Print 3 comment(s) - last by Paj.. on Jan 8 at 6:24 PM

It's based on the Lexus LS

Toyota and Lexus introduced a new advanced active safety research vehicle based on the Lexus LS at the Consumer Electronics Show in Las Vegas.

The new vehicle uses an array of safety features, such as a 360-degree LIDAR laser on the roof to detect objects up to 70 meters; radars on the front and sides to measure the location and speed of surrounding objects; a distance measurement indicator for travel distance and speed of the vehicle; an inertial measurements unit for vehicle behavior like acceleration and angle changes; three high-definition color cameras for traffic detection as far as 150 meters away, and GPS antennas for estimated angle before the vehicle moves.

These features follow each step of the driving process, from the initial parked position to the end of a destination. The system is designed to help avoid crashes, and in the event of a crash, rescue and response is called to help.

[Image Source: Brandon Hill/DailyTech]
“In our pursuit of developing more advanced automated technologies, we believe the driver must be fully engaged,” said Mark Templin, Toyota group vice president and general manger of the Lexus Division.“For Toyota and Lexus, a driverless car is just a part of the story. Our vision is a car equipped with an intelligent, always-attentive co-pilot whose skills contribute to safer driving.”

Toyota is working toward an Intelligent Transportation System (ITS), which will allow vehicles to alarm drivers and prevent impending collisions at intersections, vehicles changing lanes and rear collisions through vehicle-to-vehicle and vehicle-to-infrastructure communications.

Source: Lexus

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By Paj on 1/8/2013 8:25:28 AM , Rating: 2
Lidar is cool in terms of what it can do (ie self driving cars), but if it requires that big doodad on top of every roof, I doubt it will take off anytime soon.

I guess it needs line of sight in order to work though. Could they not achieve the same results using radar, or another technology?

RE: Lidar
By daboom06 on 1/8/2013 2:36:02 PM , Rating: 3
radar, while able to penetrate certain materials and therefor be hidden inside the car, has crappy spacial resolution.

i bet they can just install four lidars on the perimeter of the car that would then be able to be mounted flush to the surfaces.

RE: Lidar
By Paj on 1/8/2013 6:24:51 PM , Rating: 2
radar, while able to penetrate certain materials and therefor be hidden inside the car, has crappy spacial resolution.

Interesting - is that because it has a very long wavelength (based on my limited knowledge of radar)?

If so, would I be correct in saying that it's a trade off between spatial resolution and the ability to penetrate materials? Is there another form of EM radiation with a frequency that provides a good balance between the two?

The lidar in the doors is a good idea. You could put then in the front and back of the car too, then each could sweep back and forth to create an image of the surroundings. Might be some blind spots though.

"There is a single light of science, and to brighten it anywhere is to brighten it everywhere." -- Isaac Asimov

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