this post was submitted on 22 Oct 2024
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[Dormant] Electric Vehicles

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Tesla Bet On 'Pure Vision' For Self-Driving. That's Why It's In Hot Water (insideevs.com)
submitted 3 weeks ago by [email protected] to c/[email protected]
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A fan of Tesla might think that the automaker just can't catch a break when it comes to its autonomous driving tech. It’s already subject to several federal investigations over its marketing and deployment of technologies like Autopilot and Full Self-Driving (FSD), and as of last week, we can add another to the list involving around 2.4 million Tesla vehicles. This time, regulators are assessing the cars' performance in low-visibility conditions after four documented accidents, one of which resulted in a fatality.

The National Highway Traffic Safety Administration (NHTSA) says this new probe is looking at instances when FSD was engaged when it was foggy or a lot of dust was in the air, or even when glare from the sun blinded the car’s cameras and this caused a problem.

What the car can "see" is the big issue here. It's also what Tesla bet its future on.

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[–] [email protected] -1 points 3 weeks ago (1 children)

The problem was the different sensors could sometimes disagree. Like, vision sees an obstacle but radar isn't picking it up...which one does the software believe?

And if you think vision has problems with things like rain and fog, try radar or lidar!

Not mentioning the downsides of the other sensors always makes me suspicious of an article.

The key point of going vision-only is that: its what humans do every day. Articles that leave that out also disappoint me.

[–] [email protected] 1 points 3 weeks ago

It's called consensus. Have three sensors and each get a vote. Typically these sensors are the same and thus can detect a failure or incorrect reading of one. This idea is used in IT around data backups and RAID configurations as well as aviation. And .. I personally would just favor the radar. If vision says go and radar says stop... stop and avoid hitting that firetruck parked on the highway. Or that motorcyclist. Or any other bizarre vision-only, fatal crashes that this system has wrought.

Also humans can hear things. So, not just vision.