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It's a narrow beam radar (about 200m range) which checks the current lane is clear, it probably assumed the other parts of the truck were some obstacle on the s
by phire 10y ago
It's a narrow beam radar (about 200m range) which checks the current lane is clear, it probably assumed the other parts of the truck were some obstacle on the side of the road (or in another lane)
I'm not even sure the radar has a height dimension, I suspect they just focused it at bumper height to catch most cars.
The car also has a single camera in the front to see the lane markers, and a short range ultrasonic system to give it a 360 degree view, out to a few meters.
For the amount of confidence drivers are putting into the system, Tesla don't have anywhere enough sensor data.
- gambiting 10y agoIt was explained elsewhere that the radar does not scan "up" to avoid collision warning for overpasses. Actually I remember reading a reddit thread months ago saying that a Tesla in Autopilot could, theoretically, hit a steel beam that was sticking out onto the road at around the roof height, because the radar wouldn't see it. And I absolutely agree with your last sentence - these cars need more sensors.