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My new robot dttworld@aol.com 09-14-2007
| `--> Re: My new robot dttworld@aol.co...09-14-2007
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Posted by dttworld@aol.com on September 14, 2007, 11:28 am
http://www.instructables.com/id/EJQOKWXF6B7Q1AZ/

I'm surprised by how good looking it turned out. Amazing what a
combination of aluminum and plastic can look like.

Danh


Posted by Joe Strout on September 14, 2007, 1:40 pm

> http://www.instructables.com/id/EJQOKWXF6B7Q1AZ/
>
> I'm surprised by how good looking it turned out. Amazing what a
> combination of aluminum and plastic can look like.

Yeah, that's a really nice job. Great work!

That iRobot Create platform looks nice. I've beet futzing around on and
off for months trying to make a platform for a round droid-style robot.
I have the motors, I'm just lousy at making frames and mountings and
couplings and whatnot. Maybe I should just get a Create and have done
with it (though I'd have to scale back my ambitions a bit, as I don't
think it could carry everything I had in mind).

Cheers,
- Joe

--
"Polywell" fusion -- an approach to nuclear fusion that might actually work.
Learn more and discuss via: <http://www.strout.net/info/science/polywell/>

Posted by dttworld@aol.com on September 14, 2007, 2:13 pm
> >http://www.instructables.com/id/EJQOKWXF6B7Q1AZ/
> > I'm surprised by how good looking it turned out. Amazing what a
> > combination of aluminum and plastic can look like.
> Yeah, that's a really nice job. Great work!
> That iRobot Create platform looks nice. I've beet futzing around on and
> off for months trying to make a platform for a round droid-style robot.
> I have the motors, I'm just lousy at making frames and mountings and
> couplings and whatnot. Maybe I should just get a Create and have done
> with it (though I'd have to scale back my ambitions a bit, as I don't
> think it could carry everything I had in mind).
> Cheers,
> - Joe
> --
> "Polywell" fusion -- an approach to nuclear fusion that might actually work.
> Learn more and discuss via: <http://www.strout.net/info/science/polywell/>

The CREATE was a good starting point but I plan on building a more
capable robot on a bigger mobile base. In fact, I can remove most of
the robot from the CREATE base and transplant it onto a larger base
because it's only held on by 4 hex spacers.


Posted by CoyoteBoy on September 14, 2007, 4:20 pm
> http://www.instructables.com/id/EJQOKWXF6B7Q1AZ/
> I'm surprised by how good looking it turned out. Amazing what a
> combination of aluminum and plastic can look like.
> Danh

Thats a great bit of kit, well done!

Can i ask a few questions:

Did you write the image processing software? Does it know how far it
is from the object by recognising the object and knowing both the
absolute position of itself and the plant in the room, or is it
determining the position relative to itself via that vision software
alone? Can it determine at what angle it approaches the plant?
What OS / hardware is the robot running onboard, does it pipe the
imaging info back to the laptop for control and identification or does
it have on-board image processing and you are just observing?


Posted by dttworld@aol.com on September 14, 2007, 5:50 pm
> >http://www.instructables.com/id/EJQOKWXF6B7Q1AZ/
> > I'm surprised by how good looking it turned out. Amazing what a
> > combination of aluminum and plastic can look like.
> > Danh
> Thats a great bit of kit, well done!
> Can i ask a few questions:
> Did you write the image processing software? Does it know how far it
> is from the object by recognising the object and knowing both the
> absolute position of itself and the plant in the room, or is it
> determining the position relative to itself via that vision software
> alone? Can it determine at what angle it approaches the plant?
> What OS / hardware is the robot running onboard, does it pipe the
> imaging info back to the laptop for control and identification or does
> it have on-board image processing and you are just observing?


The image processing software came with my ER-1 robot kit from
Evolution Robotics. The software has a telnet hook that allows other
apps to get the image data such as recogized object, distance, x-y
position and confidence level. It is based on something called the
Sift algorithm and can recogize objects independent of orientation and
distance. Unfortunately, it was patented but you can find
implementations on the web that I guess would be ok to use for
experimental purposes.

All of the code runs on board the robot. I am using WinXP and my own
code written in Visual Basic 6.0. I can control my interface remotely
by using video conferencing software (Microsoft Netmeeting). I made
this project for an iRobot contest and I was under a lot of time
pressure. Many of the things I did from a software standpoint weren't
elegant but good enough for proof of concept.

Next step is to port things over to vb.net and OpenCV. I'm going to
work on code to make the robot semi autonomous - SLAM and obstacle
avoidance. I was also looking at Linux but it's a huge learning curve
for me compared to Windows.

I


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