https://xkcd.com/2841

Alt text:

Speed Limit: 45 MPH / Minimum: 65 MPH

90 points

How to segfault an autonomous vehicle.

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22 points

Someone will at some point try this for sure

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14 points

Actually I’d think handling unclear situations like this would be one of the major things that makes autonomous driving systems so complicated and challenging to develop.

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5 points

You are completely correct. The “happy path” or what to do if everything goes right is fairly straightforward for autonomous cars. It’s when it gets into exceptions or unexpected scenarios like this that it becomes a problem. It’s a car so you can’t just stop it in the middle of the road, but you cant tell it to ignore road signs either

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9 points

I knew printing your own signs would lead to interesting exploits, but this is just next level.

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77 points

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8 points

Putting it into reverse requires you to stop first.

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3 points

i think you could theoretically drift to maintain velocity in a different axis while accelerating in reverse to technically not ever “stop”

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2 points

How would that work?

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22 points

Welcome to Germany

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20 points

I’d just drive off the road to the right. Where I’m going, I don’t need rules. I may need new tires, though…

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9 points

And suspension, shocks, axel, exhaust, undercarriage…

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18 points

You could reverse down the road, or would there be a moment between forwards and backwards when you’re stopped?

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26 points

It’s not a u-turn if you skid into a wicked 540

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6 points

Knight Rider vibes.

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6 points

You have to cross over 0 at some point

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8 points

Stopping isn’t the same as driving at 0 speed.

A car is stopped if and only if its acceleration is also 0.

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4 points

And velocity is 0. Otherwise Johnny 100kmph is technically stopped

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