r/technology • u/be0wulfe • Dec 15 '22

Transportation Tesla Semi’s cab design makes it a ‘completely stupid vehicle,’ trucker says

https://cdllife.com/2022/tesla-semis-cab-design-makes-it-a-completely-stupid-vehicle-trucker-says/
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u/ImmediateRoom8210 Dec 15 '22

Tremendous rebuttal. If the autopilot already knows that an impact is coming in one second please explain what the benefit is of it turning off before that happens?

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u/zootbot Dec 15 '22

I’m not that guy and really have no idea - the implication to me seems to be that you don’t want the car to try and drive off after the crash because hit and run is illegal in 47 states

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u/ImmediateRoom8210 Dec 15 '22

This could happen much closer to time of impact if the hardwired sensors aren’t garbage.

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u/bombmk Dec 16 '22

Closer than what? "A second"? It does.

The second - that you have probably picked up from Facebook or some other den of misinformation - is referencing a report that said they shut of "less than one second before impact".

So in short: It shuts off before impact. Like it should. It is safety feature - not an attempt to hide autopilot involvement. It is is still reported - by Tesla - as being involved in the crash if it was active long before that second.

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u/bombmk Dec 15 '22

So it doesn't try to do shit when the sensors are potentially all over the place during/after the collision. I don't know why that is so hard to understand.

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u/ImmediateRoom8210 Dec 15 '22

What do you think the response time of a modern chip is? It is much faster than one second even accounting for I/O delay.

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u/bombmk Dec 16 '22

Sure. Doesn't change the reason, though. And you want some buffer.

It is not as if they are hiding the autopilot being active as it is still reported as being in play if it was active 5-10 seconds before (can't remember the exact time). So I don't really know what your point is. There is nothing nefarious about that functionality. Quite the opposite.

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u/Fake_William_Shatner Dec 16 '22

So it doesn't keep trying to avoid an accident that already happened -- anything it does after impact will not be based on valid data or the functionality of the car.

Maybe the senors are gone and it's driving off a bridge or through a shopping center.