begins to drift out.
Many luxury cars are now also available with “active cruise control” that allows a car driving at highway cruising speeds to automatically maintain a safe following distance behind the car ahead. In some models, these systems can work even in stop-and-go city traffic.
Systems like these could be helpful, said Champion, but also present the possibility of over-reliance or abuse.
“It all comes down to the person behind the wheel using the system,” he said.
Sometimes these systems can cause confusion. For instance, some reports of unintended acceleration in Toyota cars were triggered by drivers failing to understand how an “active cruise control” system worked.
With these systems, drivers set the active cruise control to a certain speed. If there’s a slower car ahead, the cruise control will automatically slow the vehicle down to maintain a safe distance between the two cars. Once the slower car moves away, active cruise control will accelerate to the higher preset speed. This acceleration can be startling to drivers unfamiliar with the system.
There is at least some evidence, however, that “driver assistance technologies” do work. A recent study by the Highway Loss Data Institute, an insurance industry group, indicated that the forward collision avoidance system in the Volvo XC60 helped reduced accident claims by 27%. Volvo’s system warns the driver of an impending collision and applies the brakes if the driver takes no action.
One technology the Google car doesn’t utilize, but which would help make self-driving cars much more effective, Champion said, is vehicle-to-vehicle communication. So called V2V communication uses transmitters to send and receive signals that tell other cars where each car is, where it’s headed and how fast it’s moving. The devices can also communicate with transmitters along the road.
V2V is already in advanced stages of development by a consortium of automakers and the federal government’s National Highway Traffic Safety Administration
Sofa on wheels? A model drives a Toyota i-REAL during the 2012 Beijing International Automotive Exhibition
Green machine? A model stands beside a drop-top electrically powered version of the VW Beetle
A model of Japanese comic book hero Astro Boy model stands near a Toyota V2 car
More than 2,000 automotive enterprises from 14 countries and regions participated in the 2012 Beijing International Automotive Exhibition
An MG Icon car is on display – more than 2,000 companies attended the car show
Made in China: A model stands beside a GreatWall SUV made in the country
A visitor sits beside the MG6 BTCC cars
A model tries out the Haval E concept car
A Roewe 950 car at the 2012 Beijing International Automotive Exhibition at China International Exhibition Center on April 29, 2012 in Beijing, China
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