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Model 3 and S failed automatic braking system stress test

Discussion in 'Model 3' started by kingbugca, Aug 7, 2018.

  1. mekberg

    mekberg Member

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    This. Yet I get all the disagrees for calling the Business Insider article FUD (pretty much all BI articles are regarding Tesla).
     
  2. NerdUno

    NerdUno Member

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    So... Tesla's gonna call it Automatic Emergency Braking but their version doesn't brake much less stop for walls or fire trucks. Kinda like AutoPilot as long as your hands are on the wheel and your car doesn't see something it likes better than the road. Makes perfect sense.
     
    • Disagree x 1
    • Funny x 1
  3. Runt8

    Runt8 Active Member

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    Very tiny items can have very large radar returns, and vice versa - it’s dependent on surface angles relative to the antenna and receiver, not necessarily by the size of the object. It’s solvable by using multiple sensing types and cross referencing results. Tesla is focusing on object recognition using cameras, which is one of the more difficult ways of solving the problem. Other companies are using LIDAR, which gives a very nice 3D view of the world around the vehicle but doesn’t work well in inclement weather.
     
    • Helpful x 1
  4. mongo

    mongo Well-Known Member

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    Did you read the Model 3 results versus the older Model S???
     
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  5. chronopc

    chronopc Active Member

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    If AEB could really kick in and prevent a crash, why do so many cars with AEB still rear end other cars?
     
  6. StellarRat

    StellarRat Active Member

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    You're right about making out shapes, but the tech to actually create visual representations of objects by radar has been around since at least the late 60's. I worked on a plane that could create very accurate radar maps of terrain. Everything was stripped away but metal and dirt objects. Good for finding vehicles hiding the in jungle! Maybe that tech is not possible in a car yet.
     
    • Informative x 1
  7. ℬête Noire

    ℬête Noire Active Member

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    #67 ℬête Noire, Aug 8, 2018
    Last edited: Aug 8, 2018
    There's some technical limits (linked to the band you operate in) centered around power source, size, and cost. Also, again, the distances in a plane are a huge advantage, because you have time for multiple sweeps to accumulate data to help pull the signal out of the noise.

    Stripping out non-metal objects is a bit dicy. Sure you don't have deer or pedestrians to worry about when flying a plane but.....
     

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