Why do robots use Linux?

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Subject Author Date
Why do robots use Linux? Sam Nickaby 08-31-2005
Posted by Sam Nickaby on August 31, 2005, 9:24 am
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I'm deciding which is the best operating system to choose to
run my robot using 802.11 wi-fi technology. I've seen a few security
robots running on Windows costing about the same price as those
running on Linux. And seen many robots run on Linux and perform
just as well, such as the IRobot. Why do robot makers prefer Linux
over windows?

Thanks




Posted by user on August 31, 2005, 9:29 am
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> I'm deciding which is the best operating system to choose to
> run my robot using 802.11 wi-fi technology. I've seen a few security
> robots running on Windows costing about the same price as those
> running on Linux. And seen many robots run on Linux and perform
> just as well, such as the IRobot. Why do robot makers prefer Linux
> over windows?
>

Well, just compare the cost to license Windows, as opposed to Linux.

Then look at the ( dozens? ) of embedded platforms that Linux
runs on, compared to Windows/CE/Mobile/etc.

The choice is obvious. ;-)

- Rich


Posted by Tim Auton on August 31, 2005, 11:26 am
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>I'm deciding which is the best operating system to choose to
>run my robot using 802.11 wi-fi technology. I've seen a few security
>robots running on Windows costing about the same price as those
>running on Linux. And seen many robots run on Linux and perform
>just as well, such as the IRobot. Why do robot makers prefer Linux
>over windows?

You can't beat the price, especially if you want real-time scheduling
(yet more $$$ on top of Windows). Robots don't generally need a
familiar GUI or to be able to run Office 2009 and Half-Life 5, so the
compatibility argument is pretty weak too.

Why /would/ you want to run your robot on Windows?


Tim
--
You are being watched. This gives you power.

Posted by Padu on September 1, 2005, 3:05 pm
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"Tim Auton" wrote

>
> Why /would/ you want to run your robot on Windows?
>

Since it is implied that we are talking about some kind of embedded linux, I
will talk about windows xp embedded:

1 - Because it is a more productive environment (if you are used to windows)
2 - Because there are far more market support for windows
3 - Usually it is easier to setup new hardware on windows

There is a paper somewhere on the web that compares true costs of
implementing linux embedded and windows xp embedded. According to that
study, it is cheaper to deploy winxpe than linux.

So, my final take is:

If you are a hobbyst and much more familiar to linux than windows, then go
with linux.
If you are a company and intends to deploy a commercial device, I'd go with
winxpe

Cheers

Padu



Posted by Cthulhu on September 1, 2005, 6:10 pm
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> 1 - Because it is a more productive environment (if you are used to windows)

A productive enviroment is were one can produce with ease and at low
cost. Maybe with fun. In my experience, Windows is not. But I agree with
you, if you are abused^H^H^H^H^H^Hused with Microsoft APIs and its
grapical cage (ops, IDE, I mean), than you'll save a lot of time than
trying to understand different worlds.

> 2 - Because there are far more market support for windows

What that should mean? I suppose people would buy robots being based on
they ability to their job, rather that on what OS they run.

Oh, unless you are talking about that Microsoft Mafia that you can find
around PC sellers...

> 3 - Usually it is easier to setup new hardware on windows

Oh, yes, and it also easier to let its crappy driver crash the whole OS.
However, I don't think this strictly applies to robotics. Or XPe has
driver for R/C servo and IR sensors?

> There is a paper somewhere on the web that compares true costs of
> implementing linux embedded and windows xp embedded. According to that
> study, it is cheaper to deploy winxpe than linux.

Fascinating. Now I wonder, who wrote that paper?

> If you are a company and intends to deploy a commercial device, I'd go with
> winxpe

Then, when next Win XPe worm will spread world wide, I hope I have as
less as possible of that commercial devices around me.

        temutamente,
         Cthulhu

--

http://www.rlyeh.it/Rantolii/


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