Comment on NASA lost contact with its Mars helicopter

Kitten_Mittens@lemmy.world ⁨1⁩ ⁨year⁩ ago

• user224@lemmy.sdf.org ⁨1⁩ ⁨year⁩ ago

  Especially considering the use of off-the-shelf Snapdragon 801.

  There’s some nice discussion about Ingenuity here: news.ycombinator.com/item?id=26177619

  …This processor will have not flips on Mars, possibly up to every few minutes. Their solution is to hold two copies of memory and double check operations as much as possible, and if any difference is detected they simply reboot. Ingenuity will start to fall out of the sky, but it can go through a full reboot and come back online in a few hundred milliseconds to continue flying.
  -jhurliman

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  • httpjames@sh.itjust.works ⁨1⁩ ⁨year⁩ ago

    Reboot mid flight is a funny solution

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    • MossyFeathers@pawb.social ⁨1⁩ ⁨year⁩ ago

      Imagine telling an airline pilot to just reboot the whole plane if something goes wrong.

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      • Rhaedas@kbin.social ⁨1⁩ ⁨year⁩ ago

        During a flight is a bit much, but some aircraft have a reboot between flights as a standard procedure to fix glitches that would happen if the plane was left on for the entire time.

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• rockSlayer@lemmy.world ⁨1⁩ ⁨year⁩ ago

  NASA’s rovers have been kicking ass for the last few decades. Truly a testament to how great their engineering teams are

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• modifier@lemmy.ca ⁨1⁩ ⁨year⁩ ago

  Definitely exceeded my expectations.

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  • FlyingSquid@lemmy.world ⁨1⁩ ⁨year⁩ ago

    I think it exceeded everyone’s expectations. I know I’m pretty astounded. I didn’t realize it had been three years!

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• dan1101@lemm.ee ⁨1⁩ ⁨year⁩ ago

  I was amazed it could fly at all in the thin atmosphere of Mars.

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  • Toine@sh.itjust.works ⁨1⁩ ⁨year⁩ ago

    I believe they took this into account when they designed the thing.

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